function listFamilies(brand){
	if (brand=='')
	{
		document.all['family'].innerHTML = "<select name=\"family2\" disabled=true>	<option value=\"\">2) Printer Series</option>	</select>"
		return false;
	}
	var xml = createReq();
	xml.open("GET","/ajax_families_of_brand.asp?brand="+brand, false);
	xml.send(null);
	document.all['family'].innerHTML = xml.responseText;



}


function listModels(brand){
	if (brand=='')
	{
		document.all['models'].innerHTML = "<select name=\"model\" disabled=true>	<option value=\"\">3) Models for ...</option>	</select>"
		return false;
	}
	var xml = createReq();
	xml.open("GET","/ajax_models_of_brand.asp?brand="+brand, false);
	xml.send(null);
	document.all['models'].innerHTML = xml.responseText;



}


function listOEMs(brand){
	if (brand=='')
	{
		document.all['cartridgeorprinter'].innerHTML = "<select name=\"model\" disabled=true>	<option value=\"\">3) Cartridge Numbers ...</option>	</select>"
		return false;
	}
	var xml = createReq();
	xml.open("GET","/ajax_oems_of_brand.asp?brand="+brand, false);
	xml.send(null);
	document.all['cartridgeorprinter'].innerHTML = xml.responseText;
	document.all['ororand'].innerHTML = "<B>or</B>";



}

function listModels2(family,brand){
	if (brand=='' || family =='')
	{
		document.all['cartridgeorprinter'].innerHTML = "<select name=\"model\" disabled=true>	<option value=\"\">3) Models for ...</option>	</select>"
		return false;
	}
	var xml = createReq();
	xml.open("GET","/ajax_models_of_family.asp?brand="+brand+"&family="+family, false);
	xml.send(null);
	document.all['cartridgeorprinter'].innerHTML = xml.responseText;
	document.all['ororand'].innerHTML = "";



}

function createReq(){

	try	{	return new ActiveXObject("msxml2.XMLHTTP");	}	catch (e)	{	}

	try	{	return new ActiveXObject("Microsoft.XMLHTTP");	}	catch (e)	{	}

	try	{	return new XMLHttpRequest();	}	catch (e)	{	}

	alert("Not supported!");

	return null;
}