if (document.images) {
  jewelryon = new Image();
  jewelryon.src = "../images/menu/bttn_jewelry_on.gif";
  jewelryoff = new Image();
  jewelryoff.src = "../images/menu/bttn_jewelry_off.gif";
  
  toolson = new Image();
  toolson.src = "../images/menu/bttn_tools_on.gif";
  toolsoff = new Image();
  toolsoff.src = "../images/menu/bttn_tools_off.gif";
  
  aboutuson = new Image();
  aboutuson.src = "../images/menu/bttn_aboutus_on.gif";
  aboutusoff = new Image();
  aboutusoff.src = "../images/menu/bttn_aboutus_off.gif";
  
  exhibitionson = new Image();
  exhibitionson.src = "../images/menu/bttn_exhibitions_on.gif";
  exhibitionsoff = new Image();
  exhibitionsoff.src = "../images/menu/bttn_exhibitions_off.gif";
  
  presson = new Image();
  presson.src = "../images/menu/bttn_press_on.gif";
  pressoff = new Image();
  pressoff.src = "../images/menu/bttn_press_off.gif";
  
  contactuson = new Image();
  contactuson.src = "../images/menu/bttn_contactus_on.gif";
  contactusoff = new Image();
  contactusoff.src = "../images/menu/bttn_contactus_off.gif";
  
  finduson = new Image();
  finduson.src = "../images/menu/bttn_findus_on.gif";
  findusoff = new Image();
  findusoff.src = "../images/menu/bttn_findus_off.gif";
  
  techniqueson = new Image();
  techniqueson.src = "../images/menu/bttn_techniques_on.gif";
  techniquesoff = new Image();
  techniquesoff.src = "../images/menu/bttn_techniques_off.gif";
  
  gallerieson = new Image();
  gallerieson.src = "../images/menu/bttn_galleries_on.gif";
  galleriesoff = new Image();
  galleriesoff.src = "../images/menu/bttn_galleries_off.gif";
  
  wholesaleon = new Image();
  wholesaleon.src = "images/menu/bttn_wholesale_off.gif";
  wholesaleoff = new Image();
  wholesaleoff.src = "images/menu/bttn_wholesale_on.gif";
 
  
}


function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}