function CheckImageMaxSize($photosize) {
        global $db;
        $sql1="SELECT Resolution,Multiplier FROM `PhotoSizePrice` WHERE Resolution > $photosize ORDER BY Resolution Asc LIMIT 1";
        $sql2="SELECT Resolution,Multiplier FROM `PhotoSizePrice` WHERE Resolution < $photosize ORDER BY Resolution Desc Limit 1";
        $HigherResult=$db->query($sql1);
        $LowerResult=$db->query($sql2);
        if(!$HigherResult OR !$LowerResult) {
                error_page();                                                           }
        $higherArr=$HigherResult->fetch_row();
        $lowerArr=$LowerResult->fetch_row();                                            $high=abs($higherArr[0]-$photosize);
        $low=$photosize-$lowerArr[0];
        if ($high < $low) {
                return ($higherArr[1]);
        } else {
                return ($lowerArr[1]);
        }
}