ho fatto anche così:

Codice PHP:
response.write "<FORM id='form_vedistanze' name='form_vedistanze' action='https://secure.iii.com/iii.html' method='post' target='_blank'>"
response.write "<input id='aid' name='aid' value='0000' type='hidden'>"
response.write "<INPUT type='hidden' value='www.iiii.com' name='hostname'>" 
response.write "<INPUT type='hidden' value='"&objRS ("id")&"' name='hotel_id'>" 
response.write "<INPUT type='hidden' value='0' name='stage'>" 
response.write "<INPUT type='hidden' value='"&data_arrivo&"' name='checkin'>" 
response.write "<INPUT type='hidden' value='"&data_partenza&"' name='checkout'>"
response.write "<input name='lang' value='"&lingua&"' type='hidden'/>"
response.write "[url='javascript:;']link[/url]"
response.write "</form>" 
non funziona qualche idea