var xmlHttp;

function showCat(catTop,catTmp) { 
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null)  {
		alert ("Browser does not support HTTP Request");
		return;
	}
	var url="admin/getcat.php";
	url=url+"?catTop="+catTop;
	url=url+"&catTmp="+catTmp;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged ;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}
	
function stateChanged() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 
		document.getElementById("txtHint").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;
}