function naviInit()
{
	var hideSub = $$("#navi ul.navi li.mainnavi");
	hideSub.each(function(e) {
			e.style.overflow = 'hidden';
	});


	var szNormal = 13, szSmall  = 13, szFull   = 90;
	var marNormal = 0, marSmall = 0, marFull = 10;
 
	var kwicks = $$("#navi ul.navi li.mainnavi");
	var fx = new Fx.Elements(kwicks, {wait: false, duration: 500, transition: Fx.Transitions.Quint.easeOut});
	kwicks.each(function(kwick, i) {
		kwick.addEvent("mouseenter", function(event) {
			var o = {};
			o[i] = {height: [kwick.getStyle("height").toInt(), szFull]};
					
			kwicks.each(function(other, j) {
				if(i != j) {
					var w = other.getStyle("height").toInt();
					if(w != szSmall) o[j] = {height: [w, szSmall]};
				}
			});				
			
			fx.start(o);
		});
	});
	 
	kwicks.addEvent("mouseleave", function(event) {
		var o = {};
		kwicks.each(function(kwick, i) {
			o[i] = {height: [kwick.getStyle("height").toInt(), szNormal]}
		});
		
		fx.start(o);
	})
}