What Wrong With This Code

i am making a riddle answers hack

but this code is playing up

 if (($threadinfo[forumid]) && $isfirst) {
    if (($answer1 == '') && ($answer2 == '') && ($answer3 == '')) {
      $DB_site->query("DELETE FROM riddle WHERE threadid='$threadid'");
    } else {
      $riddle=$DB_site->query_first("SELECT answer1,answer2,answer3 from riddle WHERE threadid=$threadid");
      if (($riddle['answer1'] != '') && ($riddle['answer2'] != '') && ($riddle['answer3'] != '')) {
        $DB_site->query("UPDATE riddle SET answer1='".addslashes($answer1)."',answer2='".addslashes($answer2)."',answer3='".addslashes($answer3)."' WHERE threadid='$threadid'");
      } else {
        $DB_site->query("INSERT INTO riddle (threadid,answer1,answer2,answer3) VALUES('$threadid','".addslashes($answer1)."','".addslashes($answer2)."'),'".addslashes($answer3)."'");
      }
    }
  }

The problem is i am trying it out to edit the answers but it DELETES it but it won't INSERT it any ideas please help me

[wolfe]

can u plase help

[g-force2k2]

well are all of your answer fields empty? regards...

g-force2k2

[wolfe]

no d00d

i have edited the post to change the answer and what it does is deletes it but it don't INSERT a new answer is the code right to INSERT and UPDATE and DELETE

[g-force2k2]

well it seems the answers aren't inputted correctly... else you wouldn't get the DELETE as stated by your if else statements... regards...

g-force2k2

[wolfe]

d00d it don't seem to be working