/*  function: roll(string, img object)  usage: onMouseOver="roll('image.gif', document.image_name)";  -----------------------------------  referece = path to replacement image  img_name = name of the image*/function roll(reference, img_name) {  img_name.src = reference;}/*  function: V_preloadImage(string)  usage: V_preloadImage("images/yeraccount_on.gif","images/buyinsack_on.gif","images/helpintruck_on.gif");*/function V_preloadImages() {  if (document.images) {    if (typeof(document.V) == 'undefined'){      document.V = new Object();    }    document.V.loadedImages = new Array();    var argLength = V_preloadImages.arguments.length;    for(arg=0;arg<argLength;arg++) {      document.V.loadedImages[arg] = new Image();      document.V.loadedImages[arg].src = V_preloadImages.arguments[arg];    }  }}