var yourBro = []; yourBro.ualc = navigator.userAgent.toLowerCase();
//checks for different browsers
if( document.all && document.getElementById && navigator.savePreferences && ( yourBro.ualc.indexOf( 'netfront' ) < 0 ) && navigator.appName != 'Blazer' ) { yourBro[0] = 'es5'; yourBro[1] = 'Escape 5'; }
else if( navigator.vendor == 'KDE' || ( document.childNodes && ( !document.all || navigator.accentColorName ) && !navigator.taintEnabled ) ) { yourBro[0] = 'kde'; yourBro[1] = 'Konqueror / Safari / OmniWeb 4.5+'; }
else if( navigator.__ice_version ) { yourBro[0] = 'ice'; yourBro[1] = 'ICEbrowser'; }
else if( window.ScriptEngine && ScriptEngine().indexOf( 'InScript' ) + 1 ) { if( document.createElement ) { yourBro[0] = 'ic3'; yourBro[1] = 'iCab 3+'; } else { yourBro[0] = 'icb'; yourBro[1] = 'iCab 2-'; } }
else if( yourBro.ualc.indexOf( 'hotjava' ) + 1 && typeof( navigator.accentColorName ) == 'undefined' ) { yourBro[0] = 'hjv'; yourBro[1] = 'HotJava'; }
else if( document.layers && !document.classes ) { yourBro[0] = 'omn'; yourBro[1] = 'Omniweb 4.2-'; }
else if( document.layers && !navigator.mimeTypes['*'] ) { yourBro[0] = 'esc'; yourBro[1] = 'Escape 4'; }
else if( document.layers ) { yourBro[0] = 'ns4'; yourBro[1] = 'Netscape 4'; }
else if( window.opera && document.childNodes ) { yourBro[0] = 'op7'; yourBro[1] = 'Opera 7+'; }
else if( yourBro.ualc.indexOf( 'opera' ) + 1 ) { yourBro[0] = 'opr'; yourBro[1] = 'Opera 6-'; }
else if( navigator.appName.indexOf( 'WebTV' ) + 1 ) { yourBro[0] = 'wtv'; yourBro[1] = 'WebTV'; }
else if( yourBro.ualc.indexOf( 'netgem' ) + 1 ) { yourBro[0] = 'nbx'; yourBro[1] = 'Netgem NetBox'; }
else if( yourBro.ualc.indexOf( 'opentv' ) + 1 ) { yourBro[0] = 'otv'; yourBro[1] = 'OpenTV'; }
else if( yourBro.ualc.indexOf( 'ipanel' ) + 1 ) { yourBro[0] = 'ipn'; yourBro[1] = 'iPanel MicroBrowser'; }
else if( document.getElementById && !document.childNodes ) { yourBro[0] = 'clu'; yourBro[1] = 'Clue browser'; }
else if( navigator.product == 'Gecko' ) { yourBro[0] = 'gek'; yourBro[1] = 'Gecko engine (Mozilla, Netscape 6+ etc.)'; }
else if( document.getElementById && ( ( yourBro.ualc.indexOf( 'netfront' ) + 1 ) || navigator.appName == 'Blazer' ) ) { yourBro[0] = 'nf3'; yourBro[1] = 'NetFront 3+'; }
else if( document.getElementById ) { yourBro[0] = 'ie5'; yourBro[1] = 'Internet Explorer 5+'; }
else if( document.all ) { yourBro[0] = 'ie4'; yourBro[1] = 'Internet Explorer 4'; }
else if( ( yourBro.ualc.indexOf( 'msie' ) + 1 ) && window.ActiveXObject ) { yourBro[0] = 'pie'; yourBro[1] = 'Pocket Internet Explorer'; }
else { yourBro[0] = 'oth'; yourBro[1] = 'an unknown browser'; }
//perform checks for different operating systems
if( yourBro.ualc.indexOf( 'linux' ) + 1 ) { yourBro[2] = 'lin'; yourBro[3] = 'Linux'; }
else if( yourBro.ualc.indexOf( 'x11' ) + 1 ) { yourBro[2] = 'unx'; yourBro[3] = 'Unix'; }
else if( yourBro.ualc.indexOf( 'mac' ) + 1 ) { yourBro[2] = 'mac'; yourBro[3] = 'MacOS'; }
else if( navigator.platform == 'PalmOS' ) { yourBro[2] = 'plm'; yourBro[3] = 'Palm OS'; }
else if( ( navigator.platform == 'WinCE' ) || ( navigator.platform == 'Windows CE' ) || ( navigator.platform == 'Pocket PC' ) ) { yourBro[2] = 'wce'; yourBro[3] = 'Windows CE'; }
else if( yourBro.ualc.indexOf( 'win' ) + 1 ) { yourBro[2] = 'win'; yourBro[3] = 'Windows'; }
else if( yourBro.ualc.indexOf( 'webtv' ) + 1 ) { yourBro[2] = 'wtv'; yourBro[3] = 'WebTV Platform'; }
else if( yourBro.ualc.indexOf( 'netgem' ) + 1 ) { yourBro[2] = 'ngm'; yourBro[3] = 'Netgem'; }
else if( yourBro.ualc.indexOf( 'opentv' ) + 1 ) { yourBro[2] = 'otv'; yourBro[3] = 'OpenTV Platform'; }
else if( yourBro.ualc.indexOf( 'symbian' ) + 1 ) { 	yourBro[2] = 'sym'; yourBro[3] = 'Symbian'; }
else { yourBro[2] = 'oth'; yourBro[3] = 'an unknown operating system';}
function catchingEvent(aIEevent,aNSevent,aMethod,aBoolean){
	if (yourBro[0] == "ie4" || yourBro[0] == "ie5")
		document.attachEvent(aIEevent,aMethod);
	if (yourBro[0]=="gek")
		document.addEventListener(aNSevent,aMethod,aBoolean);}
function getParentElement(aObject){
	if (yourBro[0] == "ie4" || yourBro[0] == "ie5")
		return aObject.parentElement;
	if (yourBro[0]=="gek")
		return aObject.parentNode;}
function getEvent(aEvent){
	var myEvent = aEvent ? aEvent : window.event;
	return myEvent;}
function getEventObject(aEvent){
	var myEvent = aEvent ? aEvent : window.event;
	if (yourBro[0]=="ie4" || yourBro[0]=="ie5")
		return myEvent.srcElement;
	if (yourBro[0]=="gek")
		return myEvent.target;}
function eventReturnValue(aEvent,aBoolean){
	var myEvent = aEvent ? aEvent : window.event;
	if (yourBro[0]=="ie4" || yourBro[0]=="ie5")
		myEvent.returnValue=aBoolean;
	if (yourBro[0]=="gek")
		myEvent.preventDefault();}
function eventcancelBubble(aEvent,aBoolean){
	var myEvent = aEvent ? aEvent : window.event;
	if (yourBro[0]=="ie4" || yourBro[0]=="ie5")
		myEvent.cancelBubble=aBoolean;
	if (yourBro[0]=="gek")
		myEvent.stopPropagation();}
function Object(aName){
	//isMozilla || isIE5	
	if (document.getElementById)
  		return  document.getElementById(aName);
  	//isNetscape4
	else if (document.all)
		return  document.all[aName];
	//isIE4
	else if (document.layers)
   		return  document.layers[aName];}
function getCursorX(aEvent){
	var myEvent = aEvent ? aEvent : window.event;
	if (yourBro[0]=="ie4" || yourBro[0]=="ie5")
		return myEvent.clientX + document.documentElement.scrollLeft + document.body.scrollLeft;
	if (yourBro[0]=="gek")
		return myEvent.clientX + window.scrollX;}
function getCursorY(aEvent){
	var myEvent = aEvent ? aEvent : window.event;
	if (yourBro[0]=="ie4" || yourBro[0]=="ie5")
		return  myEvent.clientY + document.documentElement.scrollTop + document.body.scrollTop;
	if (yourBro[0]=="gek")
		return  myEvent.clientY + window.scrollY;}