function initRequest() {
     if (window.XMLHttpRequest) {
         return new XMLHttpRequest();
     } else if (window.ActiveXObject) {
         isIE = true;
         return new ActiveXObject("Microsoft.XMLHTTP");
     }
		}
		
		
function run_ajax_login(user,pass,sel) {
							var url = "./ajax_cclogin.php";
							var req = initRequest();
							req.onreadystatechange = function() {
								if (req.readyState == 4)
									if (req.status == 200) {
												if (req.responseText=='false'){
															 // alert('Wrong username or password');
												} else {
															eval(req.responseText);	
															document.uf.action='content.php?sel='+sel;
															document.uf.submit();
												}					
									}
							};
					    req.open("POST", url, true);
					    req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
					    req.send('act=login&user='+user+'&pass='+pass);
}

function run_ajax_logout(aduserid,sel) {
							var url = "./ajax_cclogin.php";
							var req = initRequest();
							req.onreadystatechange = function() {
								if (req.readyState == 4)
									if (req.status == 200) {
												eval(req.responseText);
												document.location.href='content.php?sel='+sel;		
									}
							};
					    req.open("POST", url, true);
					    req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
					    req.send('act=logout&aduserid='+aduserid);
}