method not being passed ajax request results

[JamieJelly]

I wrote a small script which was a bit messy, a simple autocomplete thing. I decided to rewrite it as a javascript object, but now the results from my ajax call are not being passed to the handler method... I can't work out why. This is a brief overview of what I have now:

var aC = {
addEvent: function() {...},
init: function() {
	aC.search = document.getElementById('search');
		
	aC.addEvent(aC.search, 'keyup', aC.doLookup, false);
},

doLookup: function() {
	var qs = '?search=' + aC.search.value;
	var xmlhttp = new Ajax();
	xmlhttp.doGet('check.php' + qs, aC.handleLookup);
},

handleLookup: function(str) {
        alert(str.value);
},

search: '';
};

aC.addEvent(window, 'load', aC.init, false);

Previously, when all of this was outside a function it worked fine... can anyone shead any light on this for me?

thanks

[DougBTX]

The obvious question is: does addEvent work? What does it look like? What do doGet and Ajax look like?

Need more info