// Mouse-Over-Bilder vorausladen
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

// Navigation
function openSubNav(id, caller){
	if($(id).style.display == 'none'){
		new Effect.BlindDown(
			id
		);
	}
	closeSubNav();
	caller.blur();
}

function closeSubNav(){
	var uls = $("nav").getElementsByTagName("ul");
	for (var i = 0; i < uls.length; i++){
		if(!Element.hasClassName(uls[i],'actsub') && uls[i].style.display == ''){
			new Effect.BlindUp(
				uls[i]
			);
		}
	}
}