if (document.images) {
  var homebon = new Image();		// Active images
  homebon.src = "images/homebut2.gif"; 
  var homeboff = new Image();		// Inactive images
  homeboff.src = "images/homebut.gif";  

  var framesbon = new Image();		// Active images
  framesbon.src = "images/framesbut2.gif"; 
  var framesboff = new Image();		// Inactive images
  framesboff.src = "images/framesbut.gif";   

  var artbon = new Image();		// Active images
  artbon.src = "images/artbut2.gif"; 
  var artboff = new Image();		// Inactive images
  artboff.src = "images/artbut.gif"; 

  var giftsbon = new Image();		// Active images
  giftsbon.src = "images/giftsbut2.gif"; 
  var giftsboff = new Image();		// Inactive images
  giftsboff.src = "images/giftsbut.gif"; 

  var servicesbon = new Image();		// Active images
  servicesbon.src = "images/servicesbut2.gif"; 
  var servicesboff = new Image();		// Inactive images
  servicesboff.src = "images/servicesbut.gif"; 
}

function imgOn() {

if (document.getElementById) {
this.src = eval(this.id + "on.src");
}
}

function imgOff() {
if (document.getElementById) {
this.src = eval(this.id + "off.src");
}
}

window.onload = function() {rollover(); initialize();};

function rollover() {
  if (document.getElementById) {
    var ids = Array("homeb", "framesb", "artb", "giftsb", "servicesb");
    for(var i in ids) {
      var d = ids[i];
      document.getElementById(d).onmouseover = imgOn;
	  document.getElementById(d).onmouseout = imgOff;
    }
  }
}