function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer")
	{
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }
	else
	{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

function sndReq(strURL) 
{
    http.open('get', strURL);
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() 
{
	var oDiv;
    if(http.readyState == 4)
	{
        var response = http.responseText;
		oDiv = document.getElementById("divCatTests");
		oDiv.innerHTML = response;
    }
}