Index: branches/5.1.x/core/units/helpers/skin_helper.php
===================================================================
diff -u -r12657 -r13086
--- branches/5.1.x/core/units/helpers/skin_helper.php	(.../skin_helper.php)	(revision 12657)
+++ branches/5.1.x/core/units/helpers/skin_helper.php	(.../skin_helper.php)	(revision 13086)
@@ -9,7 +9,7 @@
 * the GNU General Public License, and as distributed it includes
 * or is derivative of works licensed under the GNU General Public License
 * or other free or open source software licenses.
-* See http://www.in-portal.net/license/ for copyright notices and details.
+* See http://www.in-portal.org/license for copyright notices and details.
 */
 
 	defined('FULL_PATH') or die('restricted access!');
@@ -165,9 +165,9 @@
 		/**
 		 * Returns full path to primary admin skin using given or last compiled date
 		 *
-		 * @param unknown_type $url
-		 * @param unknown_type $compile_date
-		 * @return unknown
+		 * @param string $url
+		 * @param int $compile_date
+		 * @return string
 		 */
 		function getSkinPath($url = false, $compile_date = null)
 		{
@@ -205,4 +205,21 @@
 
 			return $last_compiled;
 		}
+
+		/**
+		 * Deletes all compiled versions of all skins
+		 *
+		 */
+		function deleteCompiled()
+		{
+			$dh = dir($this->_getStylesheetPath() . DIRECTORY_SEPARATOR);
+
+			while (false !== ($file = $dh->read())) {
+				if ( preg_match('/admin-(.*)-([\d]+).css/', $file, $rets) ) {
+					unlink($dh->path . $file);
+				}
+			}
+
+			$dh->close();
+		}
 	}
\ No newline at end of file