function loadContent(url) {
       if (window.XMLHttpRequest) {
           request = new XMLHttpRequest();
       } else if (window.ActiveXObject) { // IE
           request = new ActiveXObject("Microsoft.XMLHTTP");
       }
       request.onreadystatechange = showrequest;
       // request.open('POST', url, true);
       request.open('GET', url, true);
       request.send(null);
   }

   
   function showrequest(){
   		if (request.readyState == 4) {
           if (request.status == 200) {
               document.getElementById('content').innerHTML = request.responseText;
           } else {
			   document.getElementById('content').innerHTML = request.statusText;
           }
       } 		
   }
   
   function pleaseWait(){
   		document.getElementById('content').innerHTML = '<img style=\'padding-left:40px;\' src=\'web_icons/wait_blackball.gif\' width=\'16\' height=\'16\' alt=\'Loading...\'> Loading...';
		//document.getElementById('content').style.height = '900px';
   }