var onImg = new Array();
var offImg = new Array();

var navImgDir = "../pics/";

// *********************************************************************
// ROLLOVERS FOR TOP NAVIGATION
// *********************************************************************
var topNavNames = new Array("werk","ueber","nacht","orient","termin","presse","konimp");
var imgName, imgHLName, refName;
if (document.images) {       //if image object is available     
  for (var i = 0; i < topNavNames.length; i++) {
    refName = topNavNames[i];
    imgName = navImgDir + refName + "_off.gif";
	imgHLName = navImgDir + refName + "_on.gif";
	onImg[refName] = new Image();
	offImg[refName] = new Image();
	onImg[refName].src = imgHLName;
	offImg[refName].src = imgName;
  }
}

// Swap images on based on a name array
function imageOn(name) {
   if (document.images) {
    document.images[name].src = onImg[name].src
   }
}

// Swap images off based on a name array 
function imageOff(name) {
   if (document.images) {
    document.images[name].src = offImg[name].src
   }
}