Search Engine risk using $HTTP_HOST?

Does anyone know if there is a risk of search engine's banning you (or reducing your status) if you use $HTTP_HOST to redirect visitors to two separate domains such as in the example below? Note: It's not a header redirect. Instead I use an include statement which works because both websites exist in separate folders locally on the same account. file: index.php <? // Open www.stoneentertainment.com If (ereg('stoneentertainment', $HTTP_HOST){include("home/www/stoneentertainment/index.html")} // Open www.nolimitsguides.com If (ereg('nolimits', $HTTP_HOST){include("home/www/nolimits/index.html")} ?> Just making sure! :-) Thanks, Kevin Stone Kevin@helpelf.com