var overImage = new Image();
overImage.src = "/media/kleinhans/mouseover.gif";

var curImage = new Image();
curImage.src = "/media/kleinhans/linkactive.gif";

var normalLogoImage = new Image();
normalLogoImage.src = "/media/kleinhans/logo_original.gif";

var mgkLogoImage = new Image();
mgkLogoImage.src = "/media/kleinhans/logo_MGK.gif";

var hnoLogoImage = new Image();
hnoLogoImage.src = "/media/kleinhans/logo_hno.gif";

var zahnLogoImage = new Image();
zahnLogoImage.src = "/media/kleinhans/logo_zahn.gif";

var kosmetikLogoImage = new Image();
kosmetikLogoImage.src = "/media/kleinhans/logo_kosmetik.gif";

var alternativLogoImage = new Image();
alternativLogoImage.src = "/media/kleinhans/logo_alternativ.gif";

function doRollover(item){
	itemObj = document.getElementById(item);
	
	if(document.all && itemObj.style.setAttribute){
		itemObj.style.setAttribute("backgroundImage", "url("+overImage.src+")", "false");
	}else{
		itemObj.style.backgroundImage = "url("+overImage.src+")";
	}
}

function doLogoRO(uid){
	logoObj = document.getElementById("logoimage");
	if(logoROs[uid]!=""){
		roObj = eval(logoROs[uid]+"LogoImage");
		logoObj.src = roObj.src;
	}else{
		logoObj.src = normalLogoImage.src;
	}
}

function hideAll(){
	logoObj.src = normalLogoImage.src;
	
	for(i=0; i<menuItems.length; i++){
		itemObj = document.getElementById("menuItem"+menuItems[i]);
		if(itemObj){
			if(document.all && itemObj.style.setAttribute){
				itemObj.style.removeAttribute("backgroundImage", "false");
			}else{
				itemObj.style.backgroundImage = "";
			}
		}
		itemObj = document.getElementById("curMenuItem"+menuItems[i]);
		if(itemObj){
			if(document.all && itemObj.style.setAttribute){
				itemObj.style.setAttribute("backgroundImage", "url("+curImage.src+")", "false");
			}else{
				itemObj.style.backgroundImage = "url("+curImage.src+")";
			}
		}
	}
	
	for(i=0; i<subMenuItems.length; i++){
		itemObj = document.getElementById("subMenuItem"+subMenuItems[i]);
		if(itemObj){
			if(document.all && itemObj.style.setAttribute){
				itemObj.style.removeAttribute("backgroundImage", "false");
			}else{
				itemObj.style.backgroundImage = "";
			}
		}
		itemObj = document.getElementById("curSubMenuItem"+subMenuItems[i]);
		if(itemObj){
			if(document.all && itemObj.style.setAttribute){
				itemObj.style.setAttribute("backgroundImage", "url("+curImage.src+")", "false");
			}else{
				itemObj.style.backgroundImage = "url("+curImage.src+")";
			}
		}
	}
}