if(document.images){

img1on = new Image(); // Active images
img1on.src = "/2010/MARSImages/H-BTN_D.gif";
img2on = new Image();
img2on.src = "/2010/MARSImages/DL-BTN_D.gif";
img3on = new Image();
img3on.src = "/2010/MARSImages/HOF-BTN_D.gif";
img4on = new Image();
img4on.src = "/2010/MARSImages/SG-BTN_D.gif";
img5on = new Image();
img5on.src = "/2010/MARSImages/CF-BTN_D.gif";
img6on = new Image();
img6on.src = "/2010/MARSImages/RU-BTN_D.gif";
img7on = new Image();
img7on.src = "/2010/MARSImages/AB-BTN_D.gif";

img8on = new Image(); // Active images
img8on.src = "/2010/MARSImages/DV-H-BTN_D.gif";
img9on = new Image();
img9on.src = "/2010/MARSImages/DV-STD-BTN_D.gif";
img10on = new Image();
img10on.src = "/2010/MARSImages/DV-SCH-BTN_D.gif";
img11on = new Image();
img11on.src = "/2010/MARSImages/DV-LR-BTN_D.gif";


img1off = new Image(); // Inactive images
img1off.src = "/2010/MARSImages/H-BTN_U.gif";
img2off = new Image();
img2off.src = "/2010/MARSImages/DL-BTN_U.gif";
img3off = new Image();
img3off.src = "/2010/MARSImages/HOF-BTN_U.gif";
img4off = new Image();
img4off.src = "/2010/MARSImages/SG-BTN_U.gif";
img5off = new Image();
img5off.src = "/2010/MARSImages/CF-BTN_U.gif";
img6off = new Image();
img6off.src = "/2010/MARSImages/RU-BTN_U.gif";
img7off = new Image();
img7off.src = "/2010/MARSImages/AB-BTN_U.gif";

img8off = new Image(); // Inactive images
img8off.src = "/2010/MARSImages/DV-H-BTN_U.gif";
img9off = new Image();
img9off.src = "/2010/MARSImages/DV-STD-BTN_U.gif";
img10off = new Image();
img10off.src = "/2010/MARSImages/DV-SCH-BTN_U.gif";
img11off = new Image();
img11off.src = "/2010/MARSImages/DV-LR-BTN_U.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"); 
} 
}