Index: typo3/template.php
===================================================================
--- typo3/template.php	(revision 4697)
+++ typo3/template.php	(working copy)
@@ -1285,14 +1285,19 @@
 	 * Includes a javascript library that exists in the core /typo3/ directory. The
 	 * backpath is automatically applied
 	 *
-	 * @param	string		$lib: Library name. Call it with the full path
-	 * 				like "contrib/prototype/prototype.js" to load it
+	 * @param	string		$lib: Library. Call it with the full path
+	 * @param	string		$name: Library name. Use unique name for identify
+	 * 				like loadJavascriptLib("contrib/prototype/prototype.js", "prototype") to load it
 	 * @return	void
 	 */
-	function loadJavascriptLib($lib)	{
-		if (!isset($this->JScodeLibArray[$lib]))	{
-			$this->JScodeLibArray[$lib] = '<script type="text/javascript" src="'.$this->backPath.$lib.'"></script>';
+	function loadJavascriptLib($lib, $name='') {
+		if (!$name) {
+			$name = $lib;
 		}
+		if (!isset($this->JScodeLibArray[$name]))	{
+			$this->JScodeLibArray[$lib] = '<!-- include JavascriptLib: ' . htmlspecialchars($name) . ' -->
+				<script type="text/javascript" src="' . $this->backPath . $lib . '"></script>';
+		}
 	}