var UA = "";
UA = navigator.userAgent.toLowerCase();
if(UA.indexOf("firefox") != -1)        var Browser = "Firefox";
else if(UA.indexOf("safari") != -1)    var Browser = "Safari";
else if(UA.indexOf("opera") != -1)	   var Browser = "Opera";
else if(UA.indexOf("netscape") != -1)  var Browser = "Netscape";
else if(UA.indexOf("msie") != -1)      var Browser = "IE";