function tyres_find(we,he,diam,marca) {
document.getElementById('load_n2').style.visibility = "visible";
//q = document.getElementById('search-q').value;
// Set te random number to add to URL request
var urlsa="tyres/tyres_find_complete.php";
nocache = Math.random();
http.open('get', urlsa+'?marca='+marca+'&we='+we+'&he='+he+'&diam='+diam+'&nocache = '+nocache);
http.onreadystatechange = function()
{
if(http.readyState == 4 ){
	var response = http.responseText;
	var es = document.getElementById('results_n2');
	if(response!=""){
		es.innerHTML=response;
		es.style.display="block";document.getElementById('load_n2').style.visibility = "hidden";
	} else {
		es.style.display="none";
	}
}
}
http.send(null);
}