// JavaScript Document
function EmptyProducts() 
{
   document.getElementById("product").options.length = 0;
}
	
function showProduct(str) {
	EmptyProducts();
	var url="showproduct.php?sid=" + Math.random() + "&categoryid=" + str
	xmlHttp=GetXmlHttpObject(categoryChanged)
	
	xmlHttp.open("GET", url , true)
	xmlHttp.send(null)
}

function categoryChanged() { 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
   	var xmlresp=xmlHttp.responseText;
   	var arrxml = xmlresp.split("<delim>");
   	var cities = arrxml[0];
   	var arrCities=cities.split("|");
   	document.getElementById("product").options[0] = new Option("Select a Product","");
   	for (i=0;i<arrCities.length-1;i++) {
   		if (arrCities[i].length>0) {
   			var arrCities_split = arrCities[i].split("/");
   			document.getElementById("product").options[i+1] = new Option(arrCities_split[1],arrCities_split[0]);
   		}
   	}
   } 
}