function AddtoCart(iProductId,iCategoryId,flag)
{
	
		if(flag == "true")
		{
			if(document.addcart.iQty)
			{
				iQty = document.addcart.iQty.value;
				ext = "&iQty="+iQty+"&flag="+flag;
				var flag = "true";
			}
			var ext="&flag=true";	
		}
		else
		{
			var ext="&flag=false";
		}

	var url = "ajax_shoppingCart.php?iProductId="+iProductId+"&iCategoryId="+iCategoryId+ext;
	if (window.XMLHttpRequest)
  	{
  		http=new XMLHttpRequest()
  		http.open("GET",url,true)
	  	http.onreadystatechange=GetCart
	  	http.send(null)
  	}
	// code for IE
	else if (window.ActiveXObject)
  	{
  		http=new ActiveXObject("Microsoft.XMLHTTP")
    	if (http)
    	{
    		http.open("GET",url,true)
    		http.onreadystatechange=GetCart
    		http.send()
    	}
  	}
	
}

function GetCart()
{
	if (http.readyState == 4) 
	{	
    	isWorking = false;
    	if (http.responseText.indexOf('invalid') == -1) 
		{
			var xmlDocument = http.responseXML; 
			var exist = xmlDocument.getElementsByTagName('exist').item(0).firstChild.data;
			if(exist == "0")
			{
				TB_show("Shopping Cart", "#TB_inline?height=85&width=450&inlineId=cart_failed", "");
			}
			else
			{
				var totalitm = xmlDocument.getElementsByTagName('carttotal').item(0).firstChild.data;
				var gtotal = xmlDocument.getElementsByTagName('grandtotal').item(0).firstChild.data;
				var flag = xmlDocument.getElementsByTagName('flag').item(0).firstChild.data;
				//document.getElementById('totalItem').innerHTML = totalitm;
				//document.getElementById('totalPrice').innerHTML = gtotal;
				TB_show("Shopping Cart", "#TB_inline?height=85&width=450&inlineId=cart_message", "");
			}
		}
	}
}
function view_cart()
{
	window.location = site_url+'index.php?file=c-shoppingcart';
	return false;
}