if (document.images) {
        img1on = new Image();
        img1on.src = "../images/btn_home_on.gif";
        img1off = new Image();
        img1off.src = "../images/btn_home.gif";
        
	    img2on = new Image();
        img2on.src = "../images/btn_artist_on.gif";
        img2off = new Image();
        img2off.src = "../images/btn_artist.gif";
		
        img3on = new Image();
        img3on.src = "../images/btn_galleries_on.gif";
        img3off = new Image();
        img3off.src = "../images/btn_galleries.gif";
		
        img4on = new Image();
        img4on.src = "../images/btn_info_on.gif";
        img4off = new Image();
        img4off.src = "../images/btn_info.gif";
		
        img5on = new Image();
        img5on.src = "../images/btn_contact_on.gif";
        img5off = new Image();
        img5off.src = "../images/btn_contact.gif";	
		
        img6on = new Image();
        img6on.src = "../images/btn_newborn_on.gif";
        img6off = new Image();
        img6off.src = "../images/btn_newborn.gif";
        
        img7on = new Image();
        img7on.src = "../images/btn_infants_on.gif";
        img7off = new Image();
        img7off.src = "../images/btn_infants.gif";	
		
        img8on = new Image();
        img8on.src = "../images/btn_children_on.gif";
        img8off = new Image();
        img8off.src = "../images/btn_children.gif";
        
        img9on = new Image();
        img9on.src = "../images/btn_connections_on.gif";
        img9off = new Image();
        img9off.src = "../images/btn_connections.gif";
		
}
function lightup(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function turnoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }