function makeObject(){
	var x;
	if (window.ActiveXObject) {
		x = new ActiveXObject("Microsoft.XMLHTTP");
	}else if (window.XMLHttpRequest) {
		x = new XMLHttpRequest();
	}
	return x;
}
var request = makeObject(); 

var the_content;
function check_content(the_content){
	request.open('get', the_content);
	request.onreadystatechange = parseCheck_content;
	request.send('');
}

function parseCheck_content(){
	if(request.readyState == 1){
		var loadingOutput = "loading...";
		document.getElementById('categoryHolder').innerHTML = loadingOutput;
	}
	if(request.readyState == 4){
		var answer = request.responseText;
		document.getElementById('categoryHolder').innerHTML = answer;
	}
}