var xmlHttp
var basePath = "http://www.gtp.com.au/~paramounts/";

function getModels(str) {
	if (str.length==0) { 
  		document.getElementById("printerModel").innerHTML="<option>Choose</option>";
  		return;
  	}

	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null) {
		alert ("Your browser does not support AJAX!");
	  	return;
	} 
	
	var url=basePath+"getmodels.php?q="+str;

//	alert(url); 
	
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
} 
	
function stateChanged() { 
	if (xmlHttp.readyState==4) { 
	if (xmlHttp.responseText == null) {
		alert ("No data");
	}

		document.getElementById("ieSucks").innerHTML= 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;
}