function popwin(URL)
{
windowspecs = "toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,screenx=50,screeny=50,width=400,height=450";
window.open(URL, "name", windowspecs);
}

function pop_RL(URL) {
windowspecs = "toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,screenx=50,screeny=50,width=400,height=530";
window.open(URL, "RL", windowspecs);
}