img1on = new Image();					// Active images
img1on.src = "images/idx_on_03.jpg";
img2on = new Image();
img2on.src = "images/idx_on_04.jpg";
img3on = new Image();
img3on.src = "images/idx_on_05.jpg";
img4on = new Image();
img4on.src = "images/idx_on_06.jpg";
img5on = new Image();
img5on.src = "images/idx_on_07.jpg";
img6on = new Image();
img6on.src = "images/idx_on_08.jpg";
img7on = new Image();
img7on.src = "images/idx_on_09.jpg";

img1off = new Image();					// Inactive images
img1off.src = "images/idx_03.jpg";
img2off = new Image();	
img2off.src = "images/idx_04.jpg";
img3off = new Image();	   
img3off.src = "images/idx_05.jpg";
img4off = new Image();	
img4off.src = "images/idx_06.jpg";
img5off = new Image();
img5off.src = "images/idx_07.jpg";
img6off = new Image();
img6off.src = "images/idx_08.jpg";
img7off = new Image();
img7off.src = "images/idx_09.jpg";
                         
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");
        }
}