function form_open(filename)
{
window.open(filename,"","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=640,height=640");
}

function form_open2(filename)
{
window.open(filename,"","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=640,height=400");
}

function form_open3(filename)
{
window.open(filename,"","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=640,height=450");
}