IE Check
JavaScript
$(document).ready(function () {
var ua = window.navigator.userAgent;
var msie = ua.indexOf("MSIE ");
if (msie > 0) // If Internet Explorer, return version number
alert(parseInt(ua.substring(msie + 5, ua.indexOf(".", msie))));
else // If another browser, return 0
alert('otherbrowser');
return false;
});