var XMLHttpRequestObject = false; 

function createXMLHttpRequest(){
      if (window.XMLHttpRequest) {
        XMLHttpRequestObject = new XMLHttpRequest();
      } else if (window.ActiveXObject) {
        XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
      }
}

function ajaxFunction(url,innerID){
	
	createXMLHttpRequest();
	if(XMLHttpRequestObject) {
		var obj = document.getElementById(innerID); 
		//obj.innerHTML="Hello guys.";
		 
		XMLHttpRequestObject.onreadystatechange = function() 
		{ 
			if (XMLHttpRequestObject.readyState == 4 && 
				XMLHttpRequestObject.status == 200) { 
				obj.innerHTML = XMLHttpRequestObject.responseText;
			} 
		} 
	XMLHttpRequestObject.open("GET", url);
	XMLHttpRequestObject.send(null); 
	}
}

function chkUser(){
	createXMLHttpRequest();

	var urlCheck;
		var uname = document.getElementById("UserName").value;
		var pwd = document.getElementById("Password").value;
		urlCheck = "/www/member/login_process.php?user="+uname+"&passwd="+pwd;
		alert(urlCheck);
	if(XMLHttpRequestObject){
		XMLHttpRequestObject.open("GET",urlCheck,true);
		//window.lcation.href="index.html";
		XMLHttpRequestObject.onreadystatechange = getResultLogin;
		XMLHttpRequestObject.send(null);
	}
}
function getResultLogin(){
	if(XMLHttpRequestObject.readyState == 4 && 
		XMLHttpRequestObject.status == 200){
		//document.getElementById("welcome").innerHTML = XMLHttpRequestObject.responseText;
		window.location="/www/index.php";
	}
}

function updateBasket(invtrefupdate,action,mparent){
	if(action=="update"){
		var strQtyupdate;
		var urlUpdate;
		qty = parseInt(document.getElementById("qty_"+invtrefupdate).value);
		qty52 = parseInt(document.getElementById("qty52_"+invtrefupdate).value);
		qty54 = parseInt(document.getElementById("qty54_"+invtrefupdate).value);
		qty56 = parseInt(document.getElementById("qty56_"+invtrefupdate).value);
		qty58 = parseInt(document.getElementById("qty58_"+invtrefupdate).value);
		var total = parseInt(qty+qty52 + qty54 + qty56 + qty58);
		if(mparent=='s' && total<15 ){
			alert("Your order must more than 14 items");
			window.location="shoppingbag.php";
			return;
		}else if(mparent=='g' && total < 3){
			alert("Your order must more than 2 items");
			window.location="shoppingbag.php";
			return;
		}
		strQtyupdate = "qty="+qty+"&qty52="+qty52+"&qty54="+qty54+"&qty56="+qty56+"&qty58="+qty58;
		urlUpdate = "updatebasket.php?item="+ invtrefupdate + "&total="+total+"&"+strQtyupdate+"&metal=mparent";
	}else{
		urlUpdate = "removeitems.php?item="+invtrefupdate;
	}
	createXMLHttpRequest();
	XMLHttpRequestObject.onreadystatechange = handleRefreshBasket;
	XMLHttpRequestObject.open("GET", urlUpdate, true);
	XMLHttpRequestObject.send(null);
}
function handleRefreshBasket(){
	if(XMLHttpRequestObject.readyState==4){
		if(XMLHttpRequestObject.status==200){
			window.location="shoppingbag.php";
		}
	}
}