var szNormal = 180, szSmall  = 148, szFull   = 280;
 	var kategorie = $$("#kategorie .kat");
	var fx = new Fx.Elements(kategorie, {wait: false, duration: 500, transition: Fx.Transitions.Back.easeOut});
	kategorie.each(function(kat, i) {
	kat.addEvent("mouseenter", function(event) {
		var o = {};
		o[i] = {width: [kat.getStyle("width").toInt(), szFull]}
		kategorie.each(function(other, j) {
			if(i != j) {
				var w = other.getStyle("width").toInt();
				if(w != szSmall) o[j] = {width: [w, szSmall]};
				}
			});
			fx.start(o);
		});
	});
 
	$("kategorie").addEvent("mouseleave", function(event) {
	var o = {};
	kategorie.each(function(kat, i) {
		o[i] = {width: [kat.getStyle("width").toInt(), szNormal]}
	});
	fx.start(o);
	})