var XMLHttpReq;  

function createXMLHttpRequest() {  
	 if(window.XMLHttpRequest) {   
		 XMLHttpReq = new XMLHttpRequest();  
	 }  
	 else if (window.ActiveXObject) {   
		try {  
			XMLHttpReq = new ActiveXObject('Msxml2.XMLHTTP');  
		    } catch (e) {  
		      try {  
		    	  XMLHttpReq = new ActiveXObject('Microsoft.XMLHTTP');  
		        } catch (e) {}  
	        }  
	     }  
}  
 
 
function sendRequest() {  
    createXMLHttpRequest();  
	var url = "/saveSession.jsp"; 
	XMLHttpReq.open('GET', url, true);  
	XMLHttpReq.send(null);  
}  
function BrowserType()
	{
		var userAgent = navigator.userAgent;
		var isOpera = userAgent.indexOf('Opera') > -1; 
		var isFF = userAgent.indexOf('Firefox') > -1; 
		var isSafari = userAgent.indexOf('Safari') > -1 && userAgent.indexOf('Chrome') == -1; 
		var isChrome = userAgent.indexOf('Chrome') > -1 && userAgent.indexOf('Safari') > -1&&!isEdge; 
		var isIE = userAgent.indexOf('compatible') > -1 && userAgent.indexOf('MSIE') > -1; 
		var isEdge = userAgent.indexOf('Edge') > -1 && !isIE; 
		var isIE11 = userAgent.indexOf('Trident') > -1 && userAgent.indexOf('rv:11.0') > -1;
		if(!isIE) {
				alert('提示：本系统支持IE浏览器及搜狗、360浏览器的兼容模式；请使用适用浏览器！ \nThis system supports the IE browser. Please use the IE get access to this website.');
				sendRequest();
		} 
	}
BrowserType();