diff --git a/modules/node/views_plugin_argument_validate_node.inc b/modules/node/views_plugin_argument_validate_node.inc
index 018965d..85d1526 100644
--- a/modules/node/views_plugin_argument_validate_node.inc
+++ b/modules/node/views_plugin_argument_validate_node.inc
@@ -73,8 +73,9 @@ class views_plugin_argument_validate_node extends views_plugin_argument_validate
   }
 
   function validate_argument($argument) {
-    $types = $this->options['types'];
+    $argument = str_replace(' ', '', $argument);
 
+    $types = $this->options['types'];
     switch ($this->options['nid_type']) {
       case 'nid':
         if (!is_numeric($argument)) {
@@ -107,7 +108,6 @@ class views_plugin_argument_validate_node extends views_plugin_argument_validate
         if ($nids->value == array(-1)) {
           return FALSE;
         }
-
         $test = drupal_map_assoc($nids->value);
         $titles = array();
 
@@ -127,6 +127,7 @@ class views_plugin_argument_validate_node extends views_plugin_argument_validate
           unset($test[$node->nid]);
         }
 
+        $this->argument->argument = $argument;
         $this->argument->validated_title = implode($nids->operator == 'or' ? ' + ' : ', ', $titles);
         // If this is not empty, we did not find a nid.
         return empty($test);
diff --git a/modules/user/views_plugin_argument_validate_user.inc b/modules/user/views_plugin_argument_validate_user.inc
index b727094..aa6d1de 100644
--- a/modules/user/views_plugin_argument_validate_user.inc
+++ b/modules/user/views_plugin_argument_validate_user.inc
@@ -16,6 +16,7 @@ class views_plugin_argument_validate_user extends views_plugin_argument_validate
   function option_definition() {
     $options = parent::option_definition();
     $options['type'] = array('default' => 'uid');
+    $options['multiple_values'] = array('default' => FALSE, 'bool' => TRUE);
     $options['restrict_roles'] = array('default' => FALSE, 'bool' => TRUE);
     $options['roles'] = array('default' => array());
 
@@ -34,6 +35,12 @@ class views_plugin_argument_validate_user extends views_plugin_argument_validate
       '#default_value' => $this->options['type'],
     );
 
+	$form['multiple_values'] = array(
+      '#type' => 'checkbox',
+      '#title' => t('Allow multiple values separated by , or +'),
+      '#default_value' => $this->options['multiple_values'],
+    );
+
     $form['restrict_roles'] = array(
       '#type' => 'checkbox',
       '#title' => t('Restrict user based on role'),
@@ -62,47 +69,81 @@ class views_plugin_argument_validate_user extends views_plugin_argument_validate
   function convert_options(&$options) {
     if (!isset($options['type']) && isset($this->argument->options['validate_user_argument_type'])) {
       $options['type'] = $this->argument->options['validate_user_argument_type'];
+      $options['multiple_values'] = $this->argument->options['validate_multiple_values'];
       $options['restrict_roles'] = $this->argument->options['validate_user_restrict_roles'];
       $options['roles'] = $this->argument->options['validate_user_roles'];
     }
   }
 
   function validate_argument($argument) {
+    $argument = str_replace(' ', '', $argument);
+
     $type = $this->options['type'];
-    // is_numeric() can return false positives, so we ensure it's an integer.
-    // However, is_integer() will always fail, since $argument is a string.
-    if (is_numeric($argument) && $argument == (int)$argument) {
-      if ($type == 'uid' || $type == 'either') {
-        if ($argument == $GLOBALS['user']->uid) {
-          // If you assign an object to a variable in PHP, the variable
-          // automatically acts as a reference, not a copy, so we use
-          // clone to ensure that we don't actually mess with the
-          // real global $user object.
-          $account = clone $GLOBALS['user'];
-        }
-        $where = 'uid = :argument';
-      }
-    }
-    else {
-      if ($type == 'name' || $type == 'either') {
-        $name = !empty($GLOBALS['user']->name) ? $GLOBALS['user']->name : variable_get('anonymous', t('Anonymous'));
-        if ($argument == $name) {
-          $account = clone $GLOBALS['user'];
-        }
-        $where = "name = :argument";
-      }
-    }
+	$arguments = array();
+
+	if($this->options['multiple_values'] == TRUE){
+		if(strstr($argument, ',') !== FALSE){
+			$arguments = explode(',', $argument);
+		}
+		if(strstr($argument, '+') !== FALSE){
+			$arguments = explode('+', $argument);
+		}
+	}
+
+	if(empty($arguments)){
+		$arguments[] = $argument;
+	}
+
+	$accounts = array();
+	$where = array();
+
+	foreach($arguments as $argument){
+		// is_numeric() can return false positives, so we ensure it's an integer.
+		// However, is_integer() will always fail, since $argument is a string.
+		if (is_numeric($argument) && $argument == (int)$argument) {
+		  if ($type == 'uid' || $type == 'either') {
+			$where['uids'][] = $argument;
+		  }
+		}
+		else {
+		  if ($type == 'name' || $type == 'either') {
+			$where['names'][] = '\''.$argument.'\'';
+		  }
+		}
+	}
 
     // If we don't have a WHERE clause, the argument is invalid.
     if (empty($where)) {
       return FALSE;
     }
 
-    if (!isset($account)) {
-      $query = "SELECT uid, name FROM {users} WHERE $where";
-      $account = db_query($query, array(':argument' => $argument))->fetchObject();
+	if(isset($where['uids'])){
+		$uid_string = '('.implode(',', $where['uids']).')';
+		if(isset($where['names'])){
+			$where_uids = 'uid in '.$uid_string;
+		}
+		else{
+			$where_string = 'uid in '.$uid_string;
+		}
+	}
+	if(isset($where['names'])){
+		$name_string = '('.implode(',', $where['names']).')';
+		if(isset($where['uids'])){
+			$where_names = 'name in '.$name_string;
+		}
+		else{
+			$where_string = 'name in '.$name_string;
+		}
+	}
+	if(!isset($where_string)){
+		$where_string = $where_uids.' OR '.$where_names;
+	}
+
+    if (isset($where_string)) {
+      $query = "SELECT uid, name FROM {users} WHERE $where_string";
+      $accounts = db_query($query)->fetchAll();
     }
-    if (empty($account)) {
+    if (empty($accounts)) {
       // User not found.
       return FALSE;
     }
@@ -110,19 +151,29 @@ class views_plugin_argument_validate_user extends views_plugin_argument_validate
     // See if we're filtering users based on roles.
     if (!empty($this->options['restrict_roles']) && !empty($this->options['roles'])) {
       $roles = $this->options['roles'];
-      $account->roles = array();
-      $account->roles[] = $account->uid ? DRUPAL_AUTHENTICATED_RID : DRUPAL_ANONYMOUS_RID;
-      $result = db_query('SELECT rid FROM {users_roles} WHERE uid = :uid', array(':uid' => $account->uid));
-      foreach ($result as $role) {
-        $account->roles[] = $role->rid;
-      }
-      if (!(bool) array_intersect($account->roles, $roles)) {
-        return FALSE;
-      }
+	  foreach($accounts as $account){
+		  $account->roles = array();
+		  $account->roles[] = $account->uid ? DRUPAL_AUTHENTICATED_RID : DRUPAL_ANONYMOUS_RID;
+		  $result = db_query('SELECT rid FROM {users_roles} WHERE uid = :uid', array(':uid' => $account->uid));
+		  foreach ($result as $role) {
+			$account->roles[] = $role->rid;
+		  }
+		  if (!(bool) array_intersect($account->roles, $roles)) {
+			return FALSE;
+		  }
+	  }
     }
 
-    $this->argument->argument = $account->uid;
-    $this->argument->validated_title = check_plain(format_username($account));
+	$account_uids = array();
+	$account_names = array();
+
+	foreach($accounts as $account){
+		$account_uids[] = $account->uid;
+		$account_names[] = check_plain(format_username($account));
+	}
+
+	$this->argument->argument = implode(',', $account_uids);
+	$this->argument->validated_title = implode(',', $account_names);
     return TRUE;
   }