<SCRIPT LANGUAGE="JavaScript">
/* Visit http://www.yaldex.com/ for full source code
and get more free JavaScript, CSS and DHTML scripts! */
<!-- Begin

image_directory = "";
clear = new Image();  clear.src = image_directory + "clear.jpg";
pic1 = new Image();  pic1.src = image_directory + "chameleon.jpg";
pic2 = new Image();  pic2.src = image_directory + "gecko.jpg";
pic3 = new Image();  pic3.src = image_directory + "lizard.jpg";
pic4 = new Image();  pic4.src = image_directory + "toad.jpg";

function imagechange(imgName) {

document.body.background = eval(imgName + ".src");
   
}
function Load()
{
    document.body.background=clear.jpg;
}
window.onload=Load;
//  End -->
</script>
<center><BR><BR><BR>
<nobr><a href="#" onMouseOver="imagechange('pic1');" onMouseOut="imagechange('clear');"><img src="chameleon.jpg"></a>
<a href="#" onMouseOver="imagechange('pic2');" onMouseOut="imagechange('clear');"><img src="gecko.jpg"></a></nobr><nobr><br>
<a href="#" onMouseOver="imagechange('pic3');" onMouseOut="imagechange('clear');"><img src="lizard.jpg"></a>
<a href="#" onMouseOver="imagechange('pic4');" onMouseOut="imagechange('clear');"><img src="toad.jpg"></a></nobr>

</center>