var ajaxVote = new sack();
function vote(listingId) {
//	alert("voting");
	ajaxVote.requestFile = '/ajax/vote.php?l='+listingId;	// Specifying which listing to get
	ajaxVote.onCompletion = voteComplete;	// Specify function that will be executed after file has been found
	ajaxVote.runAJAX();		// Execute AJAX function			
}

function voteComplete() {
	eval(ajaxVote.response);
}