function event_controller(){
	this.addHandler = function(object, event, handler){
	if(object==null){
		return!1;
	}
	  if (typeof object.addEventListener != 'undefined')
	    object.addEventListener(event, handler, false);
	  else if (typeof object.attachEvent != 'undefined')
	    object.attachEvent('on' + event, handler);
	  else
	    throw "Incompatible browser";
	}

	this.removeHandler = function(object, event, handler)
	{
	  if (typeof object.removeEventListener != 'undefined')
	    object.removeEventListener(event, handler, false);
	  else if (typeof object.detachEvent != 'undefined')
	    object.detachEvent('on' + event, handler);
	  else
	    throw "Incompatible browser";
	}

	this.onLoad = function(f) {
	   var root = window.addEventListener || window.attachEvent ? window : document.addEventListener ? document : null
	   if (root){
	      if(root.addEventListener) root.addEventListener("load", f, false)
	      else if(root.attachEvent) root.attachEvent("onload", f)
	   } else {
	      if(typeof window.onload == 'function') {
	         var existing = window.onload
	         window.onload = function() {
	            existing()
	            f()
	         }
	      } else {
	         window.onload = f
	      }
	   }
	}

	this.onHtmlLoad = function (f){
	(function(i) {
	  var u = navigator.userAgent.toLowerCase();
	  var ie = /*@cc_on!@*/false;
	  if (/webkit/.test(u)) {
	    // safari
	    timeout = setTimeout(function(){
				if ( document.readyState == "loaded" || 
					document.readyState == "complete" ) {
					i();
				} else {
				  setTimeout(arguments.callee,10);
				}
			}, 10); 
	  } else if ((/mozilla/.test(u) && !/(compatible)/.test(u)) ||
	             (/opera/.test(u))) {
	    // opera/moz
	    document.addEventListener("DOMContentLoaded",i,false);
	  } else if (ie) {
	    // IE
	    (function (){ 
	      var tempNode = document.createElement('document:ready'); 
	      try {
	        tempNode.doScroll('left'); 
	        i(); 
	        tempNode = null; 
	      } catch(e) { 
	        setTimeout(arguments.callee, 0); 
	      } 
	    })();
	  } else {
	    window.onload = i;
	  }
	})(f);
	}
}

Function.prototype.bind = function(object) {
    var method = this
    return function() {
        return method.apply(object, arguments) 
    }
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();