function getXMLHTTPRequest() {
		 try { req = new XMLHttpRequest(); } 
			catch(err1) { 
		 	try { req = new ActiveXObject("Msxml2.XMLHTTP"); } 
				catch (err2) { 
				try { req = new ActiveXObject("Microsoft.XMLHTTP"); } 
				catch (err3) { req = false; } 
				} 
			} return req; 
		 } 
		 
		 var http = getXMLHTTPRequest(); 
		 
		 function checklinks() { 
		 	var txt = ''; 
			var j = document.getElementsByTagName('a').length; 
			for(var i = 0; i < (j-1); i++) // iterate through the links 
				{ lnk = document.getElementsByTagName('a')[i]; 
				  txt = txt + lnk.href + "|"; // build the link list 
				} lnk = document.getElementsByTagName('a')[j-1]; 
			
			txt = txt + lnk.href; // no divider after last one 
			
			var myurl = '/checklinks/linkchecker.php?list='; 
			myRand = parseInt(Math.random()*999999999999999); 
			var modurl = myurl+txt+"&rand="+myRand; 
			http.open("GET", modurl, true); 
			http.onreadystatechange = useHttpResponse; 
			http.send(null); } 
			
		function useHttpResponse() {
		 if (http.readyState == 4) { 
			if(http.status != 200) { 
				alert('Link Check Problem'); 
			} 
		} 
	}