function xmlhttpPost(strURL,resultFun)
{
	//alert(strURL);
	//var xmlHttpReq = false;
	//var self = this;
	var aRequest;
	// Mozilla/Safari
	if (window.XMLHttpRequest)	{
		aRequest= new XMLHttpRequest();
	}
	// IE
	else if (window.ActiveXObject)	{
		aRequest = new ActiveXObject("Microsoft.XMLHTTP");
	}
	aRequest.open('POST', strURL, true);
	//self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	aRequest.onreadystatechange = function() {
		if (aRequest.readyState == 4) {
			var str=aRequest.responseText;
			//alert(str);
			if (resultFun == "emp")
				document.getElementById("detail").innerHTML = str;
			if (resultFun == "cat")
				document.getElementById("cat").innerHTML = str;
		}
	}
	aRequest.send(null);
}