var lastActivated = "";

	function preload(imgObj, imgSrc){
  		eval(imgObj+' = new Image()');
  		eval(imgObj+'.src = "'+imgSrc+'"');
	}

	function img_act(object){
		var data = "content";
 		imgOn = eval(object+"1.src");
		if(navigator.appName == "Netscape"){
			document.layers[data].document.images['img_'+object].src=imgOn;
		}else{
			document.all[data].document.images['img_'+object].src=imgOn;
		}
		
	}
	
	function img_inact(object){
		var data = "content";
  		imgOn = eval(object+"0.src");
  		if(navigator.appName == "Netscape"){
			document.layers[data].document.images['img_'+object].src=imgOn;
		}else{
			document.all[data].document.images['img_'+object].src=imgOn;
		}
	}

	function actImages(object){
 		if(lastActivated){
   			img_inact(lastActivated);
  		}
  		img_act(object);
  		lastActivated = object;
	}

	function swapImages(object,status){
  		if(status == 1){
    			img_act(object);
  		}else if(object != lastActivated){
    			img_inact(object);
  		}
  		return false;
	}
	
	preload("menue010","../../images/01_impressum01.gif");
	preload("menue011","../../images/01_impressum02.gif");
	preload("menue020","../../images/02_drucken01.gif");
	preload("menue021","../../images/02_drucken02.gif");
	preload("menue030","../../images/03_email01.gif");
	preload("menue031","../../images/03_email02.gif");
	preload("menue040","../../images/04_sitemap01.gif");
	preload("menue041","../../images/04_sitemap02.gif");
	
	
	function showURL(data,x,y,scrolling){
		fenster1=window.open(data, 'fenster1', 'scrollbars=' + scrolling +',status=yes,resizable=yes,menubar=no,width=' + x +',height='+y+'');
		browserName=navigator.appName;
		browserVer=parseInt(navigator.appVersion);
		if ((browserVer >= 4 & browserName == "Netscape") | (browserVer >= 4 & browserName == "Microsoft Internet Explorer"))
			version="4";
		else
			version="3";
			if (version=="4") {
   	   			var xB = screen.availWidth;	// Bildschirmaufloesung ermitteln
				var yB = screen.availHeight;
				var xW = x; // Groesse des Popup
				var yW = y;
				var x = (xB / 2) - (xW / 2 ); // Popup zentrieren
				var y = (yB / 2) - (yW / 2 ); // Bildschirmmitte minus halbe Fenstergroesse
				fenster1.moveTo(x,y);
   			}
	}
	function showURL2(data,x,y,scrolling){
		window.open(data, '', 'scrollbars=' + scrolling +',status=yes,resizable=yes,menubar=no,width=' + x +',height='+y+'');
	}

	function showlayer(data,xpos,ypos){
		if(navigator.appName == "Netscape"){
			document.layers[data].visibility = "show";
		}else{
			document.all[data].style.visibility = "visible";
		}
	}

	function hidelayer(data){
		if(navigator.appName == "Netscape"){
			document.layers[data].visibility = "hide";
		}else{
			document.all[data].style.visibility= "hidden";
		}
	}