var xmlHttp_cart
function nothing(){
	return;	
}
function cartridgeSearch(id_make,comp,id_agent)
{ 
//document.getElementById("search_popup").style.display = "block";
var cartridge_search=document.cartridge_form.cartridge_search_text.value;
if (cartridge_search=='Type your cartridge or printer model here'){
	cartridge_search='';	
}
	if (id_make==''){
	id_make=document.cartridge_form.id_make.value;
	}
	document.cartridge_form.id_make.value=id_make;
	if (comp==''){
	comp=document.cartridge_form.comp.value;
	}
	if (comp=='no'){
		comp='';	
	}
	document.cartridge_form.comp.value=comp;	
	
xmlHttp_cart=GetXmlHttpObject()

if (xmlHttp_cart==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="cartridge_search.php"
url=url+"?cartridge_search="+cartridge_search
url=url+"&comp="+comp
url=url+"&id_make="+id_make
url=url+"&id_agent="+id_agent
url=url+"&sid="+Math.random();
xmlHttp_cart.onreadystatechange=stateChanged_cart 
xmlHttp_cart.open("GET",url,true)
xmlHttp_cart.send(null)
}

function stateChanged_cart() 
{ 
if (xmlHttp_cart.readyState==4 || xmlHttp_cart.readyState=="complete")
 { 
 document.getElementById("cartridge_search").innerHTML=xmlHttp_cart.responseText;
 } 
}