Untitled

<?php
$submit = $_POST["submit"];
$keywords = $_POST["keywords"];
$articleID = $_GET['articleId'];

  if(isset($submit) || isset($keywords))
  {
  doSearch($keywords);
  }
else
  {
  getKeywords();
  }

function getKeywords()
  {
?>
<html>
<head>
<title>Search</title>
</head>
<body bgcolor="#000000">
<form name="frmKW" action="search.php" method="post">
<h1>Keyword Search</h1>
Enter keywords to search on:
<input type="text" name="keywords" maxlength="100">
<br><br><input type="submit" name="submit" value="Search">
</form>
</body>
</html>
<?php
  }

  function doSearch($search_keywords)
    {
    $arrWords = explode(" ", $search_keywords);

      if(sizeof($arrWords) == 0 || $search_keywords == "")
      {
      echo "You didn't enter any keywords<br>";
      echo "<a href='searchd.php'>Go Back</a>";
      }
      else
      {
      // Connect to the database
      $dServer = "localhost";
      $dDb = "nakedpr1_Search";
      $dUser = "nakedpr1";
      $dPass = "jimmyde39688635!";
      $s = @mysql_connect($dServer, $dUser, $dPass)
      or die("Couldn't connect to database server");
      @mysql_select_db($dDb, $s)
      or die("Couldn't connect to database");

        for($i = 0; $i < sizeof($arrWords); $i++)
        {
        $query = "select articleIds from searchWords where word = '{$arrWords[$i]}'";
        $result = mysql_query($query);

          if(mysql_num_rows($result) > 0)
          {
          // Get the id's of the articles
          $row = mysql_fetch_array($result);
          $arrIds = explode(",", $row[0]);
          $arrWhere = implode(" OR articleId = ", $arrIds);
          $aQuery = "select articleId, title, left(content, 100) as summary, url from articles where articleId = " . $arrWhere;
          $aResult = mysql_query($aQuery);
          $count = 0;
          $articles = array();

            if(mysql_num_rows($aResult) > 0)
            {

              while($aRow = mysql_fetch_array($aResult))
              {
              $articles[$count] = array (
              "articleId" => $aRow["articleId"],
              "title" => $aRow["title"],
              "summary" => $aRow["summary"],
              "url" => $aRow["url"]
              );
              $count++;
              }
            }

            if(isset($articles))
            {
            $articles = array_unique($articles);
            echo "<h1>" . sizeof($articles);
            echo (sizeof($articles) == 1 ? " article" : " articles");
            echo " found:</h1>";

              foreach($articles as $a => $value)
              {
?>
<a href="<?=$articles[$a]["url"]?> ">
<b><u><?php echo $articles[$a]["title"]; ?></u></b>
</a>
<br><?php echo $articles[$a]["summary"] . "..."; ?>
<br>
<a href="<?=$articles[$a]["url"]?>">
<?=$articles[$a]["url"]?></a>
<br><br>
<?php
              }
            }
            else
            {
            echo "No results found for '$search_keywords'<br>";
            echo "<a href='search.php'>Go Back</a>";
            }
          }
        }
      }
    }
?>