/* 
* RATING
*/
var rating_ajax;
var waardering = 0;
var temp = waardering;

function setWaardering (nieuw)
{
	var ratingstars = document.getElementById ('ratingstars');
	temp = nieuw;
	ratingstars.style.backgroundPosition = -(5 - temp) * 26 + 'px 0px';
}
		
function ratingClick (event,id) {	
	waardering = temp;
	//Ajax request doen
	rating_ajax = ajax_Request ('ajax/vertrekkers_rating.php?id='+id+'&stem='+waardering, ratingUpdate);
}

function ratingOver (param)
{
	var evt;
	var x;
	if (window.event) {
		evt = window.event;
		x = evt.offsetX;
	} else {
		evt = param;
		x = evt.layerX;
	}
	
	window.status = x;
	var nieuw = Math.floor ((x + 26) / 26);
	if (nieuw < 0) nieuw = 0; else if (nieuw > 5) nieuw = 5;
	if (nieuw != temp) setWaardering (nieuw);
}

function ratingOut () {
	setWaardering (waardering);
}

function ratingUpdate () {
	if (!rating_ajax) rating_ajax = req;
	if (rating_ajax.readyState == 4 && rating_ajax.status == 200)
	{
        //document.getElementById('ratingresult').innerHTML = rating_ajax.responseText;
		rating_ajax = null;
	}
}