var aktpic = 1;
var running = false;
var maxpic = 0;
var stopping = false;
var plimages;

$qq(document).ready(function(){
	$qq('.previewimg2').mouseover(function(){
		var tnc = $qq(this).attr("tnc");
		if (tnc > 1){
			maxpic  = tnc;
			running = this;
			plimages = new Array();
			preload();
			changepic();
		}
	});
	
	$qq('.previewimg2').mouseout(function(){
		var tnc = $qq(this).attr("tnc");
		if (tnc > 1){
			stopping = true;
			running = false;
			jumptopic(this,1);
		}
	});
});

function preload(){
	for (var i=2;i<=maxpic;i++) {
		plimages[i] = new Image();
		var newsrc = $qq(running).attr("src").replace(/_tn[0-9]*\./,"_tn" + i + ".");
		plimages[i].src = newsrc;
	}
}

function changepic(obj){
	if (stopping != true){
		if (running != false){
			aktpic = aktpic >= maxpic ? 1 : aktpic + 1
			picstr = aktpic > 1 ? aktpic : "";
			var newsrc = $qq(running).attr("src").replace(/_tn[0-9]*\./,"_tn" + picstr + ".");
			$qq(running).attr("src",newsrc);
			setTimeout(function(){changepic();},800);
		}
	}else{
		stopping = false;
	}
}

function jumptopic(obj,picnr){
	picstr = picnr > 1 ? picnr : "";
	aktpic = picnr;
	var newsrc = $qq(obj).attr("src").replace(/_tn[0-9]*\./,"_tn" + picstr + ".");
	$qq(obj).attr("src",newsrc);
}