function openChild(file,windowname,width,height) {
    childWindow=open(file, windowname, 'width=' + width + ',height=' + height + ', toolbar=no, location=no, directories=no, status=no, mnubar=no, scrollbars=yes, resizable=yes');
    if (childWindow.opener == null) childWindow.opener = self;
    return childWindow;
}

function updateParent() {
    opener.document.location.reload()
    self.close();
    return false;
}