if (document.images) {
	
  link01up = new Image();
  link01up.src = "images/top_register_lo.gif";
  link01down = new Image();
  link01down.src = "images/top_register_hi.gif";  	

  link02up = new Image();
  link02up.src = "images/top_features_lo.gif";
  link02down = new Image();
  link02down.src = "images/top_features_hi.gif";  	

  link03up = new Image();
  link03up.src = "images/top_photographers_lo.gif";
  link03down = new Image();
  link03down.src = "images/top_photographers_hi.gif";  	

  link04up = new Image();
  link04up.src = "images/top_help_lo.gif";
  link04down = new Image();
  link04down.src = "images/top_help_hi.gif";  	

  link05up = new Image();
  link05up.src = "images/top_contact_lo.gif";
  link05down = new Image();
  link05down.src = "images/top_contact_hi.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");
    }
  }
}