function open_win(url)
{
window.open(url ,"_blank","toolbar=no, location=yes, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width=450, height=450")
}
function open_win2(url)
{
window.open(url ,"_blank","toolbar=no, location=yes, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width=450, height=450")
}