function addListener(element,type,expression,bubbling){bubbling=bubbling||false;if(window.addEventListener){element.addEventListener(type,expression,bubbling);return true;}else if(window.attachEvent){element.attachEvent('on'+type,expression);return true;}else return false;}
function removeListener(element,type,expression,bubbling){bubbling=bubbling||false;if(window.removeEventListener){if(!element.removeEventListener(type,expression,bubbling))return false;return true;}else if(window.detachEvent){if(!element.detachEvent('on'+type,expression))return false;return true;}else return false;}
function clearElement(element){while(element.firstChild)element.removeChild(element.firstChild);}
function getXmlHttpRequestObject(){if(window.XMLHttpRequest){return new XMLHttpRequest();}else if(window.ActiveXObject){return new ActiveXObject("Microsoft.XMLHTTP");}}
function getElementsByClassName(classname,node){if(!node)node=document.getElementsByTagName("body")[0];var a=[];var re=new RegExp('\\b'+classname+'\\b');var els=node.getElementsByTagName("*");for(var i=0,j=els.length;i<j;i++)
if(re.test(els[i].className))a.push(els[i]);return a;}
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: "Chrome", identity: "Chrome"}, { string: navigator.userAgent, subString: "OmniWeb", versionSearch: "OmniWeb/", identity: "OmniWeb" }, { string: navigator.vendor, subString: "Apple", identity: "Safari", versionSearch: "Version" }, { 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" }, { 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" }, { 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.userAgent, subString: "iPhone", identity: "iPhone/iPod" }, { string: navigator.platform, subString: "Linux", identity: "Linux" } ] };
BrowserDetect.init();