var ajax = new Ajax();
var score = item_id = null;

function rateCard(itemid,rating) {
	score = rating;
	item_id = itemid;
	ChangeContent('ratemsg','Please wait..');
	doTask();
}

var doTask = function() {
	start = new Date();
	start = start.getTime();
	ajax.doGet('/rate_ajax.php?start=' + start + '&item_id=' + item_id + '&score=' + score, showTask);
}

var showTask = function(str) {
	var taskResult = '';
	var diff = 0;
	var end = new Date();
	if(str == 'ok') {
		end = end.getTime();
		diff = (end - start) / 1000;
		taskResult = 'Thanks! (' + score + ' stars)';
	}
	else {
		taskResult = 'Thanks!';
	}
	printResult(taskResult);
}

function printResult(str) {
	ChangeContent('ratemsg',str);
}