diff --git a/core/config.class.php b/core/config.class.php
index b6d4cc64..9e04374f 100644
--- a/core/config.class.php
+++ b/core/config.class.php
@@ -8,14 +8,17 @@ interface Config {
 	public function set_int($name, $value);
 	public function set_string($name, $value);
 	public function set_bool($name, $value);
+	public function set_array($name, $value);
 
 	public function set_default_int($name, $value);
 	public function set_default_string($name, $value);
 	public function set_default_bool($name, $value);
+	public function set_default_array($name, $value);
 
 	public function get_int($name, $default=null);
 	public function get_string($name, $default=null);
 	public function get_bool($name, $default=null);
+	public function get_array($name, $default=array());
 }
 
 
@@ -38,6 +41,11 @@ abstract class BaseConfig implements Config {
 		$this->values[$name] = (($value == 'on' || $value === true) ? 'Y' : 'N');
 		$this->save($name);
 	}
+	public function set_array($name, $value) {
+		assert(is_array($value));
+		$this->values[$name] = implode(",", $value);
+		$this->save($name);
+	}
 
 	public function set_default_int($name, $value) {
 		if(is_null($this->get($name))) {
@@ -54,6 +62,12 @@ abstract class BaseConfig implements Config {
 			$this->values[$name] = (($value == 'on' || $value === true) ? 'Y' : 'N');
 		}
 	}
+	public function set_default_array($name, $value) {
+		assert(is_array($value));
+		if(is_null($this->get($name))) {
+			$this->values[$name] = implode(",", $value);
+		}
+	}
 
 	public function get_int($name, $default=null) {
 		return (int)($this->get($name, $default));
@@ -64,6 +78,9 @@ abstract class BaseConfig implements Config {
 	public function get_bool($name, $default=null) {
 		return ($this->get($name, $default) == 'Y');
 	}
+	public function get_array($name, $default=array()) {
+		return explode(",", $this->get($name, ""));
+	}
 
 	private function get($name, $default=null) {
 		if(isset($this->values[$name])) {
diff --git a/ext/setup/main.php b/ext/setup/main.php
index dde0275d..cc4c923a 100644
--- a/ext/setup/main.php
+++ b/ext/setup/main.php
@@ -132,6 +132,26 @@ class SetupBlock extends Block {
 
 		$this->body .= $html;
 	}
+
+	public function add_multichoice_option($name, $options, $label=null) {
+		global $config;
+		$current = $config->get_array($name);
+
+		if(!is_null($label)) {
+			$this->body .= "<label for='$name'>$label</label>";
+		}
+		$html = "<select id='$name' name='_config_{$name}[]' multiple size='5'>";
+		foreach($options as $optname => $optval) {
+			if(in_array($optval, $current)) $selected=" selected";
+			else $selected="";
+			$html .= "<option value='$optval'$selected>$optname</option>\n";
+		}
+		$html .= "</select>";
+		$this->body .= "<input type='hidden' name='_type_$name' value='array'>\n";
+		$this->body .= "<!--<br><br><br><br>-->\n"; // setup page auto-layout counts <br> tags
+
+		$this->body .= $html;
+	}
 }
 // }}}
 
@@ -225,6 +245,7 @@ class Setup extends SimpleExtension {
 		$sb->add_text_option("main_page", "<br>Main page: ");
 		$sb->add_text_option("contact_link", "<br>Contact URL: ");
 		$sb->add_choice_option("theme", $themes, "<br>Theme: ");
+		//$sb->add_multichoice_option("testarray", array("a" => "b", "c" => "d"), "<br>Test Array: ");
 		$sb->add_bool_option("nice_urls", "<br>Nice URLs: ");
 		$sb->add_label("<span id='nicetest'>(Javascript inactive, can't test!)</span>$nicescript");
 		$event->panel->add_block($sb);
@@ -241,6 +262,7 @@ class Setup extends SimpleExtension {
 					case "string": $config->set_string($name, $value); break;
 					case "int":    $config->set_int($name, $value);    break;
 					case "bool":   $config->set_bool($name, $value);   break;
+					case "array":  $config->set_array($name, $value);  break;
 				}
 			}
 		}