function popupche(mylink, windowname) {
    if (! window.focus)return true;
    var href;
    if (typeof(mylink) == 'string')
        href=mylink;
    else
        href=mylink.href;
        window.open(href, windowname, 'height=250, width=365, left=150 , top=150,  scrollbars=yes');
    return false;
}

function approval(mylink, windowname) {
    if (! window.focus)return true;
    var href;
    if (typeof(mylink) == 'string')
        href=mylink;
    else
        href=mylink.href;
        window.open(href, windowname, 'height=320, width=400, left=150 , top=150,  scrollbars=yes');
    return false;
}