function getIEversion (){
	var browser=navigator.appName;
	var b_version=navigator.appVersion;
	var version=parseInt(b_version);
	var arrV = b_version.split("(");
	var vArr = arrV[1].split(";");
	var ieVersion = 0;
	for (var i = 0; i < vArr.length; i++) {
		var tempStr = vArr[i].substring(0,5);
		tempStr = tempStr.split(" ").join("");
		if (tempStr == "MSIE") {
     		ieVersion = parseFloat(vArr[i].substring(vArr[i].length - 3, vArr[i.length]));
		}
	}
	return ieVersion;
}