function WM_preloadImages() {

  if (document.images) {
    if (typeof(document.WM) == 'undefined'){
      document.WM = new Object();
    }
    document.WM.loadedImages = new Array();
    // Loop through all the arguments.
    var argLength = WM_preloadImages.arguments.length;
    for(arg=0;arg<argLength;arg++) {
      // For each arg, create a new image.
      document.WM.loadedImages[arg] = new Image();
      // Then set the source of that image to the current argument.
      document.WM.loadedImages[arg].src = WM_preloadImages.arguments[arg];
    }
  }
}




if (document.images) {
        menu1on = new Image();
        menu1on.src = "./images/menu1_on.gif"; 
        menu1off = new Image();
        menu1off.src = "./images/menu1_off.gif";
        menu2on = new Image();
        menu2on.src = "./images/menu2_on.gif"; 
        menu2off = new Image();
        menu2off.src = "./images/menu2_off.gif";
        menu3on = new Image();
        menu3on.src = "./images/menu3_on.gif"; 
        menu3off = new Image();
        menu3off.src = "./images/menu3_off.gif";
        menu4on = new Image();
        menu4on.src = "./images/menu4_on.gif"; 
        menu4off = new Image();
        menu4off.src = "./images/menu4_off.gif";
        menu5on = new Image();
        menu5on.src = "./images/menu5_on.gif"; 
        menu5off = new Image();
        menu5off.src = "./images/menu5_off.gif";
        menu6on = new Image();
        menu6on.src = "./images/menu6_on.gif"; 
        menu6off = new Image();
        menu6off.src = "./images/menu6_off.gif";
        
        menu_footer1on = new Image();
        menu_footer1on.src = "./images/menu_footer1_on.gif"; 
        menu_footer1off = new Image();
        menu_footer1off.src = "./images/menu_footer1_off.gif";
        menu_footer2on = new Image();
        menu_footer2on.src = "./images/menu_footer2_on.gif"; 
        menu_footer2off = new Image();
        menu_footer2off.src = "./images/menu_footer2_off.gif";
        menu_footer3on = new Image();
        menu_footer3on.src = "./images/menu_footer3_on.gif"; 
        menu_footer3off = new Image();
        menu_footer3off.src = "./images/menu_footer3_off.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");
                }
        }
}