<!--

if(document.images){

      alit = new Image(); 
      alit.src = "images/photos/thumb1-on.jpg"; 
      adim = new Image(); 
      adim.src = "images/photos/thumb1.jpg";
      blit = new Image(); 
      blit.src = "images/photos/thumb2-on.jpg"; 
      bdim = new Image(); 
      bdim.src = "images/photos/thumb2.jpg"; 
      clit = new Image();
      clit.src = "images/photos/thumb3-on.jpg"; 
      cdim = new Image(); 
      cdim.src = "images/photos/thumb3.jpg"; 
      dlit = new Image(); 
      dlit.src = "images/photos/thumb4-on.jpg"; 
      ddim = new Image(); 
      ddim.src = "images/photos/thumb4.jpg"; 
	  elit = new Image(); 
      elit.src = "images/photos/thumb5-on.jpg"; 
      edim = new Image(); 
      edim.src = "images/photos/thumb5.jpg"; 
	  flit = new Image(); 
      flit.src = "images/photos/thumb6-on.jpg"; 
      fdim = new Image(); 
      fdim.src = "images/photos/thumb6.jpg"; 
	  glit = new Image(); 
      glit.src = "images/photos/thumb7-on.jpg"; 
      gdim = new Image(); 
      gdim.src = "images/photos/thumb7.jpg"; 
	  hlit = new Image(); 
      hlit.src = "images/photos/thumb8-on.jpg"; 
      hdim = new Image(); 
      hdim.src = "images/photos/thumb8.jpg"; 
	  ilit = new Image(); 
      ilit.src = "images/photos/thumb9-on.jpg"; 
      idim = new Image(); 
      idim.src = "images/photos/thumb9.jpg"; 

} 

function rollOn(n){
if (document.images){
   light=eval(n+"lit.src");
        document [n].src=light;
        }
}

function rollOff(n){
if (document.images){
        dark=eval(n+"dim.src");
        document [n].src=dark;
   }
}

//-->