function popup(site,width,height,scrollbars) {
   popup_window = window.open(site , "popup_window", "width=" + width + ",height=" + height + ",scrollbars=" + scrollbars + ",resizable=no");
   window.popup_window.focus();
}

function closeAndReloadSite() {
   mainWindow = window.open("./members_detail?dat=mille.dat", "mainFrame");
   self.close();
}