function MM_effectShake(targetElement)
{
	Spry.Effect.DoShake(targetElement);
}

var go = '';

function doCompletion() {
	var url = "./checklogin.php?username=" + escape(window.document.getElementById("username").value) + "&password=" + escape(window.document.getElementById("password").value);
    var req = new XMLHttpRequest();	
	req.onreadystatechange = function() {
				if (req.readyState == 4) {
					go = req.responseXML.getElementsByTagName("id")[0].childNodes[0].nodeValue;
							if(go == 'yes'){
								document.myform.submit();
							}else{
								MM_effectShake('apDiv1');
							}

				}
				
			};
	req.open("GET", url, true);
	req.send(null);
	return false;
}