function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

window.addEvent('domready', function(){
	var t = window.location.pathname.split("/");
	var loco = t[t.length-1];
	if(loco==''){
		loco='index.htm';
	}
									 
	$$('a.mainnavigation').each(function(el){
		el.onmouseout = function(){
			if(this.href.lastIndexOf(loco)==-1){
				this.getElement('img').src = this.getElement('img').src.replace(/(.+)_a\.gif/i, "$1.gif");
			}
		}
		el.onmouseover = function(){
			if(this.href.lastIndexOf(loco)==-1){
				this.getElement('img').src = this.getElement('img').src.replace(/(.+)\.gif/i, "$1_a.gif");
			}
		}
		
		if(el.href.lastIndexOf(loco)!=-1){
			el.getElement('img').src = el.getElement('img').src.replace(/(.+)\.gif/i, "$1_a.gif");
		}
	});

});
window.onload = function(){
	preloadImages('../images/navigation/portrait_a.gif','../images/navigation/angebot_a.gif','../images/navigation/specials_a.gif','../images/navigation/veranstaltungen_a.gif','../images/navigation/hochzeit_a.gif','../images/navigation/referenzen_a.gif','../images/navigation/kontakt_a.gif','../images/navigation/anfahrt_a.gif','../images/navigation/impressum_a.gif');
}