function getOrderList(vAction,bid,cid,pid) {
	    document.getElementById("orderLister").innerHTML = '<center><img src="images/loading.gif"> Loading List...</center>';
		xmlhttp = createXHR();
		if(vAction=="brand") {
		   checkurl = "orderList.php?action=view&bid="+bid;
		} 
		else
		if(vAction=="category") {
		   checkurl = "orderList.php?action=view&bid="+bid+"&cid="+cid;
		}
		else
		if(vAction=="product") {
		   checkurl = "orderList.php?action=view&bid="+bid+"&cid="+cid+"&pid="+pid;
		} else {
		   checkurl = "orderList.php?action=add";
		}

		if (xmlhttp){
			xmlhttp.onreadystatechange=showCheckList;
			xmlhttp.open("GET", checkurl, true);
			xmlhttp.send(null);
		}
 }

 function manageCart(cAction,pid,qty) {
		document.getElementById("orderContainner").innerHTML = '<center><img src="images/loading.gif"></center>';
		xmlhttp2 = createXHR();
		if(cAction=="add") {
		   checkurl = "orderCart.php?action=add&pid="+pid+"&qty="+qty;
		} 
		else
		if(cAction=="drop") {
		   checkurl = "orderCart.php?action=drop&pid="+pid;
		} 
		else
		if(cAction=="edit") {
		   checkurl = "orderCart.php?action=edit&pid="+pid;
		} 
		else
		{
		   checkurl = "orderCart.php";
		} 
		

		if (xmlhttp2){
			xmlhttp2.onreadystatechange=showOrderList;
			xmlhttp2.open("GET", checkurl, true);
			xmlhttp2.send(null);
		}
 }

 function getOrderForm() {
		document.getElementById("orderContainner").innerHTML = '<center><img src="images/loading.gif"></center>';
		xmlhttp3 = createXHR();
		checkurl = "orderForm.php";

		if (xmlhttp3){
			xmlhttp3.onreadystatechange=showOrderForm;
			xmlhttp3.open("GET", checkurl, true);
			xmlhttp3.send(null);
		}
 }
 
 function createXHR() {
	var request = null;
	if (window.XMLHttpRequest){
		request=new XMLHttpRequest();
	}
	else if (window.ActiveXObject){    
		try {
			request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e) {
			try {
				request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch(e) {
				request = false;
			}
		}
	}
	return request;
 }

 function showCheckList() {
	if (xmlhttp.readyState==4){
		if (xmlhttp.status==200) {
			var listContainner = xmlhttp.responseText;
			document.getElementById("orderLister").innerHTML = listContainner;	
		}      
	}
 }

 function showOrderList() {
	if (xmlhttp2.readyState==4){
		if (xmlhttp2.status==200) {
			var orderContainnerText = xmlhttp2.responseText;
			document.getElementById("orderContainner").innerHTML = orderContainnerText;	
		}      
	}
 }

 function showOrderForm() {
	if (xmlhttp3.readyState==4){
		if (xmlhttp3.status==200) {
			var formText = xmlhttp3.responseText;
			document.getElementById("orderContainner").innerHTML = formText;	
		}      
	}
 }