var loaded = false;
if (document.images) {
    img1off = new Image();img1off.src = "images/btn_gallery_off.jpg";
    img2off = new Image();img2off.src = "images/btn_howwework_off.jpg";
    img3off = new Image();img3off.src = "images/btn_quoterequest_off.jpg";
	img4off = new Image();img4off.src = "images/btn_freebies_off.jpg";
}
function imageLoad() {
    if (document.images) {
    img1on = new Image();img1on.src = "images/btn_gallery_on.jpg";
    img2on = new Image();img2on.src = "images/btn_howwework_on.jpg";
    img3on = new Image();img3on.src = "images/btn_quoterequest_on.jpg";
	img4on = new Image();img4on.src = "images/btn_freebies_on.jpg";
	
        return (loaded = true);
    }
}
function rollOut(imgName) {
    if (document.images) {
        document[imgName].src = eval(imgName+"off.src");
    }
}
function rollIn(imgName) {
    if (document.images && (loaded == true)) {
        document[imgName].src = eval(imgName+"on.src");
    }
}