function win_open(str)
{
add_w = window.open(str,'ch','width=500,height=500,scrollbars=yes,status=0,resizeble=1');
add_w.focus(); if (add_w.opener == null) { add_w.opener = window; }
}

function win_bopen(str)
{
add_w = window.open(str,'ch','width=600,height=600,scrollbars=yes,status=0,resizeble=1');
add_w.focus(); if (add_w.opener == null) { add_w.opener = window; }
}

function map_open(str)
{
add_w = window.open(str,'ch','width=386,height=235,scrollbars=yes,status=0,resizeble=1');
add_w.focus(); if (add_w.opener == null) { add_w.opener = window; }
}