function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

  function locateObject(name, d)
  {
    var i,x;
    if( !d ) d = document;
  	 x = d[name];
    for(i=0; !x && d.layers && i< d.layers.length; i++)
      x=locateObject(name, d.layers[i].document);
    return x;
  }

  function ImageSwap( Name, URL)  {
    var img;
    img = locateObject(Name);
    img.src = URL;
  }