// application.js

// Log wrapper
DEBUG=true
if ("undefined" == typeof console) var console = { log : function(what) {} }
log = { debug : function(msg) { if ('undefined' != typeof DEBUG && DEBUG == true) { console.log(msg) } } };

// * Add initialize() handler
// document.observe("dom:loaded", function() { try {Application.initialize()} catch(e) { alert('Error when initializing application! \n' + e); } });


// * Application namespace
Application = {
  
  initialize: function(options) {
    
    this.options = options
    this.window = document.viewport.getDimensions()
        
    // # Debug
    log.debug(this)
  },

  // --------- Utils --------------------------------------------------------------------
  
  Utils : {
    
    preloadImages : function(images) {
      for( var i=0; i < images.length; i++) { img = new Image(); img.src = 'images/'+images[i]; }
    },
    
    isIE6 : function() { 
      return navigator.appVersion.include('MSIE 6');  
    }
    
  }
  
};

LowPro = {};
LowPro.Version = '0.5';
LowPro.CompatibleWithPrototype = '1.6';

if (Prototype.Version.indexOf(LowPro.CompatibleWithPrototype) != 0 && console && console.warn)
  console.warn("This version of Low Pro is tested with Prototype " + LowPro.CompatibleWithPrototype + 
                  " it may not work as expected with this version (" + Prototype.Version + ")");

if (!Element.addMethods) 
  Element.addMethods = function(o) { Object.extend(Element.Methods, o) };

// Simple utility methods for working with the DOM
DOM = {};

// DOMBuilder for prototype
DOM.Builder = {
	tagFunc : function(tag) {
	  return function() {
	    var attrs, children; 
	    if (arguments.length>0) { 
	      if (arguments[0].nodeName || 
	        typeof arguments[0] == "string") 
	        children = arguments; 
	      else { 
	        attrs = arguments[0]; 
	        children = Array.prototype.slice.call(arguments, 1); 
	      };
	    }
	    return DOM.Builder.create(tag, attrs, children);
	  };
  },
	create : function(tag, attrs, children) {
		attrs = attrs || {}; children = children || []; tag = tag.toLowerCase();
		var el = new Element(tag, attrs);
	  
		for (var i=0; i<children.length; i++) {
			if (typeof children[i] == 'string') 
			  children[i] = document.createTextNode(children[i]);
			el.appendChild(children[i]);
		}
		return $(el);
	}
};

// Automatically create node builders as $tagName.
(function() { 
	var els = ("p|div|span|strong|em|img|table|tr|td|th|thead|tbody|tfoot|pre|code|" + 
				     "h1|h2|h3|h4|h5|h6|ul|ol|li|form|input|textarea|legend|fieldset|" + 
				     "select|option|blockquote|cite|br|hr|dd|dl|dt|address|a|button|abbr|acronym|" +
				     "script|link|style|bdo|ins|del|object|param|col|colgroup|optgroup|caption|" + 
				     "label|dfn|kbd|samp|var").split("|");
  var el, i=0;
	while (el = els[i++]) 
	  window['$' + el] = DOM.Builder.tagFunc(el);
})();

DOM.Builder.fromHTML = function(html) {
  var root;
  if (!(root = arguments.callee._root))
    root = arguments.callee._root = document.createElement('div');
  root.innerHTML = html;
  return root.childNodes[0];
};



// Wraps the 1.6 contentloaded event for backwards compatibility
//
// Usage:
//
// Event.onReady(callbackFunction);
Object.extend(Event, {
  onReady : function(f) {
    if (document.body) f();
    else document.observe('dom:loaded', f);
  }
});

// Based on event:Selectors by Justin Palmer
// http://encytemedia.com/event-selectors/
//
// Usage:
//
// Event.addBehavior({
//      "selector:event" : function(event) { /* event handler.  this refers to the element. */ },
//      "selector" : function() { /* runs function on dom ready.  this refers to the element. */ }
//      ...
// });
//
// Multiple calls will add to exisiting rules.  Event.addBehavior.reassignAfterAjax and
// Event.addBehavior.autoTrigger can be adjusted to needs.
Event.addBehavior = function(rules) {
  var ab = this.addBehavior;
  Object.extend(ab.rules, rules);
  
  if (!ab.responderApplied) {
    Ajax.Responders.register({
      onComplete : function() { 
        if (Event.addBehavior.reassignAfterAjax) 
          setTimeout(function() { ab.reload() }, 10);
      }
    });
    ab.responderApplied = true;
  }
  
  if (ab.autoTrigger) {
    this.onReady(ab.load.bind(ab, rules));
  }
  
};

Object.extend(Event.addBehavior, {
  rules : {}, cache : [],
  reassignAfterAjax : false,
  autoTrigger : true,
  
  load : function(rules) {
    for (var selector in rules) {
      var observer = rules[selector];
      var sels = selector.split(',');
      sels.each(function(sel) {
        var parts = sel.split(/:(?=[a-z]+$)/), css = parts[0], event = parts[1];
        $$(css).each(function(element) {
          if (event) {
            observer = Event.addBehavior._wrapObserver(observer);
            $(element).observe(event, observer);
            Event.addBehavior.cache.push([element, event, observer]);
          } else {
            if (!element.$$assigned || !element.$$assigned.include(observer)) {
              if (observer.attach) observer.attach(element);
              
              else observer.call($(element));
              element.$$assigned = element.$$assigned || [];
              element.$$assigned.push(observer);
            }
          }
        });
      });
    }
  },
  
  unload : function() {
    this.cache.each(function(c) {
      Event.stopObserving.apply(Event, c);
    });
    this.cache = [];
  },
  
  reload: function() {
    var ab = Event.addBehavior;
    ab.unload(); 
    ab.load(ab.rules);
  },
  
  _wrapObserver: function(observer) {
    return function(event) {
      if (observer.call(this, event) === false) event.stop(); 
    }
  }
  
});

Event.observe(window, 'unload', Event.addBehavior.unload.bind(Event.addBehavior));

// A silly Prototype style shortcut for the reckless
$$$ = Event.addBehavior.bind(Event);

// Behaviors can be bound to elements to provide an object orientated way of controlling elements
// and their behavior.  Use Behavior.create() to make a new behavior class then use attach() to
// glue it to an element.  Each element then gets it's own instance of the behavior and any
// methods called onxxx are bound to the relevent event.
// 
// Usage:
// 
// var MyBehavior = Behavior.create({
//   onmouseover : function() { this.element.addClassName('bong') } 
// });
//
// Event.addBehavior({ 'a.rollover' : MyBehavior });
// 
// If you need to pass additional values to initialize use:
//
// Event.addBehavior({ 'a.rollover' : MyBehavior(10, { thing : 15 }) })
//
// You can also use the attach() method.  If you specify extra arguments to attach they get passed to initialize.
//
// MyBehavior.attach(el, values, to, init);
//
// Finally, the rawest method is using the new constructor normally:
// var draggable = new Draggable(element, init, vals);
//
// Each behaviour has a collection of all its instances in Behavior.instances
//
var Behavior = {
  create: function() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

      var behavior = function() { 
        var behavior = arguments.callee;
        if (!this.initialize) {
          var args = $A(arguments);

          return function() {
            var initArgs = [this].concat(args);
            behavior.attach.apply(behavior, initArgs);
          };
        } else {
          var args = (arguments.length == 2 && arguments[1] instanceof Array) ? 
                      arguments[1] : Array.prototype.slice.call(arguments, 1);

          this.element = $(arguments[0]);
          this.initialize.apply(this, args);
          behavior._bindEvents(this);
          behavior.instances.push(this);
        }
      };

    Object.extend(behavior, Class.Methods);
    Object.extend(behavior, Behavior.Methods);
    behavior.superclass = parent;
    behavior.subclasses = [];
    behavior.instances = [];

    if (parent) {
      var subclass = function() { };
      subclass.prototype = parent.prototype;
      behavior.prototype = new subclass;
      parent.subclasses.push(behavior);
    }

    for (var i = 0; i < properties.length; i++)
      behavior.addMethods(properties[i]);

    if (!behavior.prototype.initialize)
      behavior.prototype.initialize = Prototype.emptyFunction;

    behavior.prototype.constructor = behavior;

    return behavior;
  },
  Methods : {
    attach : function(element) {
      return new this(element, Array.prototype.slice.call(arguments, 1));
    },
    _bindEvents : function(bound) {
      for (var member in bound)
        if (member.match(/^on(.+)/) && typeof bound[member] == 'function')
          bound.element.observe(RegExp.$1, Event.addBehavior._wrapObserver(bound[member].bindAsEventListener(bound)));
    }
  }
};

Remote = Behavior.create({
  initialize: function(options) {
    if (this.element.nodeName == 'FORM') new Remote.Form(this.element, options);
    else new Remote.Link(this.element, options);
  }
});

Remote.Base = {
  initialize : function(options) {
    this.options = Object.extend({
      evaluateScripts : true
    }, options || {});
  },
  _makeRequest : function(options) {
    if (options.update) new Ajax.Updater(options.update, options.url, options);
    else new Ajax.Request(options.url, options);
    return false;
  }
}

Remote.Link = Behavior.create(Remote.Base, {
  onclick : function() {
    var options = Object.extend({ url : this.element.href, method : 'get' }, this.options);
    return this._makeRequest(options);
  }
});


Remote.Form = Behavior.create(Remote.Base, {
  onclick : function(e) {
    var sourceElement = e.element();
    
    if (['input', 'button'].include(sourceElement.nodeName.toLowerCase()) && 
        sourceElement.type == 'submit')
      this._submitButton = sourceElement;
  },
  onsubmit : function() {
    var options = Object.extend({
      url : this.element.action,
      method : this.element.method || 'get',
      parameters : this.element.serialize({ submit: this._submitButton.name })
    }, this.options);
    this._submitButton = null;
    return this._makeRequest(options);
  }
});

Observed = Behavior.create({
  initialize : function(callback, options) {
    this.callback = callback.bind(this);
    this.options = options || {};
    this.observer = (this.element.nodeName == 'FORM') ? this._observeForm() : this._observeField();
  },
  stop: function() {
    this.observer.stop();
  },
  _observeForm: function() {
    return (this.options.frequency) ? new Form.Observer(this.element, this.options.frequency, this.callback) :
                                      new Form.EventObserver(this.element, this.callback);
  },
  _observeField: function() {
    return (this.options.frequency) ? new Form.Element.Observer(this.element, this.options.frequency, this.callback) :
                                      new Form.Element.EventObserver(this.element, this.callback);
  }
});

// markdown converter
/*
   A A L        Source code at:
   T C A   <http://www.attacklab.net/>
   T K B
*/

var Showdown={};
Showdown.converter=function(){
var _1;
var _2;
var _3;
var _4=0;
this.makeHtml=function(_5){
_1=new Array();
_2=new Array();
_3=new Array();
_5=_5.replace(/~/g,"~T");
_5=_5.replace(/\$/g,"~D");
_5=_5.replace(/\r\n/g,"\n");
_5=_5.replace(/\r/g,"\n");
_5="\n\n"+_5+"\n\n";
_5=_6(_5);
_5=_5.replace(/^[ \t]+$/mg,"");
_5=_7(_5);
_5=_8(_5);
_5=_9(_5);
_5=_a(_5);
_5=_5.replace(/~D/g,"$$");
_5=_5.replace(/~T/g,"~");
return _5;
};
var _8=function(_b){
var _b=_b.replace(/^[ ]{0,3}\[(.+)\]:[ \t]*\n?[ \t]*<?(\S+?)>?[ \t]*\n?[ \t]*(?:(\n*)["(](.+?)[")][ \t]*)?(?:\n+|\Z)/gm,function(_c,m1,m2,m3,m4){
m1=m1.toLowerCase();
_1[m1]=_11(m2);
if(m3){
return m3+m4;
}else{
if(m4){
_2[m1]=m4.replace(/"/g,"&quot;");
}
}
return "";
});
return _b;
};
var _7=function(_12){
_12=_12.replace(/\n/g,"\n\n");
var _13="p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del";
var _14="p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math";
_12=_12.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math|ins|del)\b[^\r]*?\n<\/\2>[ \t]*(?=\n+))/gm,_15);
_12=_12.replace(/^(<(p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|script|noscript|form|fieldset|iframe|math)\b[^\r]*?.*<\/\2>[ \t]*(?=\n+)\n)/gm,_15);
_12=_12.replace(/(\n[ ]{0,3}(<(hr)\b([^<>])*?\/?>)[ \t]*(?=\n{2,}))/g,_15);
_12=_12.replace(/(\n\n[ ]{0,3}<!(--[^\r]*?--\s*)+>[ \t]*(?=\n{2,}))/g,_15);
_12=_12.replace(/(?:\n\n)([ ]{0,3}(?:<([?%])[^\r]*?\2>)[ \t]*(?=\n{2,}))/g,_15);
_12=_12.replace(/\n\n/g,"\n");
return _12;
};
var _15=function(_16,m1){
var _18=m1;
_18=_18.replace(/\n\n/g,"\n");
_18=_18.replace(/^\n/,"");
_18=_18.replace(/\n+$/g,"");
_18="\n\n~K"+(_3.push(_18)-1)+"K\n\n";
return _18;
};
var _9=function(_19){
_19=_1a(_19);
var key=_1c("<hr />");
_19=_19.replace(/^[ ]{0,2}([ ]?\*[ ]?){3,}[ \t]*$/gm,key);
_19=_19.replace(/^[ ]{0,2}([ ]?\-[ ]?){3,}[ \t]*$/gm,key);
_19=_19.replace(/^[ ]{0,2}([ ]?\_[ ]?){3,}[ \t]*$/gm,key);
_19=_1d(_19);
_19=_1e(_19);
_19=_1f(_19);
_19=_7(_19);
_19=_20(_19);
return _19;
};
var _21=function(_22){
_22=_23(_22);
_22=_24(_22);
_22=_25(_22);
_22=_26(_22);
_22=_27(_22);
_22=_28(_22);
_22=_11(_22);
_22=_29(_22);
_22=_22.replace(/  +\n/g," <br />\n");
return _22;
};
var _24=function(_2a){
var _2b=/(<[a-z\/!$]("[^"]*"|'[^']*'|[^'">])*>|<!(--.*?--\s*)+>)/gi;
_2a=_2a.replace(_2b,function(_2c){
var tag=_2c.replace(/(.)<\/?code>(?=.)/g,"$1`");
tag=_2e(tag,"\\`*_");
return tag;
});
return _2a;
};
var _27=function(_2f){
_2f=_2f.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g,_30);
_2f=_2f.replace(/(\[((?:\[[^\]]*\]|[^\[\]])*)\]\([ \t]*()<?(.*?)>?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g,_30);
_2f=_2f.replace(/(\[([^\[\]]+)\])()()()()()/g,_30);
return _2f;
};
var _30=function(_31,m1,m2,m3,m4,m5,m6,m7){
if(m7==undefined){
m7="";
}
var _39=m1;
var _3a=m2;
var _3b=m3.toLowerCase();
var url=m4;
var _3d=m7;
if(url==""){
if(_3b==""){
_3b=_3a.toLowerCase().replace(/ ?\n/g," ");
}
url="#"+_3b;
if(_1[_3b]!=undefined){
url=_1[_3b];
if(_2[_3b]!=undefined){
_3d=_2[_3b];
}
}else{
if(_39.search(/\(\s*\)$/m)>-1){
url="";
}else{
return _39;
}
}
}
url=_2e(url,"*_");
var _3e="<a href=\""+url+"\"";
if(_3d!=""){
_3d=_3d.replace(/"/g,"&quot;");
_3d=_2e(_3d,"*_");
_3e+=" title=\""+_3d+"\"";
}
_3e+=">"+_3a+"</a>";
return _3e;
};
var _26=function(_3f){
_3f=_3f.replace(/(!\[(.*?)\][ ]?(?:\n[ ]*)?\[(.*?)\])()()()()/g,_40);
_3f=_3f.replace(/(!\[(.*?)\]\s?\([ \t]*()<?(\S+?)>?[ \t]*((['"])(.*?)\6[ \t]*)?\))/g,_40);
return _3f;
};
var _40=function(_41,m1,m2,m3,m4,m5,m6,m7){
var _49=m1;
var _4a=m2;
var _4b=m3.toLowerCase();
var url=m4;
var _4d=m7;
if(!_4d){
_4d="";
}
if(url==""){
if(_4b==""){
_4b=_4a.toLowerCase().replace(/ ?\n/g," ");
}
url="#"+_4b;
if(_1[_4b]!=undefined){
url=_1[_4b];
if(_2[_4b]!=undefined){
_4d=_2[_4b];
}
}else{
return _49;
}
}
_4a=_4a.replace(/"/g,"&quot;");
url=_2e(url,"*_");
var _4e="<img src=\""+url+"\" alt=\""+_4a+"\"";
_4d=_4d.replace(/"/g,"&quot;");
_4d=_2e(_4d,"*_");
_4e+=" title=\""+_4d+"\"";
_4e+=" />";
return _4e;
};
var _1a=function(_4f){
_4f=_4f.replace(/^(.+)[ \t]*\n=+[ \t]*\n+/gm,function(_50,m1){
return _1c("<h1>"+_21(m1)+"</h1>");
});
_4f=_4f.replace(/^(.+)[ \t]*\n-+[ \t]*\n+/gm,function(_52,m1){
return _1c("<h2>"+_21(m1)+"</h2>");
});
_4f=_4f.replace(/^(\#{1,6})[ \t]*(.+?)[ \t]*\#*\n+/gm,function(_54,m1,m2){
var _57=m1.length;
return _1c("<h"+_57+">"+_21(m2)+"</h"+_57+">");
});
return _4f;
};
var _58;
var _1d=function(_59){
_59+="~0";
var _5a=/^(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/gm;
if(_4){
_59=_59.replace(_5a,function(_5b,m1,m2){
var _5e=m1;
var _5f=(m2.search(/[*+-]/g)>-1)?"ul":"ol";
_5e=_5e.replace(/\n{2,}/g,"\n\n\n");
var _60=_58(_5e);
_60=_60.replace(/\s+$/,"");
_60="<"+_5f+">"+_60+"</"+_5f+">\n";
return _60;
});
}else{
_5a=/(\n\n|^\n?)(([ ]{0,3}([*+-]|\d+[.])[ \t]+)[^\r]+?(~0|\n{2,}(?=\S)(?![ \t]*(?:[*+-]|\d+[.])[ \t]+)))/g;
_59=_59.replace(_5a,function(_61,m1,m2,m3){
var _65=m1;
var _66=m2;
var _67=(m3.search(/[*+-]/g)>-1)?"ul":"ol";
var _66=_66.replace(/\n{2,}/g,"\n\n\n");
var _68=_58(_66);
_68=_65+"<"+_67+">\n"+_68+"</"+_67+">\n";
return _68;
});
}
_59=_59.replace(/~0/,"");
return _59;
};
_58=function(_69){
_4++;
_69=_69.replace(/\n{2,}$/,"\n");
_69+="~0";
_69=_69.replace(/(\n)?(^[ \t]*)([*+-]|\d+[.])[ \t]+([^\r]+?(\n{1,2}))(?=\n*(~0|\2([*+-]|\d+[.])[ \t]+))/gm,function(_6a,m1,m2,m3,m4){
var _6f=m4;
var _70=m1;
var _71=m2;
if(_70||(_6f.search(/\n{2,}/)>-1)){
_6f=_9(_72(_6f));
}else{
_6f=_1d(_72(_6f));
_6f=_6f.replace(/\n$/,"");
_6f=_21(_6f);
}
return "<li>"+_6f+"</li>\n";
});
_69=_69.replace(/~0/g,"");
_4--;
return _69;
};
var _1e=function(_73){
_73+="~0";
_73=_73.replace(/(?:\n\n|^)((?:(?:[ ]{4}|\t).*\n+)+)(\n*[ ]{0,3}[^ \t\n]|(?=~0))/g,function(_74,m1,m2){
var _77=m1;
var _78=m2;
_77=_79(_72(_77));
_77=_6(_77);
_77=_77.replace(/^\n+/g,"");
_77=_77.replace(/\n+$/g,"");
_77="<pre><code>"+_77+"\n</code></pre>";
return _1c(_77)+_78;
});
_73=_73.replace(/~0/,"");
return _73;
};
var _1c=function(_7a){
_7a=_7a.replace(/(^\n+|\n+$)/g,"");
return "\n\n~K"+(_3.push(_7a)-1)+"K\n\n";
};
var _23=function(_7b){
_7b=_7b.replace(/(^|[^\\])(`+)([^\r]*?[^`])\2(?!`)/gm,function(_7c,m1,m2,m3,m4){
var c=m3;
c=c.replace(/^([ \t]*)/g,"");
c=c.replace(/[ \t]*$/g,"");
c=_79(c);
return m1+"<code>"+c+"</code>";
});
return _7b;
};
var _79=function(_82){
_82=_82.replace(/&/g,"&amp;");
_82=_82.replace(/</g,"&lt;");
_82=_82.replace(/>/g,"&gt;");
_82=_2e(_82,"*_{}[]\\",false);
return _82;
};
var _29=function(_83){
_83=_83.replace(/(\*\*|__)(?=\S)([^\r]*?\S[*_]*)\1/g,"<strong>$2</strong>");
_83=_83.replace(/(\*|_)(?=\S)([^\r]*?\S)\1/g,"<em>$2</em>");
return _83;
};
var _1f=function(_84){
_84=_84.replace(/((^[ \t]*>[ \t]?.+\n(.+\n)*\n*)+)/gm,function(_85,m1){
var bq=m1;
bq=bq.replace(/^[ \t]*>[ \t]?/gm,"~0");
bq=bq.replace(/~0/g,"");
bq=bq.replace(/^[ \t]+$/gm,"");
bq=_9(bq);
bq=bq.replace(/(^|\n)/g,"$1  ");
bq=bq.replace(/(\s*<pre>[^\r]+?<\/pre>)/gm,function(_88,m1){
var pre=m1;
pre=pre.replace(/^  /mg,"~0");
pre=pre.replace(/~0/g,"");
return pre;
});
return _1c("<blockquote>\n"+bq+"\n</blockquote>");
});
return _84;
};
var _20=function(_8b){
_8b=_8b.replace(/^\n+/g,"");
_8b=_8b.replace(/\n+$/g,"");
var _8c=_8b.split(/\n{2,}/g);
var _8d=new Array();
var end=_8c.length;
for(var i=0;i<end;i++){
var str=_8c[i];
if(str.search(/~K(\d+)K/g)>=0){
_8d.push(str);
}else{
if(str.search(/\S/)>=0){
str=_21(str);
str=str.replace(/^([ \t]*)/g,"<p>");
str+="</p>";
_8d.push(str);
}
}
}
end=_8d.length;
for(var i=0;i<end;i++){
while(_8d[i].search(/~K(\d+)K/)>=0){
var _91=_3[RegExp.$1];
_91=_91.replace(/\$/g,"$$$$");
_8d[i]=_8d[i].replace(/~K\d+K/,_91);
}
}
return _8d.join("\n\n");
};
var _11=function(_92){
_92=_92.replace(/&(?!#?[xX]?(?:[0-9a-fA-F]+|\w+);)/g,"&amp;");
_92=_92.replace(/<(?![a-z\/?\$!])/gi,"&lt;");
return _92;
};
var _25=function(_93){
_93=_93.replace(/\\(\\)/g,_94);
_93=_93.replace(/\\([`*_{}\[\]()>#+-.!])/g,_94);
return _93;
};
var _28=function(_95){
_95=_95.replace(/<((https?|ftp|dict):[^'">\s]+)>/gi,"<a href=\"$1\">$1</a>");
_95=_95.replace(/<(?:mailto:)?([-.\w]+\@[-a-z0-9]+(\.[-a-z0-9]+)*\.[a-z]+)>/gi,function(_96,m1){
return _98(_a(m1));
});
return _95;
};
var _98=function(_99){
function char2hex(ch){
var _9b="0123456789ABCDEF";
var dec=ch.charCodeAt(0);
return (_9b.charAt(dec>>4)+_9b.charAt(dec&15));
}
var _9d=[function(ch){
return "&#"+ch.charCodeAt(0)+";";
},function(ch){
return "&#x"+char2hex(ch)+";";
},function(ch){
return ch;
}];
_99="mailto:"+_99;
_99=_99.replace(/./g,function(ch){
if(ch=="@"){
ch=_9d[Math.floor(Math.random()*2)](ch);
}else{
if(ch!=":"){
var r=Math.random();
ch=(r>0.9?_9d[2](ch):r>0.45?_9d[1](ch):_9d[0](ch));
}
}
return ch;
});
_99="<a href=\""+_99+"\">"+_99+"</a>";
_99=_99.replace(/">.+:/g,"\">");
return _99;
};
var _a=function(_a3){
_a3=_a3.replace(/~E(\d+)E/g,function(_a4,m1){
var _a6=parseInt(m1);
return String.fromCharCode(_a6);
});
return _a3;
};
var _72=function(_a7){
_a7=_a7.replace(/^(\t|[ ]{1,4})/gm,"~0");
_a7=_a7.replace(/~0/g,"");
return _a7;
};
var _6=function(_a8){
_a8=_a8.replace(/\t(?=\t)/g,"    ");
_a8=_a8.replace(/\t/g,"~A~B");
_a8=_a8.replace(/~B(.+?)~A/g,function(_a9,m1,m2){
var _ac=m1;
var _ad=4-_ac.length%4;
for(var i=0;i<_ad;i++){
_ac+=" ";
}
return _ac;
});
_a8=_a8.replace(/~A/g,"    ");
_a8=_a8.replace(/~B/g,"");
return _a8;
};
var _2e=function(_af,_b0,_b1){
var _b2="(["+_b0.replace(/([\[\]\\])/g,"\\$1")+"])";
if(_b1){
_b2="\\\\"+_b2;
}
var _b3=new RegExp(_b2,"g");
_af=_af.replace(_b3,_94);
return _af;
};
var _94=function(_b4,m1){
var _b6=m1.charCodeAt(0);
return "~E"+_b6+"E";
};
};



// ================================================================================
// Application Behavior
// ================================================================================

Event.addBehavior ({
  // comments form
  "textarea" : function() {
  },
  
  "textarea:focus" : function() {
    $$(".preview").first().show();
  },
  
  "textarea:keyup" : function(e) {
    //record when this was modified
    // $$("#comment_form textarea").first().modified = new Date();
    // $('preview-loading').show();
    converter = new Showdown.converter();
    $$(".preview").first().down(".message").update(converter.makeHtml($$("#comment_form textarea").first().value));
  },
  
  "input[name='author']" : function() {
    var months = new Array("January", "February", "March", 
    "April", "May", "June", "July", "August", "September", 
    "October", "November", "December");
    
    var now = new Date();    
    $$(".preview").first().select(".comment-date").first().update(months[now.getMonth()] + " " + now.getDate() + " " + now.getFullYear());
    $$(".preview").first().select(".author strong").first().update($(this).value);
  },
  
  "input[name='author']:keyup" : function () {
    $$(".preview").first().select(".author strong").first().update($(this).value);
  }
});

// new PeriodicalExecuter(function(){
//   var now = new Date();
//   var modifiedAgo = now.getTime() - $$("#comment_form textarea").first().modified;
//   if(Ajax.activeRequestCount == 0 && $$("#comment_form textarea").first().modified && modifiedAgo > 500){
//     $$("#comment_form textarea").first().modified = undefined;
//     new Ajax.Request("/preview", {
//       method: "post",
//       parameters: $("comment_form").down("form").serialize(),
//       onSuccess : function(x){
//         $('preview-loading').hide();
//         $$(".preview").first().down(".message").update(x.responseText);
//       }
//     });
//   }
// }, 1);