XML Http Requests

[Porl123]

	function ajaxCon() {
	var xmlhttp = false;
	if(window.XMLHttpRequest) {
		xmlhttp = XMLHttpRequest;
	} else {
		xmlhttp = new ActiveXObject('Microsoft.XMLHTTP');
	}
	if(xmlhttp != 'false') {
		return xmlhttp;
	}
}
var xmlContent = ajaxCon();
if(xmlContent == false) {
	alert('Bad browser.');
} else {
	xmlContent.open('GET', 'http://www.google.com', true);
	xmlContent.send();
	xmlContent.onreadystatechange = function() {
		if(xmlContent.readyState == 4) {
			alert(xmlContent.responseText);
		}
	}
}

 

Hi, I'm quite new to javascript/ajax and I'm not really sure why this isn't working. I just copied this from a few tutorials and edited it. What I want it to do is to get the contents of the page. I've just put in google as an example. Can anyone see where I've gone wrong? Thanks!