// JavaScript Document
function newImage( imgSrc ){

 var imgName = new Image();
 imgName.src = imgSrc;

 return imgName;

}

function swap( imgName, imgLocation )
{
 document[imgName].src = imgLocation ;
}

var preloadFlag = false;
function loadImages()
{
 if (document.images)
 {
  arrowbover = newImage("images/arrowbover.gif");
  arrownover = newImage("images/arrownover.gif");
  arrowbover = newImage("images/arrowb.gif");
  arrownver = newImage("images/arrown.gif");

 preloadFlag = true;
 }
}