how do i display my output in row with this code??

[drainbrain]

Halu guys! this is the code im doing but the thing is, it will only
display in a single row. can u help me guyz to display in row by

row..i know this is just simple problem but reli cant solve it..thx!

$messagefull.= $HTTP_POST_VARS["res_nu"];
$messagefull.= $HTTP_POST_VARS["g_name"];
$messagefull.= $HTTP_POST_VARS["add1"];
$messagefull.= $HTTP_POST_VARS["add2"];
$messagefull.= $HTTP_POST_VARS["a_date"];
$messagefull.= $HTTP_POST_VARS["d_date"];
$messagefull.= $HTTP_POST_VARS["d_stay"];
$messagefull.= $HTTP_POST_VARS["rum_type"];
$messagefull.= $HTTP_POST_VARS["s_ar"];

 if (mail("[e-mail]","Contact Us", $messagefull,
   "From:" .$HTTP_POST_VARS["semail"]."\r\n"
   ."Reply-To:".$HTTP_POST_VARS["semail"]."\r\n"
   ."X-Mailer: PHP/" . phpversion())) {
     $GLOBALS["sent"] = 2;

[Piranha]

$messagefull.= $HTTP_POST_VARS["res_nu"] . "<br />";

[Weedpacket]

$messagefull .= $HTTP_POST_VARS['res_nu'] . "\r\n";

[drainbrain]

I finally run my script now...