function makeCatMenu () {
	var szNormal = 148, szSmall  = 60, szFull   = 405;
	 
	var kwicks = $$("#cat_menu .category");
	var menu_height = 0;
	var fx = new Fx.Elements(kwicks, {wait: false, duration: 400, transition: Fx.Transitions.Back.easeOut, unit: 'px'});
	kwicks.each(function(kwick, i) {
		kwick.addEvent("mouseenter", function(event) {
			var o = {};
			o[i] = {width: [kwick.getStyle("width").toFloat(), szFull]}
			kwicks.each(function(other, j) {
				if(i != j) {
					var h = other.getStyle("width").toFloat();
					if(h != szSmall) o[j] = {width: [h, szSmall]};
				}
			});
			fx.start(o);
		});
	});
	
	$("cat_menu").addEvent("mouseleave", function(event) {
		var o = {};
		kwicks.each(function(kwick, i) {
			o[i] = {width: [kwick.getStyle("width").toFloat(), szNormal]}
		});
		fx.start(o);
	});
}

window.addEvent('domready', makeCatMenu);