function change_color(color){
	var i = 1;
	var id=0;
	document.getElementById('hiddenCounterFarbe').value = "#" + color;
	while (i <= 10) {
		id="vorschau"+i;
		var src= "counter/vorschau/vorschau.php?design=" + i + "&color=" + color;
		document.getElementById(id).src = "counter/vorschau/vorschau.php?design=" + i + "&color=" + color;
		i=i+++1;
		
	}
}