//rollovers
if (document.images) {
img1on = new Image();           // Active images
img1on.src = "images/home_on.jpg";  
img2on = new Image(); 
img2on.src = "images/state_on.jpg";  
img3on = new Image();
img3on.src = "images/cat_on.jpg";
img4on = new Image();
img4on.src = "images/search_on.jpg";
img5on = new Image();
img5on.src = "images/contact_on.jpg";




img1off = new Image();          // Inactive images
img1off.src = "images/home_off.jpg"; 
img2off = new Image();
img2off.src = "images/state_off.jpg";  
img3off = new Image();
img3off.src = "images/cat_off.jpg";
img4off = new Image();
img4off.src = "images/search_off.jpg";
img5off = new Image();
img5off.src = "images/contact_off.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");
        }
}