event setup question

/* function called by first form */
// pass entered info to next form
// runs on eFormOnBeforeMailSent event

function passInfo( &$fields ){

   global $modx;

   $_SESSION['start']='start';
   $_SESSION['startemail']=$fields['email'];
   $_SESSION['prepopulate']='yes';

   $appdocid=434; //id of application page
   $apppage= $modx->makeUrl($appdocid);
   return $modx->sendRedirect($apppage);

}

/* functions called by second form */
// get saved info from database
// runs on eFormOnBeforeFormMerge event

function populateData( &$fields ){
   global $modx;
   if ($_SESSION['start']=='start'){
      $fields['email'] = $_POST['email'] = strtolower($_SESSION['startemail']);
      $query = "SELECT * FROM modx_applications WHERE email='".$modx->db->escape($fields['email'])."' and status='unfinished'";
      $result = $modx->dbQuery($query);
      if(mysql_num_rows($result)!=1){ // Starting a new application - inserts the data, but doesn't populate the email field in the form
         $query = "INSERT INTO modx_applications SET email='".$modx->db->escape($fields['email'])."', status='unfinished', started=NOW(), modified=NOW()";
         $result = $modx->dbQuery($query);
         $fields['appid'] = $_POST['appid'] = mysql_insert_id();
      }
      else{ // Continuing a saved application
         $appInfo=mysql_fetch_array($result, MYSQL_ASSOC);
         foreach($appInfo as $key=>$value){
            if($key!='status' && $key!='started' && $key!='modified'){
               $fields[$key] = $_POST[$key] = $appInfo[$key];
               //echo '<p>'.$key.' - '.$value.'</p>';  // I can tell by echoing this data that the database info is being recalled correctly
            }
         }
      }
   $_SESSION['start']='';
   $_POST['formid']='application';
   }
   return true;
}

// function to store submitted data in the database
// runs on eformOnValidate event

function updateDatabase( &$fields, &$vMsg, &$rMsg ){
   global $modx;
   global $_lang;
   $fields['email'] = strtolower($fields['email']);
   foreach($fields as $key=>$value){
      $fields[$key] = str_replace('"', '"', $value);
   }
   if ($_SESSION['prepopulate']=='yes'){
         $fields['validationmessage']='';
         $vMsg=array(' ');
         $rMsg=array();
         $_lang["ef_validation_message"]='';
         $_SESSION['prepopulate']='no';
   }
   elseif ($fields['save']=='save'){
      if ( !preg_match('/^(?:[a-z0-9_-]+?\.)*?[a-z0-9_-]+?@(?:[a-z0-9_-]+?\.)*?[a-z0-9_-]+?\.[a-z0-9]{2,5}$/i', $fields['email']) ) {
      $fields['validationmessage']='You must enter a valid email address in order to save your unfinished application. You will need it to retrieve your information later.';
      $vMsg=array(' ');
      $rMsg=array();
      $_lang["ef_validation_message"]='';
      }
      else{
      $query = 'UPDATE modx_applications SET ';
         foreach($fields as $key=>$value){
            if($key!='formid' && $key!='appid' && $key!='send' && $key!='save' && $key!='savebutton' && $key!='validationmessage'){
               $query .= $key.'=\''.$modx->db->escape($value).'\', ';
               // echo '<p>'.$key.' - '.$value.'</p>';
            }
         }
      $query .= 'status=\'unfinished\', ';
      $query .= ' modified=NOW()';
      $query .= ' WHERE appid=\''.$fields['appid'].'\'';
      $result = $modx->dbQuery($query);
      $fields['validationmessage']='<h3>Your information has been saved.</h3>';
      $vMsg=array(' ');
      $rMsg=array();
      $_lang["ef_validation_message"]='';
      }
   }
   return true;
}

// saves final info into database
// runs on eFormOnMailSent event

function finalizeDatabase( &$fields ){
   global $modx;
   $query = 'UPDATE modx_applications SET ';
      foreach($fields as $key=>$value){
         if($key!='formid' && $key!='appid' && $key!='send' && $key!='save' && $key!='savebutton' && $key!='validationmessage' && $key!='postdate' && $key!='disclaimer' && $key!='subject'){
            $query .= $key.'=\''.$modx->db->escape($value).'\', ';
            // echo '<p>'.$key.' - '.$value.'</p>';
         }
      }
   $query .= 'status=\'complete\', ';
   $query .= ' modified=NOW()';
   $query .= ' WHERE appid=\''.$fields['appid'].'\'';
   $result = $modx->dbQuery($query);
   return true;
}

/* minor change to eform.inc.php at line # 141 (eForm 1.4.1) */

	if ($isPostBack || $_SESSION['prepopulate']=='yes') {

if StepCompleted = '2' 
    then header: location 'step3-page', 
else if StepCompleted = '1' 
    then header: location 'step2-page', 
else 
    header: location 'step1-page'