function vSafari() {
	var ua = navigator.userAgent.toLowerCase();	
	

if ((ua.indexOf('safari/') != -1) && !(WebKitDetect.versionIsAtLeast("500"))){

return 2;
}
else if ((ua.indexOf('safari/') != -1) && WebKitDetect.versionIsAtLeast("500")){
return 3;
}

else { return -1;}
}
	
	
function vIE(){return (navigator.appName=='Microsoft Internet Explorer')?parseFloat((new RegExp("MSIE ([0-9]{1,}[.0-9]{0,})")).exec(navigator.userAgent)[1]):-1;}