//javascript

function sendPass(){
	request1=createRequest();
	var user=document.getElementById("username").value;
	if(user.length > 3){
	var data = "temp=1" + "&user=" + escape(user);
	var url = "engine/index_engine.php";
	passRequest(request1,url,data);
	}else{
		alert("Enter the user name in the field.");
	}
}

function passRequest(request1, url,data) {
	request1.onreadystatechange = passDisplay;
	request1.open("POST", url, true);
	request1.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	request1.send(data);
}

function passDisplay(){
	dispProgress();
	if (request1.readyState == 4){
		hideProgress();
		//Error output from php page.
		errCheck(request1);
		
		//Real worker
		var xmlDoc = request1.responseXML;
		var xmlMSG = xmlDoc.getElementsByTagName("message")[0];
		var newMSG = xmlMSG.firstChild.nodeValue;
		if(newMSG.length > 0){
			alert(newMSG);
		}
		request1=createRequest();
	}
}