he mirado las vaiables de mi servidor
y me sale esto
ALL_HTTPHTTP_CONNECTION:Keep-Alive HTTP_ACCEPT:*/* HTTP_ACCEPT_ENCODING:gzip, deflate HTTP_ACCEPT_LANGUAGE:es HTTP_COOKIE:__utma=46485819.50960061.1189057549.11 89166689.1189180438.12; __utmz=46485819.1189057549.1.1.utmccn=(direct)|utm csr=(direct)|utmcmd=(none); __utmb=46485819; __utmc=46485819; ASPSESSIONIDQQBRDCDR=CHGMIKFAMCDJMHNNGBKFLAAA HTTP_HOST:www.server1.comHTTP_USER_AGENT:Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; .NET CLR 1.1.4322; .NET CLR 2.0.50727) HTTP_HTACCESS_USER:usuario HTTP_HTACCESS_PASSWORD:password
pero cno se como recuperar el http_htaccess_user en una variable