function loadimages() {
    i1 = new Image;
    i1.src = "common/head03on.gif";
    i2 = new Image;
    i2.src = "common/head04on.gif";
    i3 = new Image;
    i3.src = "common/head05on.gif";
    i4 = new Image;
    i4.src = "common/head06on.gif";
    i5 = new Image;
    i5.src = "common/head07on.gif";
    i6 = new Image;
    i6.src = "common/head08on.gif";
}
function msover(img,ref) {
    document.images[img].src = ref;
}
function msout(img,ref) {
    document.images[img].src = ref;
}
function newWindow(theURL,width,height) {
    x = (640 - width)/2, y = (480 - height)/2;
    if (screen) {
        y = (screen.availHeight - height)/2;
        x = (screen.availWidth - width)/2;
    }
    window.open(theURL,'newWin','width='+width+',height='+height+',screenX='+x+',screenY='+y+',top='+y+',left='+x+',resizable=no,scrollbars=no,status=no,toolbar=no,location=no');
}