$minx = $welcomex - ($height/$resolution/2);
    $maxx = $minx + ($height/$resolution);
    $lowx = $minx*256;
    $highx = $maxx*256;
    $miny = $welcomey - ($height/$resolution/2);
    $maxy = $miny + ($height/$resolution);
    $lowy = $miny*256;
    $highy = $maxy*256;
    $result = mysql_query("select regionName,cast(locX/256 as unsigned),cast(locY/256 as unsigned),serverURI from regions where locX >= $lowx and locY >= $lowy and locX <= $highx and locY <= $highy order by RegionName" );