function newImage( imgSrc ){

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

 return imgName;

}

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

var preloadFlag = false;
function loadImages()
{
 if (document.images)
 {
 homeon = newImage( "images/homeon.gif" );
 bioon = newImage("images/bioon.gif");
discon = newImage("images/discon.gif");
eventson = newImage("images/eventson.gif");
audioon = newImage("images/audioon.gif");
reviewson = newImage("images/reviewson.gif");
galleryon = newImage("images/galleryon.gif");
creditson = newImage("images/creditson.gif");
linkson = newImage("images/linkson.gif");
contacton = newImage("images/contacton.gif");
 preloadFlag = true;
 }
}