function new_win(fname) { 
window.open(fname,'newwin','width=810,height=590,toolbar=yes,location=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes');
}

function new_win2(fname) { 
window.open(fname,'newwin','width=810,height=280,toolbar=yes,location=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes');
}

function new_win3(fname) { 
window.open(fname,'newwin','width=810,height=550,toolbar=yes,location=yes,status=yes,menubar=yes,scrollbars=yes,resizable=yes');
}