function track_order(orderNo,opt)
{
		if(opt=="top")
				document.getElementById("nam").value =  document.getElementById("name1").value;
		else
				document.getElementById("name1").value =  document.getElementById("nam").value;
		

		if(Trim(document.getElementById('nam').value) == "")
		{
			alert("Please Enter Order Number.");
			document.getElementById('nam').focus();
			return false;
		}
		var url = "ajax_trackorder.php?orderNo="+orderNo;
		var isWorking = false;
		if (!isWorking)
		{
				isWorking = true;
				if (window.XMLHttpRequest)
			  	{
					http_change_status=new XMLHttpRequest();
			  		http_change_status.open("GET",url, true);
				  	http_change_status.onreadystatechange = handleHttpResponsePreviewImage;
				  	http_change_status.send(null);
			  	}
				// code for IE
				else if (window.ActiveXObject)
			  	{
			  		http_change_status=new ActiveXObject("Microsoft.XMLHTTP");
			    	if (http_change_status)
			    	{
			    		http_change_status.open("GET",url, true);
			    		http_change_status.onreadystatechange=handleHttpResponsePreviewImage;
			    		http_change_status.send();
			    	}
			  	}
		   return false;
	  	}
}
function handleHttpResponsePreviewImage()
{
		var temp;
		temp="";
		var iid;
		var tmp_color;
		
		if (http_change_status.readyState == 4)
		{
//		alert(http_change_status.responseText);
			var xmlDocument = http_change_status.responseXML;
			var obj_arr = xmlDocument.getElementsByTagName('list');
			//alert(obj_arr);
			
			
			var count = xmlDocument.getElementsByTagName('count').item(0).firstChild.data;
			var orderNo = xmlDocument.getElementsByTagName('orderno').item(0).firstChild.data;
			var vStatus = xmlDocument.getElementsByTagName('vstatus').item(0).firstChild.data;
		//	alert(vStatus);
			var temp="<table><tr><td><h4><font color='#ff0000'>"; 
			
			if(vStatus == "0"){ 
				temp+= " No order found. Please check your order invoice no.";
			}
			else
			{ 
				temp += "<span class='greymatter_2'>Order Status : </span><span style='text-transform: uppercase'>"+vStatus+"</span>"; 
				
			} temp+="</h4></font></td></tr></table>";
			
			temp+='';

			if(count > 0 && vStatus != "0") 
			{
	 			//document.getElementById('order_detail').style.display = "";
				document.getElementById('order').innerHTML = temp;
			}
			else
			{
				document.getElementById('order_detail').style.display = "none";
				document.getElementById('order').innerHTML = temp;
			}
		}	
		else
		{
			temp='<table class=listing-border" width="100%"  border="0" align="center" cellpadding="0" cellspacing="0"><tr><td align="center"><img src="images/loadingAnimation.gif"/></td></tr></table>';		
			document.getElementById('order').innerHTML=temp;
		}
}