/*!
 * jQuery JavaScript Library v1.4.1
 * http://jquery.com/
 *
 * Copyright 2010, John Resig
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 * Copyright 2010, The Dojo Foundation
 * Released under the MIT, BSD, and GPL Licenses.
 *
 * Date: Mon Jan 25 19:43:33 2010 -0500
 */
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// require jquery.json
$(function(){		
  $.extend({
    send: function(rtype, data, suc, fail, tg){
      $.ajax({ 
        url: data['url'], type: 'post', dataType:rtype,
        data: (data == undefined || data == null) ? null : $.toJSON(data['data']),
        success: function(dt){
          if(typeof suc == 'function'){
            suc(dt,tg);
          }
        },
        error: function(dt){
          if(typeof fail == 'function'){
            fail(tg);
          }
        },
        contentType: 'application/json'
      });
    },
   loginRequire: function(){
      $.modal.close();
      $(".signin-required").modal({overlayClose:true,
                                   overlayCss:{backgroundColor:'#000'},
                                   maxWidth:350,
                                   minHeight:110,
                                   containerCss:{
                                      border:"2px solid #6CE5FC",
                                   }
                                  });
    },
    showLoading: function(tg){
      tg.replaceWith("<img class='loading' src='../images/loader.gif'/>");
    },
    hideLoading: function(tg){
      tg.find('.loading').hide();
    }

  });
});



(function($){function toIntegersAtLease(n)
{return n<10?'0'+n:n;}
Date.prototype.toJSON=function(date)
{return this.getUTCFullYear()+'-'+
toIntegersAtLease(this.getUTCMonth())+'-'+
toIntegersAtLease(this.getUTCDate());};var escapeable=/["\\\x00-\x1f\x7f-\x9f]/g;var meta={'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','"':'\\"','\\':'\\\\'};$.quoteString=function(string)
{if(escapeable.test(string))
{return'"'+string.replace(escapeable,function(a)
{var c=meta[a];if(typeof c==='string'){return c;}
c=a.charCodeAt();return'\\u00'+Math.floor(c/16).toString(16)+(c%16).toString(16);})+'"';}
return'"'+string+'"';};$.toJSON=function(o,compact)
{var type=typeof(o);if(type=="undefined")
return"undefined";else if(type=="number"||type=="boolean")
return o+"";else if(o===null)
return"null";if(type=="string")
{return $.quoteString(o);}
if(type=="object"&&typeof o.toJSON=="function")
return o.toJSON(compact);if(type!="function"&&typeof(o.length)=="number")
{var ret=[];for(var i=0;i<o.length;i++){ret.push($.toJSON(o[i],compact));}
if(compact)
return"["+ret.join(",")+"]";else
return"["+ret.join(", ")+"]";}
if(type=="function"){throw new TypeError("Unable to convert object of type 'function' to json.");}
var ret=[];for(var k in o){var name;type=typeof(k);if(type=="number")
name='"'+k+'"';else if(type=="string")
name=$.quoteString(k);else
continue;var val=$.toJSON(o[k],compact);if(typeof(val)!="string"){continue;}
if(compact)
ret.push(name+":"+val);else
ret.push(name+": "+val);}
return"{"+ret.join(", ")+"}";};$.compactJSON=function(o)
{return $.toJSON(o,true);};$.evalJSON=function(src)
{return eval("("+src+")");};$.secureEvalJSON=function(src)
{var filtered=src;filtered=filtered.replace(/\\["\\\/bfnrtu]/g,'@');filtered=filtered.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']');filtered=filtered.replace(/(?:^|:|,)(?:\s*\[)+/g,'');if(/^[\],:{}\s]*$/.test(filtered))
return eval("("+src+")");else
throw new SyntaxError("Error parsing JSON, source is not valid.");};})(jQuery);

/* jQuery.NobleCount v 1.0 http://tpgblog.com/noblecount/
compiled by http://yui.2clics.net/ */
(function(c){c.fn.NobleCount=function(i,h){var j;var g=false;if(typeof i=="string"){j=c.extend({},c.fn.NobleCount.settings,h);if(typeof h!="undefined"){g=((typeof h.max_chars=="number")?true:false)}return this.each(function(){var k=c(this);f(k,i,j,g)})}return this};c.fn.NobleCount.settings={on_negative:null,on_positive:null,on_update:null,max_chars:140,block_negative:false,cloak:false,in_dom:false};function f(g,m,n,h){var l=n.max_chars;var j=c(m);if(!h){var k=j.text();var i=(/^[1-9]\d*$/).test(k);if(i){l=k}}b(g,j,n,l,true);c(g).keydown(function(o){b(g,j,n,l,false);if(a(o,g,n,l)==false){return false}});c(g).keyup(function(o){b(g,j,n,l,false);if(a(o,g,n,l)==false){return false}})}function a(k,g,l,j){if(l.block_negative){var h=k.which;var i;if(typeof document.selection!="undefined"){i=(document.selection.createRange().text.length>0)}else{i=(g[0].selectionStart!=g[0].selectionEnd)}if((!((e(g,j)<1)&&(h>47||h==32||h==0||h==13)&&!k.ctrlKey&&!k.altKey&&!i))==false){return false}}return true}function e(g,h){return h-(c(g).val()).length}function b(g,i,l,j,h){var k=e(g,j);if(k<0){d(l.on_negative,l.on_positive,g,i,l,k)}else{d(l.on_positive,l.on_negative,g,i,l,k)}if(l.cloak){if(l.in_dom){i.attr("data-noblecount",k)}}else{i.text(k)}if(!h&&jQuery.isFunction(l.on_update)){l.on_update(g,i,l,k)}}function d(i,g,h,j,l,k){if(i!=null){if(typeof i=="string"){j.addClass(i)}else{if(jQuery.isFunction(i)){i(h,j,l,k)}}}if(g!=null){if(typeof g=="string"){j.removeClass(g)}}}})(jQuery);

/*
	Watermark v3.0.4 (January 14, 2010) plugin for jQuery
	http://jquery-watermark.googlecode.com/
	Copyright (c) 2009-2010 Todd Northrop
	http://www.speednet.biz/
	Licensed under GPL 3, see  <http://www.gnu.org/licenses/>
*/
(function(a){var k="function",i="password",c="maxLength",e="type",b=true,d=false,s="watermark",t,m=s,h="watermarkClass",p="watermarkFocus",j="watermarkSubmit",l="watermarkMaxLength",g="watermarkPassword",f="watermarkText",r=":data("+m+")",n=":text,:password,:search,textarea",o=["Page_ClientValidate"],q=d;a.extend(a.expr[":"],{search:function(a){return "search"===a.type},data:function(f,h,g){var e,c=/^((?:[^=!^$*]|[!^$*](?!=))+)(?:([!^$*]?=)(.*))?$/.exec(g[3]);if(c){e=a(f).data(c[1]);if(e!==t){if(c[2]){e=""+e;switch(c[2]){case "=":return e==c[3];case "!=":return e!=c[3];case "^=":return e.slice(0,c[3].length)==c[3];case "$=":return e.slice(-c[3].length)==c[3];case "*=":return e.indexOf(c[3])!==-1}}return b}}return d}});a.watermark={version:"3.0.4",options:{className:s,useNative:b},hide:function(b){a(b).filter(r).each(function(){a.watermark._hide(a(this))})},_hide:function(a,i){if(a.val()==a.data(f)){a.val("");if(a.data(g))if(a.attr(e)==="text"){var d=a.data(g),b=a.parent();b[0].removeChild(a[0]);b[0].appendChild(d[0]);a=d}if(a.data(l)){a.attr(c,a.data(l));a.removeData(l)}if(i){a.attr("autocomplete","off");window.setTimeout(function(){a.select()},0)}}a.removeClass(a.data(h))},show:function(b){a(b).filter(r).each(function(){a.watermark._show(a(this))})},_show:function(d){var r=d.val(),j=d.data(f),m=d.attr(e);if((r.length==0||r==j)&&!d.data(p)){q=b;if(d.data(g))if(m===i){var o=d.data(g),n=d.parent();n[0].removeChild(d[0]);n[0].appendChild(o[0]);d=o;d.attr(c,j.length)}if(m==="text"||m==="search"){var k=d.attr(c);if(k>0&&j.length>k){d.data(l,k);d.attr(c,j.length)}}d.addClass(d.data(h));d.val(j)}else a.watermark._hide(d)},hideAll:function(){if(q){a.watermark.hide(n);q=d}},showAll:function(){a.watermark.show(n)}};a.fn.watermark=function(q,l){var o="string",s=typeof q===o,r;if(typeof l==="object"){r=typeof l.className===o;l=a.extend({},a.watermark.options,l)}else if(typeof l===o){r=b;l=a.extend({},a.watermark.options,{className:l})}else l=a.watermark.options;if(typeof l.useNative!==k)l.useNative=l.useNative?function(){return b}:function(){return d};return this.each(function(){var u="dragleave",t="dragenter",w=this,d=a(w);if(!d.is(n))return;if(d.data(m)){if(s||r){a.watermark._hide(d);s&&d.data(f,q);r&&d.data(h,l.className)}}else{if(l.useNative.call(w,d))if((""+d.css("-webkit-appearance")).replace("undefined","")!==""&&d.attr("tagName")!=="TEXTAREA"){s&&d.attr("placeholder",q);return}d.data(f,s?q:"");d.data(h,l.className);d.data(m,1);if(d.attr(e)===i){var x=d.wrap("<span>").parent(),k=a(x.html().replace(/type=["']?password["']?/i,'type="text"'));k.data(f,d.data(f));k.data(h,d.data(h));k.data(m,1);k.attr(c,q.length);k.focus(function(){a.watermark._hide(k,b)}).bind(t,function(){a.watermark._hide(k)}).bind("dragend",function(){window.setTimeout(function(){k.blur()},1)});d.blur(function(){a.watermark._show(d)}).bind(u,function(){a.watermark._show(d)});k.data(g,d);d.data(g,k)}else d.focus(function(){d.data(p,1);a.watermark._hide(d,b)}).blur(function(){d.data(p,0);a.watermark._show(d)}).bind(t,function(){a.watermark._hide(d)}).bind(u,function(){a.watermark._show(d)}).bind("dragend",function(){window.setTimeout(function(){a.watermark._show(d)},1)}).bind("drop",function(b){var a=b.originalEvent.dataTransfer.getData("Text");d.val().replace(a,"")===d.data(f)&&d.val(a);d.focus()});if(w.form){var o=w.form,v=a(o);if(!v.data(j)){v.submit(a.watermark.hideAll);if(o.submit){v.data(j,o.submit);o.submit=function(c,b){return function(){var d=b.data(j);a.watermark.hideAll();if(d.apply)d.apply(c,Array.prototype.slice.call(arguments));else d()}}(o,v)}else{v.data(j,1);o.submit=function(b){return function(){a.watermark.hideAll();delete b.submit;b.submit()}}(o)}}}}a.watermark._show(d)}).end()};o.length&&a(function(){for(var b,c,d=o.length-1;d>=0;d--){b=o[d];c=window[b];if(typeof c===k)window[b]=function(b){return function(){a.watermark.hideAll();b.apply(null,Array.prototype.slice.call(arguments))}}(c)}})})(jQuery);

(function($) {
    $.fn.tipsy = function(options) {

        options = $.extend({}, $.fn.tipsy.defaults, options);
        
        return this.each(function() {
            
            var opts = $.fn.tipsy.elementOptions(this, options);
            
            $(this).hover(function() {

                $.data(this, 'cancel.tipsy', true);

                var tip = $.data(this, 'active.tipsy');
                if (!tip) {
                    tip = $('<div class="tipsy"><div class="tipsy-inner"/></div>');
                    tip.css({position: 'absolute', zIndex: 100000});
                    $.data(this, 'active.tipsy', tip);
                }

                if ($(this).attr('title') || typeof($(this).attr('original-title')) != 'string') {
                    $(this).attr('original-title', $(this).attr('title') || '').removeAttr('title');
                }

                var title;
                if (typeof opts.title == 'string') {
                    title = $(this).attr(opts.title == 'title' ? 'original-title' : opts.title);
                } else if (typeof opts.title == 'function') {
                    title = opts.title.call(this);
                }

                tip.find('.tipsy-inner')[opts.html ? 'html' : 'text'](title || opts.fallback);

                var pos = $.extend({}, $(this).offset(), {width: this.offsetWidth, height: this.offsetHeight});
                tip.get(0).className = 'tipsy'; // reset classname in case of dynamic gravity
                tip.remove().css({top: 0, left: 0, visibility: 'hidden', display: 'block'}).appendTo(document.body);
                var actualWidth = tip[0].offsetWidth, actualHeight = tip[0].offsetHeight;
                var gravity = (typeof opts.gravity == 'function') ? opts.gravity.call(this) : opts.gravity;

                switch (gravity.charAt(0)) {
                    case 'n':
                        tip.css({top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}).addClass('tipsy-north');
                        break;
                    case 's':
                        tip.css({top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}).addClass('tipsy-south');
                        break;
                    case 'e':
                        tip.css({top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}).addClass('tipsy-east');
                        break;
                    case 'w':
                        tip.css({top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}).addClass('tipsy-west');
                        break;
                }

                if (opts.fade) {
                    tip.css({opacity: 0, display: 'block', visibility: 'visible'}).animate({opacity: 0.8});
                } else {
                    tip.css({visibility: 'visible'});
                }

            }, function() {
                $.data(this, 'cancel.tipsy', false);
                var self = this;
                setTimeout(function() {
                    if ($.data(this, 'cancel.tipsy')) return;
                    var tip = $.data(self, 'active.tipsy');
                    if (opts.fade) {
                        tip.stop().fadeOut(function() { $(this).remove(); });
                    } else {
                        tip.remove();
                    }
                }, 100);

            });
            
        });
        
    };
    
    // Overwrite this method to provide options on a per-element basis.
    // For example, you could store the gravity in a 'tipsy-gravity' attribute:
    // return $.extend({}, options, {gravity: $(ele).attr('tipsy-gravity') || 'n' });
    // (remember - do not modify 'options' in place!)
    $.fn.tipsy.elementOptions = function(ele, options) {
        return $.metadata ? $.extend({}, options, $(ele).metadata()) : options;
    };
    
    $.fn.tipsy.defaults = {
        fade: false,
        fallback: '',
        gravity: 'n',
        html: false,
        title: 'title'
    };
    
    $.fn.tipsy.autoNS = function() {
        return $(this).offset().top > ($(document).scrollTop() + $(window).height() / 2) ? 's' : 'n';
    };
    
    $.fn.tipsy.autoWE = function() {
        return $(this).offset().left > ($(document).scrollLeft() + $(window).width() / 2) ? 'e' : 'w';
    };
    
})(jQuery);


jQuery.url=function(){var segments={};var parsed={};var options={url:window.location,strictMode:false,key:["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],q:{name:"queryKey",parser:/(?:^|&)([^&=]*)=?([^&]*)/g},parser:{strict:/^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,loose:/^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*):?([^:@]*))?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/}};var parseUri=function(){str=decodeURI(options.url);var m=options.parser[options.strictMode?"strict":"loose"].exec(str);var uri={};var i=14;while(i--){uri[options.key[i]]=m[i]||""}uri[options.q.name]={};uri[options.key[12]].replace(options.q.parser,function($0,$1,$2){if($1){uri[options.q.name][$1]=$2}});return uri};var key=function(key){if(!parsed.length){setUp()}if(key=="base"){if(parsed.port!==null&&parsed.port!==""){return parsed.protocol+"://"+parsed.host+":"+parsed.port+"/"}else{return parsed.protocol+"://"+parsed.host+"/"}}return(parsed[key]==="")?null:parsed[key]};var param=function(item){if(!parsed.length){setUp()}return(parsed.queryKey[item]===null)?null:parsed.queryKey[item]};var setUp=function(){parsed=parseUri();getSegments()};var getSegments=function(){var p=parsed.path;segments=[];segments=parsed.path.length==1?{}:(p.charAt(p.length-1)=="/"?p.substring(1,p.length-1):path=p.substring(1)).split("/")};return{setMode:function(mode){strictMode=mode=="strict"?true:false;return this},setUrl:function(newUri){options.url=newUri===undefined?window.location:newUri;setUp();return this},segment:function(pos){if(!parsed.length){setUp()}if(pos===undefined){return segments.length}return(segments[pos]===""||segments[pos]===undefined)?null:segments[pos]},attr:key,param:param}}();

/**
 * jQuery.ScrollTo - Easy element scrolling using jQuery.
 * Copyright (c) 2007-2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
 * Dual licensed under MIT and GPL.
 * Date: 9/11/2008
 * @author Ariel Flesler
 * @version 1.4
 *
 * http://flesler.blogspot.com/2007/10/jqueryscrollto.html
 */
;(function(h){var m=h.scrollTo=function(b,c,g){h(window).scrollTo(b,c,g)};m.defaults={axis:'y',duration:1};m.window=function(b){return h(window).scrollable()};h.fn.scrollable=function(){return this.map(function(){var b=this.parentWindow||this.defaultView,c=this.nodeName=='#document'?b.frameElement||b:this,g=c.contentDocument||(c.contentWindow||c).document,i=c.setInterval;return c.nodeName=='IFRAME'||i&&h.browser.safari?g.body:i?g.documentElement:this})};h.fn.scrollTo=function(r,j,a){if(typeof j=='object'){a=j;j=0}if(typeof a=='function')a={onAfter:a};a=h.extend({},m.defaults,a);j=j||a.speed||a.duration;a.queue=a.queue&&a.axis.length>1;if(a.queue)j/=2;a.offset=n(a.offset);a.over=n(a.over);return this.scrollable().each(function(){var k=this,o=h(k),d=r,l,e={},p=o.is('html,body');switch(typeof d){case'number':case'string':if(/^([+-]=)?\d+(px)?$/.test(d)){d=n(d);break}d=h(d,this);case'object':if(d.is||d.style)l=(d=h(d)).offset()}h.each(a.axis.split(''),function(b,c){var g=c=='x'?'Left':'Top',i=g.toLowerCase(),f='scroll'+g,s=k[f],t=c=='x'?'Width':'Height',v=t.toLowerCase();if(l){e[f]=l[i]+(p?0:s-o.offset()[i]);if(a.margin){e[f]-=parseInt(d.css('margin'+g))||0;e[f]-=parseInt(d.css('border'+g+'Width'))||0}e[f]+=a.offset[i]||0;if(a.over[i])e[f]+=d[v]()*a.over[i]}else e[f]=d[i];if(/^\d+$/.test(e[f]))e[f]=e[f]<=0?0:Math.min(e[f],u(t));if(!b&&a.queue){if(s!=e[f])q(a.onAfterFirst);delete e[f]}});q(a.onAfter);function q(b){o.animate(e,j,a.easing,b&&function(){b.call(this,r,a)})};function u(b){var c='scroll'+b,g=k.ownerDocument;return p?Math.max(g.documentElement[c],g.body[c]):k[c]}}).end()};function n(b){return typeof b=='object'?b:{top:b,left:b}}})(jQuery);

$(function(){
$.comment = {};
$.extend(
  $.comment,
  {
    like: function(){
      var pnl = $('#like_it');
      var data = {};data['url']='/comments/like';
      data['data'] = { article_id: pnl.parents('.article-preview').attr('id') };
      $.send('json', data, function(dt, tg){
        if (dt.st){
          //change picture
          $('.like-it-cmd',pnl).addClass('c-like-yes');
        }else{  
          $.modal.close();
          $(".signin-required").modal({overlayClose:true,
                                       overlayCss:{backgroundColor:'#000'},
                                       maxWidth:350,
                                       minHeight:110,
                                       containerCss:{
                                          border:"2px solid #6CE5FC",
                                       }
                                      });
          $('.like-it-cmd', pnl).one('click', $.comment.like);
        }
      }, null, null);
    },
    //ok
    saveChanges: function(obj, id, body){
      var pnl = obj.parents('.edit-comment');
      var data = {};data['url']='/comments/update';
      data['data'] = { comment_id: id, body: body.val()};
      $.send('json', data, function(dt, tg){
        if (dt.st){
          $.comment.viewMode(obj, dt.body);
        }else{  
          pnl.find('.error-msg').text(dt.err);
        }
      }, null, null);
      pnl.find('.fn-save-changes').one('click', function(){
        $.comment.saveChanges(obj, id, body);
      });
    },
    //ok
    viewMode: function(obj, msg){
      var pnl = obj.parents('.edit-comment');
      pnl.hide();
      var cnt = pnl.parent().find('.reply-container, .comment-container');
      cnt.show();
      if(msg != undefined){
        cnt.find('.conv-body').html(msg);
      }
    },
    //ok
    editMode: function(obj){
      var pnl = obj.parents('.comment-container, .reply-container');
      pnl.hide();
      pnl.parent().find('.edit-comment').show();
    },
    //ok
    create: function(){
      var pnl = $('#new_comment');
      if($('#new_comment_body', pnl).val() != ""){
        var data = {};data['url']='/comments/create';
        data['data'] = { body: $('#new_comment_body', pnl).val(), article_id: $('.article-preview').attr('id') };

        $.send('json', data, function(dt, tg){
          if (dt.st){
            //bind newly added comment
            var n = $(dt.data).prependTo(pnl.parents('.comments').find('.conversations'));
            $(n[0]).hide().slideDown();
            //cleanup and ready to send again
            $('.error-msg', pnl).text("");
            $('#new_comment_body', pnl).val('');
            $('input[type=submit]', pnl).one('click', $.comment.create);
          }else{
            $('.error-msg', pnl).text(dt.err);
            $('input[type=submit]', pnl).one('click', $.comment.create);
          }
        }, null, null);
        
      }
    },    //ok
    reply: function(pnl, id, body){
      var data = {};data['url']='/comments/reply';
      data['data'] = { body: body.val(), conversation_id: id };

      $.send('json', data, function(dt, tg){
        if(dt.st){
          $(dt.data).appendTo(pnl.parent().parent().find('.conv-reply'));
          $('.create-reply-cmd', pnl).one('click', function(){$.comment.reply(pnl, id, body)});
          $.comment.closeReply(pnl);
        }else{
          $('.error-msg', pnl).text(dt.err);
          $('.create-reply-cmd', pnl).one('click', function(){$.comment.reply(pnl, id, body)});
        }
      }, null, null);
        
    },
    destroy: function(obj, id){
        var data = {};data['url']='/comments/destroy';
        data['data'] = { id: id };
        $.send('json', data, function(dt, tg){
          if (dt.st){
            var rp = obj.parents('.edit-comment').parent();
            if (rp.hasClass('reply-item')){
             rp.slideUp(600);
            }else{
             rp.parents('.conversation').slideUp(600);
            }
          }
        });
    },
    //ok
    openReply: function(){
      $(this).parents('.conv-menu').next().slideDown(600);     
    },
    closeReply: function(pnl){
      pnl.parent().slideUp(600);
    },
  }
);

});


(function($){
  $.fn.headline = function(options){
    var settings = $.extend({
      index: 0,
      page: 0,
      live: true,
      headline: this,
      hbody: $('.al-body', this),
      next:  $('.next', this),
      prev:  $('.prev', this)
    },options);

    //the first post is a post that currently fetched
    settings.index += 1;
    this.hover(function(){
      $(this).removeClass('upcoming').addClass('hover');
      $('.al-tools', this).stop(true,true).slideDown();
    }, function(){
      $(this).removeClass('hover');
      $('.al-tools', this).stop(true,true).slideUp();
    });
    //tools hover
    settings.prev.hover(function(){
      $(this).addClass('prev-hover');
    }, function(){
      $(this).removeClass('prev-hover');
    });
	
    settings.next.hover(function(){
      $(this).addClass('next-hover');
    }, function(){
      $(this).removeClass('next-hover');
    });

    settings.next.click(function(){
      if(isLastItem()){
        fetch(function(st){
          if(st){
            settings.index += 1;
            animate('next');
          }else{
            settings.index = 1;
            animate('prev');
          }
        }, settings.index);
      }else{
        settings.index += 1;
        animate('next');
      }
    });

    settings.prev.click(function(){
      if(settings.index == 1){
        settings.index = settings.hbody.find('li').length;
        animate('next');
      }else{
        settings.index -= 1;
        animate('prev');
      }
    });
    
    var isLastItem = function(){
      return settings.hbody.find('li').length == settings.index;
    }

    //read data from server
    var fetch = function(callback, page){
      if (settings.live){
        var data = {};data['url']='/articles/related';
        data['data'] = {article_id:settings.headline.attr('id'), page:settings.page};
        $.send('html', data, function(dt, tg){
          settings.page += 1;
          if(dt.replace(/^\s+|\s+$/g,'') != ""){
            var tmp = "<ul>" + dt + "</ul>";
            var c = settings.hbody.find('li').length + $(tmp).find('li').length;
	    var w = parseInt(settings.headline.width()); 
            settings.hbody.find('ul').css('width', w*c);
	    dt = $(dt).prependTo($('ul', settings.hbody));
            callback(true);
          }else{
            settings.live = false;
            callback(false);
          }
        }, function(){
          //fail, do it again!
        }, null);        
      }else{callback(false);}
    }
    var animate = function animate(dir){
      var w = parseInt(settings.headline.width());
      if(dir == 'next'){
	    p = ((settings.index-1)*w*-1);
	    settings.hbody.find('ul').animate({ marginRight: p }, 800);
      }else{
	    p = ((settings.index-1)*w*-1);
	    settings.hbody.find('ul').animate({ marginRight: p }, 800);
      }
    }
    var dodo = function(){}
  }
})(jQuery);


$(function(){
$.adv = {};
$.extend($.adv,{
    init : function(pnl){
      pnl.find('.edit-adv-cmd').click(function(){
        $(this).parents('.adv-row').find('.view-ad').hide();
        $(this).parents('.adv-row').find('.edit-ad').show();
      });
      $('.adv-row', pnl).hover(function(){
        $(this).css('background-color','#f7f8f8');
      }, function(){
        $(this).removeAttr('style');
      });
    },
    update: function(){
      var i = $(this);
      var data = {};data['url']='/advertises/update';
      if ($(this).parents('.row').find('#approved').length > 0){
        data['data'] = {id: $(this).attr('id') , description: $(this).parents('.adv-row').find('.adv-text-edit-mode').val(), 
                        approved:$(this).parents('.adv-row').find('#approved').is(':checked'),
                        state:$(this).parents('.adv-row').find('#state').is(':checked')};
      }else{
        data['data'] = {id: $(this).attr('id') , description: $(this).parents('.row').find('.adv-text-edit-mode').val()};
      }
      $.send('json', data, function(dt, tg){
        if (dt.st){
          i.parents('.adv-row').find('.edit-ad').hide();         
          var v = i.parents('.adv-row').find('.view-ad');
          v.find('.adv-desc').html(dt.description);
          v.show();
        }else{

        }
      }, null, null);
      i.one('click', $.adv.update);
    },
    cancelUpdate: function(){
      var i = $(this);
      $(this).parents('.adv-row').find('.view-ad').show();
      $(this).parents('.adv-row').find('.edit-ad').hide();
    },
    confirmDelete: function(){
    },
    like: function(ev, id){
        var data = {};data['url']='/advertises/like';
        data['data'] = { advertise_id: id };
        $.send('json', data, function(dt, tg){
          if (dt.st){
            //change picture
            ev.addClass('c-like-yes');
          }else{  
            $.loginRequire();
            tg.one('click', function(){$.adv.like(tg, id)});
          }
        }, null, null);
    },
   reloadPicture: function(i, id){
    var rand = Math.floor(Math.random()*101);
    var p = i.parents('.adv-row').find('.picture');
    $('img', p).remove();
    $("<img style='cursor:pointer'></img>").appendTo(p).attr('src', "/uploads/advertises/"+ id +".jpg?" + rand).attr('id', i.attr('id')).addClass('edit-adv-cmd');
    $.adv.initImage(i.attr('id'), id);
   },
   getHits: function(id, cnt){
      var data = {};data['url']='/advertise_hits/latest';
      data['data'] = { advertise_id: id };
      $.send('html', data, function(dt, tg){
        $(dt).appendTo(cnt.find('.adv-hits'));
        cnt.find('.adv-hits').slideDown(600);
      }, null, null);
   },
   changeState: function(id, state, cnt){
      var data = {};data['url']='/advertises/change_state';
      data['data'] = { advertise_id: id, state: state };
      cnt.find("input[type='radio']").attr('disabled', 'disabled');
      cnt.find('.loader').show();
      $.send('json', data, function(dt, tg){
        if (dt.st){
           if(dt.type == 'banner'){
             cnt.find('.picture img').attr('src', 'http://bebinim.com/uploads/advertises/default_banner.jpg');
           }
          cnt.find("input[type='radio']").attr('disabled', 'disabled');
          cnt.find('.loader').hide();
          cnt.find('.check').show();
        }else{  
        }
      }, null, null);
   },
   fixH: function(){
    if($('.ads-bar').height() > $('.list').height()){
      $('.list').css('min-height',$('.ads-bar').height() + 10);
    }
   },
   initImage: function(imageId, id){
     new AjaxUpload (imageId, {action: '/advertises/upload_image',
                          name: 'picture',
                          data: {id: id},
                          onSubmit: function(file, extention){
                            $(imageId).parents('.adv-row').find('.uploading').show();
                          },
                          onComplete: function(file, response){
			    $(imageId).parents('.adv-row').find('.uploading').hide();
                            if(response != ''){                    
                            }else{
                              $.adv.reloadPicture($("#"+imageId), id);
                            }     
                          }
                        });
   }
  });
});


$(function(){
$.header = {};
$.extend($.header,{
    init : function(){
      $('.cats li').not('selected').hover(function(){
        $(this).addClass('hover');
      }, function(){
        $(this).removeClass('hover');
      });

      if($('.flash').text() != ""){
        $.header.closePanel(function(){
          $.header.openPanel("<div class='flash-message'>"+$('.flash').text()+"</div>");
          setTimeout(function(){
            $.header.closePanel();
          }, 3000);

        });
      }
      $('.subscribe').one('click',$.header.getSubscribeBar);
      $('.get-signin').one('click', $.header.getUserBar);
    },
    openPanel: function(content){
      var pnl = $('.user-account');
      pnl.css('height', 'auto').css('padding', '5px').css('cursor', 'default');
      pnl.append("<div class='inner hidden'>" + content + "</div>");
      $('.inner', pnl).slideDown(400, function(){ });
    },
    closePanel: function(callback){
      var pnl = $('.user-account');
      if ($('.inner', pnl).length > 0){
      $('.inner', pnl).slideUp(400, function(){
        pnl.css('height', '5px').css('padding', '0').css('cursor', 'pointer');
        $('.inner', pnl).remove();
        if (typeof(callback) == 'function') {callback();}
      });
      } else {
        if (typeof(callback) == 'function') {callback();}
      }
    },
    doSignin: function(){
      $.header.hideAllSigns();
      var pnl = $('#signin-pnl');
      var data = {};data['url']='/sessions/create';
      data['data'] = { login: $('#login').val(), password: $('#password').val(), remember_me: $('#remember_me').is(':checked') };
      $('.loader', pnl).show();
      $.send('json', data, function(dt, tg){
        if (dt.st){
          $.cookie('login', $('#login').val(), {path: '/', expires: 4});
          $('.loader', pnl).hide();
          $.header.getUserBar();
        }else{
          $('.loader', pnl).hide();
          $('.ckeck', pnl).hide();
          $('.error', pnl).show();         
        }
        $('.submit', pnl).one('click', $.header.doSignin);
      }, null, null);
    },
    getUserBar: function(){
      $.header.closePanel(function(){
        var data = {};data['url']='/sessions/login_bar';
        $.send('html', data, function(dt, tg){
          $.header.openPanel(dt); 
          $('.get-signin').one('click', $.header.getUserBar);
        }, null, null); 
      });
    },
    submitEmail:function(){
      $.header.hideAllSigns();
      var pnl = $('.user-account');
      var data = {};data['url']='/public/create_subscriber';
      data['data'] = {email: $('#email').val()};
      $('.loader', pnl).show();
      $.send('json', data, function(dt, tg){
        if (dt.st){
          $('.loader', pnl).hide();
          $('.check', pnl).show();
          $('.error', pnl).hide();
          setTimeout(function(){
            $.header.closePanel();
          }, 3000);
        }else{
          $('.loader', pnl).hide();
          $('.ckeck', pnl).hide();
          $('.error', pnl).show();
        }
        $('.submit', pnl).one('click', $.header.submitEmail);
      }, null, null);
    },
    getSubscribeBar: function(){
      var data = {};data['url']='/public/subscribe';
      var pnl = $('.user-account');
      $.header.closePanel(function(){
        $.send('html', data, function(dt, tg){
          $.header.openPanel(dt); 
          //rebind
          $('.subscribe').one('click',$.header.getSubscribeBar);
        }, null, null); 
      });
    },
    hideAllSigns:function(){
      var pnl = $('.user-account');
      $('.loader', pnl).hide();
      $('.ckeck', pnl).hide();
      $('.error', pnl).hide();
    }
  });
});


/*
 * SimpleModal 1.3.5 - jQuery Plugin
 * http://www.ericmmartin.com/projects/simplemodal/
 * Copyright (c) 2010 Eric Martin (http://twitter.com/EricMMartin)
 * Dual licensed under the MIT and GPL licenses
 * Revision: $Id: jquery.simplemodal.js 245 2010-03-25 20:41:15Z emartin24 $
 */
;(function($){var ie6=$.browser.msie&&parseInt($.browser.version)==6&&typeof window['XMLHttpRequest']!="object",ieQuirks=null,w=[];$.modal=function(data,options){return $.modal.impl.init(data,options);};$.modal.close=function(){$.modal.impl.close();};$.fn.modal=function(options){return $.modal.impl.init(this,options);};$.modal.defaults={appendTo:'body',focus:true,opacity:50,overlayId:'simplemodal-overlay',overlayCss:{},containerId:'simplemodal-container',containerCss:{},dataId:'simplemodal-data',dataCss:{},minHeight:null,minWidth:null,maxHeight:null,maxWidth:null,autoResize:false,autoPosition:true,zIndex:1000,close:true,closeHTML:'<a class="modalCloseImg" title="Close"></a>',closeClass:'simplemodal-close',escClose:true,overlayClose:false,position:null,persist:false,modal:true,onOpen:null,onShow:null,onClose:null};$.modal.impl={o:null,d:{},init:function(data,options){var s=this;if(s.d.data){return false;}ieQuirks=$.browser.msie&&!$.boxModel;s.o=$.extend({},$.modal.defaults,options);s.zIndex=s.o.zIndex;s.occb=false;if(typeof data=='object'){data=data instanceof jQuery?data:$(data);s.d.placeholder=false;if(data.parent().parent().size()>0){data.before($('<span></span>').attr('id','simplemodal-placeholder').css({display:'none'}));s.d.placeholder=true;s.display=data.css('display');if(!s.o.persist){s.d.orig=data.clone(true);}}}else if(typeof data=='string'||typeof data=='number'){data=$('<div></div>').html(data);}else{alert('SimpleModal Error: Unsupported data type: '+typeof data);return s;}s.create(data);data=null;s.open();if($.isFunction(s.o.onShow)){s.o.onShow.apply(s,[s.d]);}return s;},create:function(data){var s=this;w=s.getDimensions();if(s.o.modal&&ie6){s.d.iframe=$('<iframe src="javascript:false;"></iframe>').css($.extend(s.o.iframeCss,{display:'none',opacity:0,position:'fixed',height:w[0],width:w[1],zIndex:s.o.zIndex,top:0,left:0})).appendTo(s.o.appendTo);}s.d.overlay=$('<div></div>').attr('id',s.o.overlayId).addClass('simplemodal-overlay').css($.extend(s.o.overlayCss,{display:'none',opacity:s.o.opacity/100,height:s.o.modal?w[0]:0,width:s.o.modal?w[1]:0,position:'fixed',left:0,top:0,zIndex:s.o.zIndex+1})).appendTo(s.o.appendTo);s.d.container=$('<div></div>').attr('id',s.o.containerId).addClass('simplemodal-container').css($.extend(s.o.containerCss,{display:'none',position:'fixed',zIndex:s.o.zIndex+2})).append(s.o.close&&s.o.closeHTML?$(s.o.closeHTML).addClass(s.o.closeClass):'').appendTo(s.o.appendTo);s.d.wrap=$('<div></div>').attr('tabIndex',-1).addClass('simplemodal-wrap').css({height:'100%',outline:0,width:'100%'}).appendTo(s.d.container);s.d.data=data.attr('id',data.attr('id')||s.o.dataId).addClass('simplemodal-data').css($.extend(s.o.dataCss,{display:'none'})).appendTo('body');data=null;s.setContainerDimensions();s.d.data.appendTo(s.d.wrap);if(ie6||ieQuirks){s.fixIE();}},bindEvents:function(){var s=this;$('.'+s.o.closeClass).bind('click.simplemodal',function(e){e.preventDefault();s.close();});if(s.o.modal&&s.o.close&&s.o.overlayClose){s.d.overlay.bind('click.simplemodal',function(e){e.preventDefault();s.close();});}$(document).bind('keydown.simplemodal',function(e){if(s.o.modal&&s.o.focus&&e.keyCode==9){s.watchTab(e);}else if((s.o.close&&s.o.escClose)&&e.keyCode==27){e.preventDefault();s.close();}});$(window).bind('resize.simplemodal',function(){w=s.getDimensions();s.setContainerDimensions(true);if(ie6||ieQuirks){s.fixIE();}else if(s.o.modal){s.d.iframe&&s.d.iframe.css({height:w[0],width:w[1]});s.d.overlay.css({height:w[0],width:w[1]});}});},unbindEvents:function(){$('.'+this.o.closeClass).unbind('click.simplemodal');$(document).unbind('keydown.simplemodal');$(window).unbind('resize.simplemodal');this.d.overlay.unbind('click.simplemodal');},fixIE:function(){var s=this,p=s.o.position;$.each([s.d.iframe||null,!s.o.modal?null:s.d.overlay,s.d.container],function(i,el){if(el){var bch='document.body.clientHeight',bcw='document.body.clientWidth',bsh='document.body.scrollHeight',bsl='document.body.scrollLeft',bst='document.body.scrollTop',bsw='document.body.scrollWidth',ch='document.documentElement.clientHeight',cw='document.documentElement.clientWidth',sl='document.documentElement.scrollLeft',st='document.documentElement.scrollTop',s=el[0].style;s.position='absolute';if(i<2){s.removeExpression('height');s.removeExpression('width');s.setExpression('height',''+bsh+' > '+bch+' ? '+bsh+' : '+bch+' + "px"');s.setExpression('width',''+bsw+' > '+bcw+' ? '+bsw+' : '+bcw+' + "px"');}else{var te,le;if(p&&p.constructor==Array){var top=p[0]?typeof p[0]=='number'?p[0].toString():p[0].replace(/px/,''):el.css('top').replace(/px/,'');te=top.indexOf('%')==-1?top+' + (t = '+st+' ? '+st+' : '+bst+') + "px"':parseInt(top.replace(/%/,''))+' * (('+ch+' || '+bch+') / 100) + (t = '+st+' ? '+st+' : '+bst+') + "px"';if(p[1]){var left=typeof p[1]=='number'?p[1].toString():p[1].replace(/px/,'');le=left.indexOf('%')==-1?left+' + (t = '+sl+' ? '+sl+' : '+bsl+') + "px"':parseInt(left.replace(/%/,''))+' * (('+cw+' || '+bcw+') / 100) + (t = '+sl+' ? '+sl+' : '+bsl+') + "px"';}}else{te='('+ch+' || '+bch+') / 2 - (this.offsetHeight / 2) + (t = '+st+' ? '+st+' : '+bst+') + "px"';le='('+cw+' || '+bcw+') / 2 - (this.offsetWidth / 2) + (t = '+sl+' ? '+sl+' : '+bsl+') + "px"';}s.removeExpression('top');s.removeExpression('left');s.setExpression('top',te);s.setExpression('left',le);}}});},focus:function(pos){var s=this,p=pos||'first';var input=$(':input:enabled:visible:'+p,s.d.wrap);input.length>0?input.focus():s.d.wrap.focus();},getDimensions:function(){var el=$(window);var h=$.browser.opera&&$.browser.version>'9.5'&&$.fn.jquery<='1.2.6'?document.documentElement['clientHeight']:$.browser.opera&&$.browser.version<'9.5'&&$.fn.jquery>'1.2.6'?window.innerHeight:el.height();return[h,el.width()];},getVal:function(v){return v=='auto'?0:v.indexOf('%')>0?v:parseInt(v.replace(/px/,''));},setContainerDimensions:function(resize){var s=this;if(!resize||(resize&&s.o.autoResize)){var ch=$.browser.opera?s.d.container.height():s.getVal(s.d.container.css('height')),cw=$.browser.opera?s.d.container.width():s.getVal(s.d.container.css('width')),dh=s.d.data.outerHeight(true),dw=s.d.data.outerWidth(true);var mh=s.o.maxHeight&&s.o.maxHeight<w[0]?s.o.maxHeight:w[0],mw=s.o.maxWidth&&s.o.maxWidth<w[1]?s.o.maxWidth:w[1];if(!ch){if(!dh){ch=s.o.minHeight;}else{if(dh>mh){ch=mh;}else if(dh<s.o.minHeight){ch=s.o.minHeight;}else{ch=dh;}}}else{ch=ch>mh?mh:ch;}if(!cw){if(!dw){cw=s.o.minWidth;}else{if(dw>mw){cw=mw;}else if(dw<s.o.minWidth){cw=s.o.minWidth;}else{cw=dw;}}}else{cw=cw>mw?mw:cw;}s.d.container.css({height:ch,width:cw});if(dh>ch||dw>cw){s.d.wrap.css({overflow:'auto'});}}if(s.o.autoPosition){s.setPosition();}},setPosition:function(){var s=this,top,left,hc=(w[0]/2)-(s.d.container.outerHeight(true)/2),vc=(w[1]/2)-(s.d.container.outerWidth(true)/2);if(s.o.position&&Object.prototype.toString.call(s.o.position)==="[object Array]"){top=s.o.position[0]||hc;left=s.o.position[1]||vc;}else{top=hc;left=vc;}s.d.container.css({left:left,top:top});},watchTab:function(e){var s=this;if($(e.target).parents('.simplemodal-container').length>0){s.inputs=$(':input:enabled:visible:first, :input:enabled:visible:last',s.d.data[0]);if((!e.shiftKey&&e.target==s.inputs[s.inputs.length-1])||(e.shiftKey&&e.target==s.inputs[0])||s.inputs.length==0){e.preventDefault();var pos=e.shiftKey?'last':'first';setTimeout(function(){s.focus(pos);},10);}}else{e.preventDefault();setTimeout(function(){s.focus();},10);}},open:function(){var s=this;s.d.iframe&&s.d.iframe.show();if($.isFunction(s.o.onOpen)){s.o.onOpen.apply(s,[s.d]);}else{s.d.overlay.show();s.d.container.show();s.d.data.show();}s.focus();s.bindEvents();},close:function(){var s=this;if(!s.d.data){return false;}s.unbindEvents();if($.isFunction(s.o.onClose)&&!s.occb){s.occb=true;s.o.onClose.apply(s,[s.d]);}else{if(s.d.placeholder){var ph=$('#simplemodal-placeholder');if(s.o.persist){ph.replaceWith(s.d.data.removeClass('simplemodal-data').css('display',s.display));}else{s.d.data.hide().remove();ph.replaceWith(s.d.orig);}}else{s.d.data.hide().remove();}s.d.container.hide().remove();s.d.overlay.hide().remove();s.d.iframe&&s.d.iframe.hide().remove();s.d={};}}};})(jQuery);

/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

/**
 * Create a cookie with the given name and value and other optional parameters.
 *
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Set the value of a cookie.
 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
 * @desc Create a cookie with all available options.
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Create a session cookie.
 * @example $.cookie('the_cookie', null);
 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
 *       used when the cookie was set.
 *
 * @param String name The name of the cookie.
 * @param String value The value of the cookie.
 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
 *                             when the the browser exits.
 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
 *                        require a secure protocol (like HTTPS).
 * @type undefined
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

/**
 * Get the value of a cookie with the given name.
 *
 * @example $.cookie('the_cookie');
 * @desc Get the value of a cookie.
 *
 * @param String name The name of the cookie.
 * @return The value of the cookie.
 * @type String
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */
jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};


/**
 * AJAX Upload ( http://valums.com/ajax-upload/ ) 
 * Copyright (c) Andris Valums
 * Licensed under the MIT license ( http://valums.com/mit-license/ )
 * Thanks to Gary Haran, David Mark, Corey Burns and others for contributions 
 */
(function () {
    /* global window */
    /* jslint browser: true, devel: true, undef: true, nomen: true, bitwise: true, regexp: true, newcap: true, immed: true */
    
    /**
     * Wrapper for FireBug's console.log
     */
    function log(){
        if (typeof(console) != 'undefined' && typeof(console.log) == 'function'){            
            Array.prototype.unshift.call(arguments, '[Ajax Upload]');
            console.log( Array.prototype.join.call(arguments, ' '));
        }
    } 

    /**
     * Attaches event to a dom element.
     * @param {Element} el
     * @param type event name
     * @param fn callback This refers to the passed element
     */
    function addEvent(el, type, fn){
        if (el.addEventListener) {
            el.addEventListener(type, fn, false);
        } else if (el.attachEvent) {
            el.attachEvent('on' + type, function(){
                fn.call(el);
	        });
	    } else {
            throw new Error('not supported or DOM not loaded');
        }
    }   
    
    /**
     * Attaches resize event to a window, limiting
     * number of event fired. Fires only when encounteres
     * delay of 100 after series of events.
     * 
     * Some browsers fire event multiple times when resizing
     * http://www.quirksmode.org/dom/events/resize.html
     * 
     * @param fn callback This refers to the passed element
     */
    function addResizeEvent(fn){
        var timeout;
               
	    addEvent(window, 'resize', function(){
            if (timeout){
                clearTimeout(timeout);
            }
            timeout = setTimeout(fn, 100);                        
        });
    }    
    
    // Needs more testing, will be rewriten for next version        
    // getOffset function copied from jQuery lib (http://jquery.com/)
    if (document.documentElement.getBoundingClientRect){
        // Get Offset using getBoundingClientRect
        // http://ejohn.org/blog/getboundingclientrect-is-awesome/
        var getOffset = function(el){
            var box = el.getBoundingClientRect();
            var doc = el.ownerDocument;
            var body = doc.body;
            var docElem = doc.documentElement; // for ie 
            var clientTop = docElem.clientTop || body.clientTop || 0;
            var clientLeft = docElem.clientLeft || body.clientLeft || 0;
             
            // In Internet Explorer 7 getBoundingClientRect property is treated as physical,
            // while others are logical. Make all logical, like in IE8.	
            var zoom = 1;            
            if (body.getBoundingClientRect) {
                var bound = body.getBoundingClientRect();
                zoom = (bound.right - bound.left) / body.clientWidth;
            }
            
            if (zoom > 1) {
                clientTop = 0;
                clientLeft = 0;
            }
            
            var top = box.top / zoom + (window.pageYOffset || docElem && docElem.scrollTop / zoom || body.scrollTop / zoom) - clientTop, left = box.left / zoom + (window.pageXOffset || docElem && docElem.scrollLeft / zoom || body.scrollLeft / zoom) - clientLeft;
            
            return {
                top: top,
                left: left
            };
        };        
    } else {
        // Get offset adding all offsets 
        var getOffset = function(el){
            var top = 0, left = 0;
            do {
                top += el.offsetTop || 0;
                left += el.offsetLeft || 0;
                el = el.offsetParent;
            } while (el);
            
            return {
                left: left,
                top: top
            };
        };
    }
    
    /**
     * Returns left, top, right and bottom properties describing the border-box,
     * in pixels, with the top-left relative to the body
     * @param {Element} el
     * @return {Object} Contains left, top, right,bottom
     */
    function getBox(el){
        var left, right, top, bottom;
        var offset = getOffset(el);
        left = offset.left;
        top = offset.top;
        
        right = left + el.offsetWidth;
        bottom = top + el.offsetHeight;
        
        return {
            left: left,
            right: right,
            top: top,
            bottom: bottom
        };
    }
    
    /**
     * Helper that takes object literal
     * and add all properties to element.style
     * @param {Element} el
     * @param {Object} styles
     */
    function addStyles(el, styles){
        for (var name in styles) {
            if (styles.hasOwnProperty(name)) {
                el.style[name] = styles[name];
            }
        }
    }
        
    /**
     * Function places an absolutely positioned
     * element on top of the specified element
     * copying position and dimentions.
     * @param {Element} from
     * @param {Element} to
     */    
    function copyLayout(from, to){
	    var box = getBox(from);
        
        addStyles(to, {
	        position: 'absolute',                    
	        left : box.left + 'px',
	        top : box.top + 'px',
	        width : from.offsetWidth + 'px',
	        height : from.offsetHeight + 'px'
	    });        
    }

    /**
    * Creates and returns element from html chunk
    * Uses innerHTML to create an element
    */
    var toElement = (function(){
        var div = document.createElement('div');
        return function(html){
            div.innerHTML = html;
            var el = div.firstChild;
            return div.removeChild(el);
        };
    })();
            
    /**
     * Function generates unique id
     * @return unique id 
     */
    var getUID = (function(){
        var id = 0;
        return function(){
            return 'ValumsAjaxUpload' + id++;
        };
    })();        
 
    /**
     * Get file name from path
     * @param {String} file path to file
     * @return filename
     */  
    function fileFromPath(file){
        return file.replace(/.*(\/|\\)/, "");
    }
    
    /**
     * Get file extension lowercase
     * @param {String} file name
     * @return file extenstion
     */    
    function getExt(file){
        return (-1 !== file.indexOf('.')) ? file.replace(/.*[.]/, '') : '';
    }

    function hasClass(el, name){        
        var re = new RegExp('\\b' + name + '\\b');        
        return re.test(el.className);
    }    
    function addClass(el, name){
        if ( ! hasClass(el, name)){   
            el.className += ' ' + name;
        }
    }    
    function removeClass(el, name){
        var re = new RegExp('\\b' + name + '\\b');                
        el.className = el.className.replace(re, '');        
    }
    
    function removeNode(el){
        el.parentNode.removeChild(el);
    }

    /**
     * Easy styling and uploading
     * @constructor
     * @param button An element you want convert to 
     * upload button. Tested dimentions up to 500x500px
     * @param {Object} options See defaults below.
     */
    window.AjaxUpload = function(button, options){
        this._settings = {
            // Location of the server-side upload script
            action: 'upload.php',
            // File upload name
            name: 'userfile',
            // Additional data to send
            data: {},
            // Submit file as soon as it's selected
            autoSubmit: true,
            // The type of data that you're expecting back from the server.
            // html and xml are detected automatically.
            // Only useful when you are using json data as a response.
            // Set to "json" in that case. 
            responseType: false,
            // Class applied to button when mouse is hovered
            hoverClass: 'hover',
            // Class applied to button when AU is disabled
            disabledClass: 'disabled',            
            // When user selects a file, useful with autoSubmit disabled
            // You can return false to cancel upload			
            onChange: function(file, extension){
            },
            // Callback to fire before file is uploaded
            // You can return false to cancel upload
            onSubmit: function(file, extension){
            },
            // Fired when file upload is completed
            // WARNING! DO NOT USE "FALSE" STRING AS A RESPONSE!
            onComplete: function(file, response){
            }
        };
                        
        // Merge the users options with our defaults
        for (var i in options) {
            if (options.hasOwnProperty(i)){
                this._settings[i] = options[i];
            }
        }
                
        // button isn't necessary a dom element
        if (button.jquery){
            // jQuery object was passed
            button = button[0];
        } else if (typeof button == "string") {
            if (/^#.*/.test(button)){
                // If jQuery user passes #elementId don't break it					
                button = button.slice(1);                
            }
            
            button = document.getElementById(button);
        }
        
        if ( ! button || button.nodeType !== 1){
            throw new Error("Please make sure that you're passing a valid element"); 
        }
                
        if ( button.nodeName.toUpperCase() == 'A'){
            // disable link                       
            addEvent(button, 'click', function(e){
                if (e && e.preventDefault){
                    e.preventDefault();
                } else if (window.event){
                    window.event.returnValue = false;
                }
            });
        }
                    
        // DOM element
        this._button = button;        
        // DOM element                 
        this._input = null;
        // If disabled clicking on button won't do anything
        this._disabled = false;
        
        // if the button was disabled before refresh if will remain
        // disabled in FireFox, let's fix it
        this.enable();        
        
        this._rerouteClicks();
    };
    
    // assigning methods to our class
    AjaxUpload.prototype = {
        setData: function(data){
            this._settings.data = data;
        },
        disable: function(){            
            addClass(this._button, this._settings.disabledClass);
            this._disabled = true;
            
            var nodeName = this._button.nodeName.toUpperCase();            
            if (nodeName == 'INPUT' || nodeName == 'BUTTON'){
                this._button.setAttribute('disabled', 'disabled');
            }            
            
            // hide input
            if (this._input){
                // We use visibility instead of display to fix problem with Safari 4
                // The problem is that the value of input doesn't change if it 
                // has display none when user selects a file           
                this._input.parentNode.style.visibility = 'hidden';
            }
        },
        enable: function(){
            removeClass(this._button, this._settings.disabledClass);
            this._button.removeAttribute('disabled');
            this._disabled = false;
            
        },
        /**
         * Creates invisible file input 
         * that will hover above the button
         * <div><input type='file' /></div>
         */
        _createInput: function(){ 
            var self = this;
                        
            var input = document.createElement("input");
            input.setAttribute('type', 'file');
            input.setAttribute('name', this._settings.name);
            
            addStyles(input, {
                'position' : 'absolute',
                // in Opera only 'browse' button
                // is clickable and it is located at
                // the right side of the input
                'right' : 0,
                'margin' : 0,
                'padding' : 0,
                'fontSize' : '480px',                
                'cursor' : 'pointer'
            });            

            var div = document.createElement("div");                        
            addStyles(div, {
                'display' : 'block',
                'position' : 'absolute',
                'overflow' : 'hidden',
                'margin' : 0,
                'padding' : 0,                
                'opacity' : 0,
                // Make sure browse button is in the right side
                // in Internet Explorer
                'direction' : 'ltr',
                //Max zIndex supported by Opera 9.0-9.2
                'zIndex': 2147483583
            });
            
            // Make sure that element opacity exists.
            // Otherwise use IE filter            
            if ( div.style.opacity !== "0") {
                if (typeof(div.filters) == 'undefined'){
                    throw new Error('Opacity not supported by the browser');
                }
                div.style.filter = "alpha(opacity=0)";
            }            
            
            addEvent(input, 'change', function(){
                 
                if ( ! input || input.value === ''){                
                    return;                
                }
                            
                // Get filename from input, required                
                // as some browsers have path instead of it          
                var file = fileFromPath(input.value);
                                
                if (false === self._settings.onChange.call(self, file, getExt(file))){
                    self._clearInput();                
                    return;
                }
                
                // Submit form when value is changed
                if (self._settings.autoSubmit) {
                    self.submit();
                }
            });            

            addEvent(input, 'mouseover', function(){
                addClass(self._button, self._settings.hoverClass);
            });
            
            addEvent(input, 'mouseout', function(){
                removeClass(self._button, self._settings.hoverClass);
                
                // We use visibility instead of display to fix problem with Safari 4
                // The problem is that the value of input doesn't change if it 
                // has display none when user selects a file           
                input.parentNode.style.visibility = 'hidden';

            });   
                        
	        div.appendChild(input);
            document.body.appendChild(div);
              
            this._input = input;
        },
        _clearInput : function(){
            if (!this._input){
                return;
            }            
                             
            // this._input.value = ''; Doesn't work in IE6                               
            removeNode(this._input.parentNode);
            this._input = null;                                                                   
            this._createInput();
            
            removeClass(this._button, this._settings.hoverClass);
        },
        /**
         * Function makes sure that when user clicks upload button,
         * the this._input is clicked instead
         */
        _rerouteClicks: function(){
            var self = this;
            
            // IE will later display 'access denied' error
            // if you use using self._input.click()
            // other browsers just ignore click()

            addEvent(self._button, 'mouseover', function(){
                if (self._disabled){
                    return;
                }
                                
                if ( ! self._input){
	                self._createInput();
                }
                
                var div = self._input.parentNode;                            
                copyLayout(self._button, div);
                div.style.visibility = 'visible';
                                
            });
            
            
            // commented because we now hide input on mouseleave
            /**
             * When the window is resized the elements 
             * can be misaligned if button position depends
             * on window size
             */
            //addResizeEvent(function(){
            //    if (self._input){
            //        copyLayout(self._button, self._input.parentNode);
            //    }
            //});            
                                         
        },
        /**
         * Creates iframe with unique name
         * @return {Element} iframe
         */
        _createIframe: function(){
            // We can't use getTime, because it sometimes return
            // same value in safari :(
            var id = getUID();            
             
            // We can't use following code as the name attribute
            // won't be properly registered in IE6, and new window
            // on form submit will open
            // var iframe = document.createElement('iframe');
            // iframe.setAttribute('name', id);                        
 
            var iframe = toElement('<iframe src="javascript:false;" name="' + id + '" />');
            // src="javascript:false; was added
            // because it possibly removes ie6 prompt 
            // "This page contains both secure and nonsecure items"
            // Anyway, it doesn't do any harm.            
            iframe.setAttribute('id', id);
            
            iframe.style.display = 'none';
            document.body.appendChild(iframe);
            
            return iframe;
        },
        /**
         * Creates form, that will be submitted to iframe
         * @param {Element} iframe Where to submit
         * @return {Element} form
         */
        _createForm: function(iframe){
            var settings = this._settings;
                        
            // We can't use the following code in IE6
            // var form = document.createElement('form');
            // form.setAttribute('method', 'post');
            // form.setAttribute('enctype', 'multipart/form-data');
            // Because in this case file won't be attached to request                    
            var form = toElement("<form method='post' enctype='multipart/form-data'><input type='hidden' value='" + window._token + "' name='authenticity_token'/></form>");
                        
            form.setAttribute('action', settings.action);
            form.setAttribute('target', iframe.name);                                   
            form.style.display = 'none';
            document.body.appendChild(form);
            
            // Create hidden input element for each data key
            for (var prop in settings.data) {
                if (settings.data.hasOwnProperty(prop)){
                    var el = document.createElement("input");
                    el.setAttribute('type', 'hidden');
                    el.setAttribute('name', prop);
                    el.setAttribute('value', settings.data[prop]);
                    form.appendChild(el);
                }
            }
            return form;
        },
        /**
         * Gets response from iframe and fires onComplete event when ready
         * @param iframe
         * @param file Filename to use in onComplete callback 
         */
        _getResponse : function(iframe, file){            
            // getting response
            var toDeleteFlag = false, self = this, settings = this._settings;   
               
            addEvent(iframe, 'load', function(){                
                
                if (// For Safari 
                    iframe.src == "javascript:'%3Chtml%3E%3C/html%3E';" ||
                    // For FF, IE
                    iframe.src == "javascript:'<html></html>';"){                                                                        
                        // First time around, do not delete.
                        // We reload to blank page, so that reloading main page
                        // does not re-submit the post.
                        
                        if (toDeleteFlag) {
                            // Fix busy state in FF3
                            setTimeout(function(){
                                removeNode(iframe);
                            }, 0);
                        }
                                                
                        return;
                }
                
                var doc = iframe.contentDocument ? iframe.contentDocument : window.frames[iframe.id].document;
                
                // fixing Opera 9.26,10.00
                if (doc.readyState && doc.readyState != 'complete') {
                   // Opera fires load event multiple times
                   // Even when the DOM is not ready yet
                   // this fix should not affect other browsers
                   return;
                }
                
                // fixing Opera 9.64
                if (doc.body && doc.body.innerHTML == "false") {
                    // In Opera 9.64 event was fired second time
                    // when body.innerHTML changed from false 
                    // to server response approx. after 1 sec
                    return;
                }
                
                var response;
                
                if (doc.XMLDocument) {
                    // response is a xml document Internet Explorer property
                    response = doc.XMLDocument;
                } else if (doc.body){
                    // response is html document or plain text
                    response = doc.body.innerHTML;
                    
                    if (settings.responseType && settings.responseType.toLowerCase() == 'json') {
                        // If the document was sent as 'application/javascript' or
                        // 'text/javascript', then the browser wraps the text in a <pre>
                        // tag and performs html encoding on the contents.  In this case,
                        // we need to pull the original text content from the text node's
                        // nodeValue property to retrieve the unmangled content.
                        // Note that IE6 only understands text/html
                        if (doc.body.firstChild && doc.body.firstChild.nodeName.toUpperCase() == 'PRE') {
                            response = doc.body.firstChild.firstChild.nodeValue;
                        }
                        
                        if (response) {
                            response = eval("(" + response + ")");
                        } else {
                            response = {};
                        }
                    }
                } else {
                    // response is a xml document
                    response = doc;
                }
                
                settings.onComplete.call(self, file, response);
                
                // Reload blank page, so that reloading main page
                // does not re-submit the post. Also, remember to
                // delete the frame
                toDeleteFlag = true;
                
                // Fix IE mixed content issue
                iframe.src = "javascript:'<html></html>';";
            });            
        },        
        /**
         * Upload file contained in this._input
         */
        submit: function(){                        
            var self = this, settings = this._settings;
            
            if ( ! this._input || this._input.value === ''){                
                return;                
            }
                                    
            var file = fileFromPath(this._input.value);
            
            // user returned false to cancel upload
            if (false === settings.onSubmit.call(this, file, getExt(file))){
                this._clearInput();                
                return;
            }
            
            // sending request    
            var iframe = this._createIframe();
            var form = this._createForm(iframe);
            
            // assuming following structure
            // div -> input type='file'
            removeNode(this._input.parentNode);            
            removeClass(self._button, self._settings.hoverClass);
                        
            form.appendChild(this._input);
                        
            form.submit();

            // request set, clean up                
            removeNode(form); form = null;                          
            removeNode(this._input); this._input = null;
            
            // Get response from iframe and fire onComplete event when ready
            this._getResponse(iframe, file);            

            // get ready for next request            
            this._createInput();
        }
    };
})();