var xmlHttp

function filterModels(mdlFilter) {
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request")
		return
	}
	
	var url="../php/x_filtered_new.php"
	url=url+"?sid="+Math.random()
	url=url+"&filter=" + mdlFilter
	xmlHttp.onreadystatechange=stateChangedMake 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChangedMake() {
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
//	alert("filterModels" + xmlHttp.responseText)
		Write('new', xmlHttp.responseText)
	} 
}

function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
 		// Firefox, Opera 8.0+, Safari
 		xmlHttp=new XMLHttpRequest();
 	}
	catch (e) {
 		//Internet Explorer
 		try {
  		xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  	}
	catch (e) {
  	xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;

}