function checkCartStateChange() 
{ 
   if (xmlHttp.readyState==4)
   { 
	  if(xmlHttp.responseText.match("SUCCESS"))   
	  {
				var getAddress =   window.location.href.substr(7);
		var addresses = getAddress.split("/");
		var mainPage = addresses[1].split("?");
		document.temp.action = window.location.href.substr(0,7) + addresses[0]+"/"+mainPage[0]+"?page=viewCart";
		document.temp.submit();
	  }
	  else
	     alert("You have zero item in your cart");		 
   }
}
function checkCart()
{    
	xmlHttp=getXmlHttpObject();                                                            
   if (xmlHttp==null)
   {
      alert ("Your browser does not support AJAX!");
      return;
   }
   		var getAddress =   window.location.href.substr(7);
		var addresses = getAddress.split("/");
		var mainPage = addresses[1].split("?");
		var titlehttp = window.location.href.substr(4,5);
		if(titlehttp.match("s"))
		{
			var url="https://www.opals-australia.com.au/interface/checkCart.php";
			
		}
		else
		{
			var url="http://www.opals-australia.com.au/interface/checkCart.php";
		}
    
   xmlHttp.onreadystatechange=checkCartStateChange;
   xmlHttp.open("GET",url,true);
   xmlHttp.send(null);
}