function newpopup (url) {
 fenster = window.open(url,"fenster","width=450,height=500,status=yes,scrollbars=yes,resizable=yes");
 fenster.focus();
}
 
function activateMenu(obj) {
    imgObj = obj.firstChild;
    imgObj.oldSrc = imgObj.src;
    imgObj.src = imgObj.src.substring(0, imgObj.src.lastIndexOf('.')-1)+'1.gif';
}
function deactivateMenu(obj) {
    imgObj = obj.firstChild;
    imgObj.src = imgObj.oldSrc;
}