$y = 0; // If 'y' equals 1 then you win

// USERS SETTINGS
$attack = $_POST['attack'];
$defense = $_POST['defense'];
$health = $_POST['health'];
$magic = $_POST['magic'];

// VS SETTINGS
$vattack = $_POST['vattack'];
$vdefense = $_POST['vdefense'];
$vhealth = $_POST['vhealth'];
$vmagic = $_POST['vmagic'];

div class="mid_box">
                    <div class="mid_box_title">Your Pokemon</div>
                    <?php
                        // show the user their pokemon
                        include_once('pokemon_level.php');
                        // end file include
                    ?>
            </div>
            
            <div class="mid_box">
                <div class="mid_box_title">Current Battle</div>
                
                <img src="/pokemon/<?php echo $pokemon->{ 'pok' . $_SESSION['current_pokemon']}['pokePIC']; ?>" width="107" height="102">
                <div align="right"><img src="gym ledders/074.png" width="158" height="141"></div>

<?php
        if (isset($_POST['passalong']) && ($_SESSION['level_aquired'] == 2)) {    
            
            switch (Battle_Generator()) {
                case 1:
                    $_SESSION['Battle_Comment'] = 'You have lost the battle.';
                    echo ('<meta http-equiv="refresh" content="0;url=http:/Gyms.php">');
                    die;
                  break;
                
                case 0:
                    $_SESSION['Battle_Comment'] = "You have won the battle,<br/>
                            addiontally your pokemon has gained 2 levels,<br/>
                            you have gained 300 exp you have also won &pound;10.";
                    echo ('<meta http-equiv="refresh" content="0;url=http:/Gyms.php">');
                    die;
                  break;        
            }

        } else {
           ?>
            <form method="post" action="" name="myform" id="myform">                    
                      <p class="style3">Moves</p>
                        <a href="#" onClick="java script:PerformAttack('Ember');return false;"><h2>Ember<h2></a>
                        <a href="#" onClick="java script:PerformAttack('Fire Blast');return false;"><h2>Fire Blast</h2></a>

                        <a href="#" onClick="java script:PerformAttack('Slash');return false;"><h2>Slash<h2></a>
                        <a href="#" onClick="java script:PerformAttack('Fire Spin');return false;"><h2>Fire Spin</h2></a>

                        <input type="hidden" id="passalong" name="passalong" value=""/>
            </form>
<?php
        }
?>
    <script language="JavaScript" type="text/javascript">
        function PerformAttack(VAR) {
            <?php $_SESSION['level_aquired'] = 2; ?>
            document.getElementById("passalong").value = VAR;
            document.myform.submit();
        }
    </script>
            
            </div>
        </div>                
    </div>
    
<?php
    // random generator
    function Battle_Generator() {

        function executeWin() {
            $sql = "UPDATE user_pokemon
                    SET
                    pok".$_SESSION['current_pokemon']."LV = pok".$_SESSION['current_pokemon']."LV + 2,
                    pokeMONEY = pokeMONEY + 10,
                    pok".$_SESSION['current_pokemon']."EXP = pok".$_SESSION['current_pokemon']."EXP + 300
                    WHERE username = '$_SESSION[username]'";
    $results = mysql_query($sql) or die(mysql_error());

        }
        
        $gen_rand = array('Win','Lose', 'Lose');
        //$gen_rand = array('Win'); // for testing only

        $rand_pick = $gen_rand[array_rand($gen_rand)];
        
        if ($rand_pick == "Win") {
            executeWin();
            $_SESSION['level_aquired'] = 0;
            $_POST['passalong'] = '';
            return 0;
        }
        elseif ($rand_pick == "Lose") {
            $_SESSION['level_aquired'] = 0;
            $_POST['passalong'] = '';
            return 1;
        }
    }
    
    // all the stuff on the right column of the page
        include_once('sections/new_rightbar.php');
        
    // close everything down with a footer
    require('sections/footer.php');

?>

$probability = array();
$items = array($attack, $defense, $health, $magic);

foreach($items as $value) {
      if($value is > ${"v" . $value}) {
                $probability[$value] = 1;
      }
      else {
               $probability[$value] = 0;
       }
}

// Gets number of all set '1s' and '0s'
$probability = $probability['attack'] + $probability['defense'] + $probability['health'] + $probability['magic'];

if($probability >= count($items)) {
         echo "You have a stronger chance of winning";
}

else {
          echo "You will probably loose";
}

$grace = 1;
$count = count($items) - $grace;
if($probability >= $count) {
         echo "You have a stronger chance of winning";
}

<?php
    function bgColor($var) {
        if ($_SESSION['current_pokemon'] == $var) {
            return 'bgcolor="#FF9900"';
        } else {
            return 'bgcolor="#333333"';
        }
    }
            
    function pokmessage($var) {
        if ($_SESSION['current_pokemon'] == $var) {
            return 'ACTIVE';
        } else {
            return '<a href="java script:ChangeActive(\''.$var.'\');">'.$var.'</a>';
        }
    }
?>
        <input type="hidden" name="Changeactive2" id="Changeactive2" value=""/>
      </form>
      <tr bordercolor="black">
        <?php for ($x=1;$x<4;$x++) { ?>
        <td <?php echo bgColor($x); ?>><center class="style7">
            <span class="style7"><b><?php echo pokmessage($x); ?></b></span>
        </center></td>
        <?php } ?>
      </tr>
      <tr bordercolor="black">
        <?php
    if (isset($pokemon->pok1['pokeNAME'])) { ?>
        <th scope="row" align="center" width="70px"> <img src="/pokemon/<?php echo $pokemon->pok1['pokePIC']; ?>" alt="a" width="80" height="80"/>
            <p><?php echo $pokemon->pok1['pokeNAME'].'<br/>';  echo 'Level:'.$pokemon->levels[0].'<br/>';
                echo 'EXP:'.$pokemon->exp[0]; ?> </p></th>
        <?php }
    if (isset($pokemon->pok2['pokeNAME'])) { ?>
        <th scope="row" align="center" width="70px"> <img src="/pokemon/<?php echo $pokemon->pok2['pokePIC']; ?>" alt="a" width="80" height="80"/>
            <p><?php echo $pokemon->pok2['pokeNAME'].'<br/>';  echo 'Level:'.$pokemon->levels[1].'<br/>';
                echo 'EXP:'.$pokemon->exp[1]; ?> </p></th>
        <?php }
    if (isset($pokemon->pok3['pokeNAME'])) { ?>
        <th scope="row" align="center" width="70px"> <img src="/pokemon/<?php echo $pokemon->pok3['pokePIC']; ?>" alt="a" width="80" height="80"/>
            <p><?php echo $pokemon->pok3['pokeNAME'].'<br/>';  echo 'Level:'.$pokemon->levels[2].'<br/>';
                echo 'EXP:'.$pokemon->exp[2]; ?> </p></th>
        <?php }
    if (isset($pokemon->pok4['pokeNAME'])) { ?>
        <?php }
    if (isset($pokemon->pok5['pokeNAME'])) { ?>
        <?php }
    if (isset($pokemon->pok6['pokeNAME'])) { ?>
        <?php }  ?>
      </tr>
    </table>
      <table width="343" height="30" border="1">
        <tr>
          <td width="77"><p>&nbsp;</p>
              <p><img src="/pokemon/<?php echo $pokemon->pok4['pokePIC']; ?>" alt="a" width="80" height="80"/></p>
            <p><?php echo $pokemon->pok4['pokeNAME'].'<br/>';  echo 'Level:'.$pokemon->levels[3].'<br/>';
                echo 'EXP:'.$pokemon->exp[3]; ?></p>
            <p>&nbsp;</p></td>
          <td width="77"><p><img src="/pokemon/<?php echo $pokemon->pok5['pokePIC']; ?>" alt="a" width="80" height="80"/></p>
              <p><?php echo $pokemon->pok5['pokeNAME'].'<br/>';  echo 'Level:'.$pokemon->levels[4].'<br/>';
                echo 'EXP:'.$pokemon->exp[4]; ?></p></td>
          <td width="77"><p><img src="/pokemon/<?php echo $pokemon->pok6['pokePIC']; ?>" alt="a" width="80" height="80"/></p>
              <p><?php echo $pokemon->pok6['pokeNAME'].'<br/>';  echo 'Level:'.$pokemon->levels[5].'<br/>';
                echo 'EXP:'.$pokemon->exp[5]; ?></p></td>
        </tr>
      </table></td>
  </tr>
</table>
<p>&nbsp;</p>

$probability = array();
$items = array($attack, $defense, $health, $magic);

foreach($items as $value) {
      if($value is > ${"v" . $value}) {
                $probability[$value] = 1;
      }
      else {
               $probability[$value] = 0;
       }
}

// Gets number of all set '1s' and '0s'
$prob = rand($probability);

if ($prob == 1) {
      echo "You win";}

else {
      echo "You loose";}