<!-- hide from browsers that do not know JavaScript
                    
if (document.images) { 

whmarble = new Image();
whmarble.src = "images/whmarble.jpg";

img1on = new Image();
img1on.src = "images/img1on.gif";       
img2on = new Image();
img2on.src = "images/img2on.gif";  
img3on = new Image();
img3on.src = "images/img3on.gif";
img4on = new Image();
img4on.src = "images/img4on.gif";  
img5on = new Image();
img5on.src = "images/img5on.gif";  

img1off = new Image();
img1off.src = "images/img1off.gif";
img2off = new Image();
img2off.src = "images/img2off.gif";
img3off = new Image();
img3off.src = "images/img3off.gif";
img4off = new Image();
img4off.src = "images/img4off.gif";
img5off = new Image();
img5off.src = "images/img5off.gif";
}

function imgOn(imgName) {
    if (document.images) {
    document[imgName].src = eval(imgName + "on.src");       
        }
    }

function imgOff(imgName) {
    if (document.images) {
    document[imgName].src = eval(imgName + "off.src");        
        }
    }
// end hiding-->