Index: wp-includes/default-filters.php
===================================================================
--- wp-includes/default-filters.php	(revision 7969)
+++ wp-includes/default-filters.php	(working copy)
@@ -175,6 +175,7 @@
 add_action('do_robots', 'do_robots');
 add_action('sanitize_comment_cookies', 'sanitize_comment_cookies');
 add_action('admin_print_scripts', 'wp_print_scripts', 20);
+add_action('admin_print_styles', 'wp_print_styles', 20);
 add_action('init', 'smilies_init', 5);
 add_action( 'plugins_loaded', 'wp_maybe_load_widgets', 0 );
 add_action( 'shutdown', 'wp_ob_end_flush_all', 1);
Index: wp-includes/functions.wp-scripts.php
===================================================================
--- wp-includes/functions.wp-scripts.php	(revision 0)
+++ wp-includes/functions.wp-scripts.php	(revision 0)
@@ -0,0 +1,77 @@
+<?php
+
+/**
+ * Prints script tags in document head
+ *
+ * Called by admin-header.php and by wp_head hook. Since it is called by wp_head on every page load,
+ * the function does not instantiate the WP_Scripts object unless script names are explicitly passed.
+ * Does make use of already instantiated $wp_scripts if present.
+ * Use provided wp_print_scripts hook to register/enqueue new scripts.
+ *
+ * @see WP_Scripts::print_scripts()
+ */
+function wp_print_scripts( $handles = false ) {
+	do_action( 'wp_print_scripts' );
+	if ( '' === $handles ) // for wp_head
+		$handles = false;
+
+	global $wp_scripts;
+	if ( !is_a($wp_scripts, 'WP_Scripts') ) {
+		if ( !$handles )
+			return array(); // No need to instantiate if nothing's there.
+		else
+			$wp_scripts = new WP_Scripts();
+	}
+
+	return $wp_scripts->do_items( $handles );
+}
+
+function wp_register_script( $handle, $src, $deps = array(), $ver = false ) {
+	global $wp_scripts;
+	if ( !is_a($wp_scripts, 'WP_Scripts') )
+		$wp_scripts = new WP_Scripts();
+
+	$wp_scripts->add( $handle, $src, $deps, $ver );
+}
+
+/**
+ * Localizes a script
+ *
+ * Localizes only if script has already been added
+ *
+ * @see WP_Script::localize()
+ */
+function wp_localize_script( $handle, $object_name, $l10n ) {
+	global $wp_scripts;
+	if ( !is_a($wp_scripts, 'WP_Scripts') )
+		return false;
+
+	return $wp_scripts->localize( $handle, $object_name, $l10n );
+}
+
+function wp_deregister_script( $handle ) {
+	global $wp_scripts;
+	if ( !is_a($wp_scripts, 'WP_Scripts') )
+		$wp_scripts = new WP_Scripts();
+
+	$wp_scripts->remove( $handle );
+}
+
+/**
+ * Equeues script
+ *
+ * Registers the script if src provided (does NOT overwrite) and enqueues.
+ *
+ * @see WP_Script::add(), WP_Script::enqueue()
+*/
+function wp_enqueue_script( $handle, $src = false, $deps = array(), $ver = false ) {
+	global $wp_scripts;
+	if ( !is_a($wp_scripts, 'WP_Scripts') )
+		$wp_scripts = new WP_Scripts();
+
+	if ( $src ) {
+		$_handle = explode('?', $handle);
+		$wp_scripts->add( $_handle[0], $src, $deps, $ver );
+	}
+	$wp_scripts->enqueue( $handle );
+}
Index: wp-includes/class.wp-styles.php
===================================================================
--- wp-includes/class.wp-styles.php	(revision 0)
+++ wp-includes/class.wp-styles.php	(revision 0)
@@ -0,0 +1,49 @@
+<?php
+
+class WP_Styles extends WP_Dependencies {
+	var $base_url;
+	var $default_version;
+
+	function __construct() {
+		do_action_ref_array( 'wp_default_styles', array(&$this) );
+	}
+
+	function do_item( $handle ) {
+		if ( !parent::do_item($handle) )
+			return false;
+
+		$ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version;
+		if ( isset($this->args[$handle]) )
+			$ver .= '&amp;' . $this->args[$handle];
+
+		if ( isset($this->registered[$handle]->args) )
+			$media = attribute_escape( $this->registered[$handle]->args );
+		else
+			$media = 'all';
+
+		$src = $this->registered[$handle]->src;
+		if ( !preg_match('|^https?://|', $src) ) {
+			$src = $this->base_url . $src;
+		}
+
+		$src = add_query_arg('ver', $ver, $src);
+		$src = clean_url(apply_filters( 'style_loader_src', $src ));
+
+		echo "<link rel='stylesheet' href='$src' type='text/css' media='$media' />\n";
+
+		// Could do something with $this->registered[$handle]->extra here to print out extra CSS rules
+//		echo "<style type='text/css'>\n";
+//		echo "/* <![CDATA[ */\n";
+//		echo "/* ]]> */\n";
+//		echo "</style>\n";
+
+		return true;
+	}
+
+	function all_deps( $handles, $recursion = false ) {
+		$r = parent::all_deps( $handles, $recursion );
+		if ( !$recursion )
+			$this->to_do = apply_filters( 'print_styles_array', $this->to_do );
+		return $r;
+	}
+}
Index: wp-includes/class.wp-dependencies.php
===================================================================
--- wp-includes/class.wp-dependencies.php	(revision 0)
+++ wp-includes/class.wp-dependencies.php	(revision 0)
@@ -0,0 +1,193 @@
+<?php
+
+class WP_Dependencies {
+	var $registered = array();
+	var $queue = array();
+	var $to_do = array();
+	var $done = array();
+	var $args = array();
+
+	function WP_Dependencies() {
+		$args = func_get_args();
+		call_user_func_array( array(&$this, '__construct'), $args );
+	}
+
+	function __construct() {}
+
+	/**
+	 * Do the dependencies
+	 *
+	 * Process the items passed to it or the queue.  Processes all dependencies.
+	 *
+	 * @param mixed handles (optional) items to be processed.  (void) processes queue, (string) process that item, (array of strings) process those items
+	 * @return array Items that have been processed
+	 */
+	function do_items( $handles = false ) {
+		// Print the queue if nothing is passed.  If a string is passed, print that script.  If an array is passed, print those scripts.
+		$handles = false === $handles ? $this->queue : (array) $handles;
+		$this->all_deps( $handles );
+
+		foreach( $this->to_do as $handle ) {
+			if ( !in_array($handle, $this->done) && isset($this->registered[$handle]) ) {
+				if ( $this->registered[$handle]->src ) { // Else it defines a group.
+					$this->do_item( $handle );
+				}
+				$this->done[] = $handle;
+			}
+		}
+
+		$this->to_do = array();
+		return $this->done;
+	}
+
+	function do_item( $handle ) {
+		return isset($this->registered[$handle]);
+	}
+
+	/**
+	 * Determines dependencies
+	 *
+	 * Recursively builds array of items to process taking dependencies into account.  Does NOT catch infinite loops.
+	 *
+
+	 * @param mixed handles Accepts (string) dep name or (array of strings) dep names
+	 * @param bool recursion Used internally when function calls itself
+	 */
+	function all_deps( $handles, $recursion = false ) {
+		if ( !$handles = (array) $handles )
+			return false;
+
+		foreach ( $handles as $handle ) {
+			$handle = explode('?', $handle);
+			if ( isset($handle[1]) )
+				$this->args[$handle[0]] = $handle[1];
+			$handle = $handle[0];
+
+			if ( isset($this->to_do[$handle]) ) // Already grobbed it and its deps
+				continue;
+
+			$keep_going = true;
+			if ( !isset($this->registered[$handle]) )
+				$keep_going = false; // Script doesn't exist
+			elseif ( $this->registered[$handle]->deps && array_diff($this->registered[$handle]->deps, array_keys($this->registered)) )
+				$keep_going = false; // Script requires deps which don't exist (not a necessary check.  efficiency?)
+			elseif ( $this->registered[$handle]->deps && !$this->all_deps( $this->registered[$handle]->deps, true ) )
+				$keep_going = false; // Script requires deps which don't exist
+
+			if ( !$keep_going ) { // Either script or its deps don't exist.
+				if ( $recursion )
+					return false; // Abort this branch.
+				else
+					continue; // We're at the top level.  Move on to the next one.
+			}					
+
+			$this->to_do[$handle] = true;
+		}
+
+		if ( !$recursion ) // at the end
+			$this->to_do = array_keys( $this->to_do );
+		return true;
+	}
+
+	/**
+	 * Adds item
+	 *
+	 * Adds the item only if no item of that name already exists
+	 *
+	 * @param string handle Script name
+	 * @param string src Script url
+	 * @param array deps (optional) Array of script names on which this script depends
+	 * @param string ver (optional) Script version (used for cache busting)
+	 * @return array Hierarchical array of dependencies
+	 */
+	function add( $handle, $src, $deps = array(), $ver = false, $args = null ) {
+		if ( isset($this->registered[$handle]) )
+			return false;
+		$this->registered[$handle] = new _WP_Dependency( $handle, $src, $deps, $ver, $args );
+		return true;
+	}
+
+	/**
+	 * Adds extra data
+	 *
+	 * Adds data only if script has already been added
+	 *
+	 * @param string handle Script name
+	 * @param string data_name Name of object in which to store extra data
+	 * @param array data Array of extra data
+	 * @return bool success
+	 */
+	function add_data( $handle, $data_name, $data ) {
+		if ( !isset($this->registered[$handle]) )
+			return false;
+		return $this->registered[$handle]->add_data( $data_name, $data );
+	}
+
+	function remove( $handles ) {
+		foreach ( (array) $handles as $handle )
+			unset($this->registered[$handle]);
+	}
+
+	function enqueue( $handles ) {
+		foreach ( (array) $handles as $handle ) {
+			$handle = explode('?', $handle);
+			if ( !in_array($handle[0], $this->queue) && isset($this->registered[$handle[0]]) ) {
+				$this->queue[] = $handle[0];
+				if ( isset($handle[1]) )
+					$this->args[$handle[0]] = $handle[1];
+			}
+		}
+	}
+
+	function dequeue( $handles ) {
+		foreach ( (array) $handles as $handle )
+			unset( $this->queue[$handle] );
+	}
+
+	function query( $handle, $list = 'registered' ) { // registered, queue, done, to_do
+		switch ( $list ) :
+		case 'registered':
+		case 'scripts': // back compat
+			if ( isset($this->registered[$handle]) )
+				return $this->registered[$handle];
+			break;
+		case 'to_print': // back compat
+		case 'printed': // back compat
+			if ( 'to_print' == $list )
+				$list = 'to_do';
+			else
+				$list = 'printed';
+		default:
+			if ( in_array($handle, $this->$list) )
+				return true;
+			break;
+		endswitch;
+		return false;
+	}
+
+}
+
+class _WP_Dependency {
+	var $handle;
+	var $src;
+	var $deps = array();
+	var $ver = false;
+	var $args = null;
+
+	var $extra = array();
+
+	function _WP_Dependency() {
+		@list($this->handle, $this->src, $this->deps, $this->ver, $this->args) = func_get_args();
+		if ( !is_array($this->deps) )
+			$this->deps = array();
+		if ( !$this->ver )
+			$this->ver = false;
+	}
+
+	function add_data( $name, $data ) {
+		if ( !is_scalar($name) )
+			return false;
+		$this->extra[$name] = $data;
+		return true;
+	}
+}
Index: wp-includes/functions.wp-styles.php
===================================================================
--- wp-includes/functions.wp-styles.php	(revision 0)
+++ wp-includes/functions.wp-styles.php	(revision 0)
@@ -0,0 +1,45 @@
+<?php
+
+function wp_print_styles( $handles = false ) {
+	do_action( 'wp_print_styles' );
+	if ( '' === $handles ) // for wp_head
+		$handles = false;
+
+	global $wp_styles;
+	if ( !is_a($wp_styles, 'WP_Styles') ) {
+		if ( !$handles )
+			return array(); // No need to instantiate if nothing's there.
+		else
+			$wp_stlyes = new WP_Styles();
+	}
+
+	return $wp_styles->do_items( $handles );
+}
+
+function wp_register_style( $handle, $src, $deps = array(), $ver = false, $media = false ) {
+	global $wp_styles;
+	if ( !is_a($wp_styles, 'WP_Styles') )
+		$wp_styles = new WP_Styles();
+
+	$wp_styles->add( $handle, $src, $deps, $ver, $media );
+}
+
+function wp_deregister_style( $handle ) {
+	global $wp_styles;
+	if ( !is_a($wp_styles, 'WP_Styles') )
+		$wp_styles = new WP_Styles();
+
+	$wp_styles->remove( $handle );
+}
+
+function wp_enqueue_style( $handle, $src = false, $deps = array(), $ver = false, $media = false ) {
+	global $wp_styles;
+	if ( !is_a($wp_styles, 'WP_Styles') )
+		$wp_styles = new WP_Styles();
+
+	if ( $src ) {
+		$_handle = explode('?', $handle);
+		$wp_styles->add( $_handle[0], $src, $deps, $ver, $media );
+	}
+	$wp_styles->enqueue( $handle );
+}
Index: wp-includes/class.wp-scripts.php
===================================================================
--- wp-includes/class.wp-scripts.php	(revision 0)
+++ wp-includes/class.wp-scripts.php	(revision 0)
@@ -0,0 +1,89 @@
+<?php
+
+class WP_Scripts extends WP_Dependencies {
+	var $base_url; // Full URL with trailing slash
+	var $default_version;
+
+	function __construct() {
+		do_action_ref_array( 'wp_default_scripts', array(&$this) );
+	}
+
+	/**
+	 * Prints scripts
+	 *
+	 * Prints the scripts passed to it or the print queue.  Also prints all necessary dependencies.
+	 *
+	 * @param mixed handles (optional) Scripts to be printed.  (void) prints queue, (string) prints that script, (array of strings) prints those scripts.
+	 * @return array Scripts that have been printed
+	 */
+	function print_scripts( $handles = false ) {
+		return $this->do_items( $handles );
+	}
+
+	function print_scripts_l10n( $handle ) {
+		if ( empty($this->registered[$handle]->extra['l10n']) || empty($this->registered[$handle]->extra['l10n'][0]) || !is_array($this->registered[$handle]->extra['l10n'][1]) )
+			return false;
+
+		$object_name = $this->registered[$handle]->extra['l10n'][0];
+
+		echo "<script type='text/javascript'>\n";
+		echo "/* <![CDATA[ */\n";
+		echo "\t$object_name = {\n";
+		$eol = '';
+		foreach ( $this->registered[$handle]->extra['l10n'][1] as $var => $val ) {
+			echo "$eol\t\t$var: \"" . js_escape( $val ) . '"';
+			$eol = ",\n";
+		}
+		echo "\n\t}\n";
+		echo "/* ]]> */\n";
+		echo "</script>\n";
+
+		return true;
+	}
+
+	function do_item( $handle ) {
+		if ( !parent::do_item($handle) )
+			return false;
+
+		$ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version;
+		if ( isset($this->args[$handle]) )
+			$ver .= '&amp;' . $this->args[$handle];
+
+		$src = $this->registered[$handle]->src;
+		if ( !preg_match('|^https?://|', $src) ) {
+			$src = $this->base_url . $src;
+		}
+
+		$src = add_query_arg('ver', $ver, $src);
+		$src = clean_url(apply_filters( 'script_loader_src', $src ));
+
+		$this->print_scripts_l10n( $handle );
+
+		echo "<script type='text/javascript' src='$src'></script>\n";
+
+		return true;
+	}
+
+	/**
+	 * Localizes a script
+	 *
+	 * Localizes only if script has already been added
+	 *
+	 * @param string handle Script name
+	 * @param string object_name Name of JS object to hold l10n info
+	 * @param array l10n Array of JS var name => localized string
+	 * @return bool Successful localization
+	 */
+	function localize( $handle, $object_name, $l10n ) {
+		if ( !$object_name || !$l10n )
+			return false;
+		return $this->add_data( $handle, 'l10n', array( $object_name, $l10n ) );
+	}
+
+	function all_deps( $handles, $recursion = false ) {
+		$r = parent::all_deps( $handles, $recursion );
+		if ( !$recursion )
+			$this->to_do = apply_filters( 'print_scripts_array', $this->to_do );
+		return $r;
+	}
+}
Index: wp-includes/script-loader.php
===================================================================
--- wp-includes/script-loader.php	(revision 7969)
+++ wp-includes/script-loader.php	(working copy)
@@ -1,491 +1,214 @@
 <?php
-class WP_Scripts {
-	var $scripts = array();
-	var $queue = array();
-	var $to_print = array();
-	var $printed = array();
-	var $args = array();
 
-	function WP_Scripts() {
-		$this->default_scripts();
-	}
+require( ABSPATH . WPINC . '/class.wp-dependencies.php' );
+require( ABSPATH . WPINC . '/class.wp-scripts.php' );
+require( ABSPATH . WPINC . '/functions.wp-scripts.php' );
+require( ABSPATH . WPINC . '/class.wp-styles.php' );
+require( ABSPATH . WPINC . '/functions.wp-styles.php' );
 
-	function default_scripts() {
-		$this->add( 'common', '/wp-admin/js/common.js', array('jquery'), '20080318' );
-		$this->add( 'sack', '/wp-includes/js/tw-sack.js', false, '1.6.1' );
+function wp_default_scripts( $scripts ) {
+	$scripts->base_url = get_option( 'siteurl' );
+	$scripts->default_version = get_bloginfo( 'version' );
 
-		$this->add( 'quicktags', '/wp-includes/js/quicktags.js', false, '3958' );
-		$this->localize( 'quicktags', 'quicktagsL10n', array(
-			'quickLinks' => __('(Quick Links)'),
-			'wordLookup' => __('Enter a word to look up:'),
-			'dictionaryLookup' => attribute_escape(__('Dictionary lookup')),
-			'lookup' => attribute_escape(__('lookup')),
-			'closeAllOpenTags' => attribute_escape(__('Close all open tags')),
-			'closeTags' => attribute_escape(__('close tags')),
-			'enterURL' => __('Enter the URL'),
-			'enterImageURL' => __('Enter the URL of the image'),
-			'enterImageDescription' => __('Enter a description of the image')
-		) );
+	$scripts->add( 'common', '/wp-admin/js/common.js', array('jquery'), '20080318' );
+	$scripts->add( 'sack', '/wp-includes/js/tw-sack.js', false, '1.6.1' );
 
-		$this->add( 'colorpicker', '/wp-includes/js/colorpicker.js', array('prototype'), '3517' );
+	$scripts->add( 'quicktags', '/wp-includes/js/quicktags.js', false, '3958' );
+	$scripts->localize( 'quicktags', 'quicktagsL10n', array(
+		'quickLinks' => __('(Quick Links)'),
+		'wordLookup' => __('Enter a word to look up:'),
+		'dictionaryLookup' => attribute_escape(__('Dictionary lookup')),
+		'lookup' => attribute_escape(__('lookup')),
+		'closeAllOpenTags' => attribute_escape(__('Close all open tags')),
+		'closeTags' => attribute_escape(__('close tags')),
+		'enterURL' => __('Enter the URL'),
+		'enterImageURL' => __('Enter the URL of the image'),
+		'enterImageDescription' => __('Enter a description of the image')
+	) );
 
-		// Let a plugin replace the visual editor
-		$visual_editor = apply_filters('visual_editor', array('tiny_mce'));
-		$this->add( 'editor', false, $visual_editor, '20080321' );
+	$scripts->add( 'colorpicker', '/wp-includes/js/colorpicker.js', array('prototype'), '3517' );
 
-		$this->add( 'editor_functions', '/wp-admin/js/editor.js', false, '20080325' );
+	// Let a plugin replace the visual editor
+	$visual_editor = apply_filters('visual_editor', array('tiny_mce'));
+	$scripts->add( 'editor', false, $visual_editor, '20080321' );
 
-		// Modify this version when tinyMCE plugins are changed.
-		$mce_version = apply_filters('tiny_mce_version', '20080423');
-		$this->add( 'tiny_mce', '/wp-includes/js/tinymce/tiny_mce_config.php', array('editor_functions'), $mce_version );
+	$scripts->add( 'editor_functions', '/wp-admin/js/editor.js', false, '20080325' );
 
-		$this->add( 'prototype', '/wp-includes/js/prototype.js', false, '1.6');
+	// Modify this version when tinyMCE plugins are changed.
+	$mce_version = apply_filters('tiny_mce_version', '20080423');
+	$scripts->add( 'tiny_mce', '/wp-includes/js/tinymce/tiny_mce_config.php', array('editor_functions'), $mce_version );
 
-		$this->add( 'wp-ajax-response', '/wp-includes/js/wp-ajax-response.js', array('jquery'), '20080316' );
-		$this->localize( 'wp-ajax-response', 'wpAjax', array(
-			'noPerm' => __('You do not have permission to do that.'),
-			'broken' => __('An unidentified error has occurred.')
-		) );
+	$scripts->add( 'prototype', '/wp-includes/js/prototype.js', false, '1.6');
 
-		$this->add( 'autosave', '/wp-includes/js/autosave.js', array('schedule', 'wp-ajax-response'), '20080508' );
+	$scripts->add( 'wp-ajax-response', '/wp-includes/js/wp-ajax-response.js', array('jquery'), '20080316' );
+	$scripts->localize( 'wp-ajax-response', 'wpAjax', array(
+		'noPerm' => __('You do not have permission to do that.'),
+		'broken' => __('An unidentified error has occurred.')
+	) );
 
-		$this->add( 'wp-ajax', '/wp-includes/js/wp-ajax.js', array('prototype'), '20070306');
-		$this->localize( 'wp-ajax', 'WPAjaxL10n', array(
-			'defaultUrl' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
-			'permText' => __("You do not have permission to do that."),
-			'strangeText' => __("Something strange happened.  Try refreshing the page."),
-			'whoaText' => __("Slow down, I'm still sending your data!")
-		) );
+	$scripts->add( 'autosave', '/wp-includes/js/autosave.js', array('schedule', 'wp-ajax-response'), '20080508' );
 
-		$this->add( 'wp-lists', '/wp-includes/js/wp-lists.js', array('wp-ajax-response'), '20080411' );
-		$this->localize( 'wp-lists', 'wpListL10n', array(
-			'url' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php'
-		) );
+	$scripts->add( 'wp-ajax', '/wp-includes/js/wp-ajax.js', array('prototype'), '20070306');
+	$scripts->localize( 'wp-ajax', 'WPAjaxL10n', array(
+		'defaultUrl' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
+		'permText' => __("You do not have permission to do that."),
+		'strangeText' => __("Something strange happened.  Try refreshing the page."),
+		'whoaText' => __("Slow down, I'm still sending your data!")
+	) );
 
-		$this->add( 'scriptaculous-root', '/wp-includes/js/scriptaculous/scriptaculous.js', array('prototype'), '1.8.0');
-		$this->add( 'scriptaculous-builder', '/wp-includes/js/scriptaculous/builder.js', array('scriptaculous-root'), '1.8.0');
-		$this->add( 'scriptaculous-dragdrop', '/wp-includes/js/scriptaculous/dragdrop.js', array('scriptaculous-builder', 'scriptaculous-effects'), '1.8.0');
-		$this->add( 'scriptaculous-effects', '/wp-includes/js/scriptaculous/effects.js', array('scriptaculous-root'), '1.8.0');
-		$this->add( 'scriptaculous-slider', '/wp-includes/js/scriptaculous/slider.js', array('scriptaculous-effects'), '1.8.0');
-		$this->add( 'scriptaculous-sound', '/wp-includes/js/scriptaculous/sound.js', array( 'scriptaculous-root' ), '1.8.0' );
-		$this->add( 'scriptaculous-controls', '/wp-includes/js/scriptaculous/controls.js', array('scriptaculous-root'), '1.8.0');
-		$this->add( 'scriptaculous', '', array('scriptaculous-dragdrop', 'scriptaculous-slider', 'scriptaculous-controls'), '1.8.0');
+	$scripts->add( 'wp-lists', '/wp-includes/js/wp-lists.js', array('wp-ajax-response'), '20080411' );
+	$scripts->localize( 'wp-lists', 'wpListL10n', array(
+		'url' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php'
+	) );
 
-		$this->add( 'cropper', '/wp-includes/js/crop/cropper.js', array('scriptaculous-dragdrop'), '20070118');
+	$scripts->add( 'scriptaculous-root', '/wp-includes/js/scriptaculous/scriptaculous.js', array('prototype'), '1.8.0');
+	$scripts->add( 'scriptaculous-builder', '/wp-includes/js/scriptaculous/builder.js', array('scriptaculous-root'), '1.8.0');
+	$scripts->add( 'scriptaculous-dragdrop', '/wp-includes/js/scriptaculous/dragdrop.js', array('scriptaculous-builder', 'scriptaculous-effects'), '1.8.0');
+	$scripts->add( 'scriptaculous-effects', '/wp-includes/js/scriptaculous/effects.js', array('scriptaculous-root'), '1.8.0');
+	$scripts->add( 'scriptaculous-slider', '/wp-includes/js/scriptaculous/slider.js', array('scriptaculous-effects'), '1.8.0');
+	$scripts->add( 'scriptaculous-sound', '/wp-includes/js/scriptaculous/sound.js', array( 'scriptaculous-root' ), '1.8.0' );
+	$scripts->add( 'scriptaculous-controls', '/wp-includes/js/scriptaculous/controls.js', array('scriptaculous-root'), '1.8.0');
+	$scripts->add( 'scriptaculous', '', array('scriptaculous-dragdrop', 'scriptaculous-slider', 'scriptaculous-controls'), '1.8.0');
 
-		$this->add( 'jquery', '/wp-includes/js/jquery/jquery.js', false, '1.2.3');
-		$this->add( 'jquery-form', '/wp-includes/js/jquery/jquery.form.js', array('jquery'), '2.02');
-		$this->add( 'jquery-color', '/wp-includes/js/jquery/jquery.color.js', array('jquery'), '2.0-4561');
-		$this->add( 'interface', '/wp-includes/js/jquery/interface.js', array('jquery'), '1.2' );
-		$this->add( 'dimensions', '/wp-includes/js/jquery/jquery.dimensions.min.js', array('jquery'), '1.1.2');
-		$this->add( 'suggest', '/wp-includes/js/jquery/suggest.js', array('dimensions'), '1.1');
-		$this->add( 'schedule', '/wp-includes/js/jquery/jquery.schedule.js', array('jquery'), '20');
-		$this->add( 'thickbox', '/wp-includes/js/thickbox/thickbox.js', array('jquery'), '3.1-20080430');
-		$this->add( 'swfupload', '/wp-includes/js/swfupload/swfupload.js', false, '2.0.2-20080430');
-		$this->add( 'swfupload-degrade', '/wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js', array('swfupload'), '2.0.2');
-		$this->localize( 'swfupload-degrade', 'uploadDegradeOptions', array(
-			'is_lighttpd_before_150' => is_lighttpd_before_150(),
-		) );
-		$this->add( 'swfupload-queue', '/wp-includes/js/swfupload/plugins/swfupload.queue.js', array('swfupload'), '2.0.2');
-		$this->add( 'swfupload-handlers', '/wp-includes/js/swfupload/handlers.js', array('swfupload'), '2.0.2-20080407');
-		// these error messages came from the sample swfupload js, they might need changing.
-		$this->localize( 'swfupload-handlers', 'swfuploadL10n', array(
-				'queue_limit_exceeded' => __('You have attempted to queue too many files.'),
-				'file_exceeds_size_limit' => sprintf(__('This file is too big. Your php.ini upload_max_filesize is %s.'), @ini_get('upload_max_filesize')),
-				'zero_byte_file' => __('This file is empty. Please try another.'),
-				'invalid_filetype' => __('This file type is not allowed. Please try another.'),
-				'default_error' => __('An error occurred in the upload. Please try again later.'),
-				'missing_upload_url' => __('There was a configuration error. Please contact the server administrator.'),
-				'upload_limit_exceeded' => __('You may only upload 1 file.'),
-				'http_error' => __('HTTP error.'),
-				'upload_failed' => __('Upload failed.'),
-				'io_error' => __('IO error.'),
-				'security_error' => __('Security error.'),
-				'file_cancelled' => __('File cancelled.'),
-				'upload_stopped' => __('Upload stopped.'),
-				'dismiss' => __('Dismiss'),
-				'crunching' => __('Crunching&hellip;'),
-				'deleted' => __('Deleted'),
-		) );
+	$scripts->add( 'cropper', '/wp-includes/js/crop/cropper.js', array('scriptaculous-dragdrop'), '20070118');
 
-		$this->add( 'jquery-ui-core', '/wp-includes/js/jquery/ui.core.js', array('jquery'), '1.5b4' );
-		$this->add( 'jquery-ui-tabs', '/wp-includes/js/jquery/ui.tabs.js', array('jquery-ui-core'), '1.5b4' );
+	$scripts->add( 'jquery', '/wp-includes/js/jquery/jquery.js', false, '1.2.3');
+	$scripts->add( 'jquery-form', '/wp-includes/js/jquery/jquery.form.js', array('jquery'), '2.02');
+	$scripts->add( 'jquery-color', '/wp-includes/js/jquery/jquery.color.js', array('jquery'), '2.0-4561');
+	$scripts->add( 'interface', '/wp-includes/js/jquery/interface.js', array('jquery'), '1.2' );
+	$scripts->add( 'dimensions', '/wp-includes/js/jquery/jquery.dimensions.min.js', array('jquery'), '1.1.2');
+	$scripts->add( 'suggest', '/wp-includes/js/jquery/suggest.js', array('dimensions'), '1.1');
+	$scripts->add( 'schedule', '/wp-includes/js/jquery/jquery.schedule.js', array('jquery'), '20');
+	$scripts->add( 'thickbox', '/wp-includes/js/thickbox/thickbox.js', array('jquery'), '3.1-20080430');
+	$scripts->add( 'swfupload', '/wp-includes/js/swfupload/swfupload.js', false, '2.0.2-20080430');
+	$scripts->add( 'swfupload-degrade', '/wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js', array('swfupload'), '2.0.2');
+	$scripts->localize( 'swfupload-degrade', 'uploadDegradeOptions', array(
+		'is_lighttpd_before_150' => is_lighttpd_before_150(),
+	) );
+	$scripts->add( 'swfupload-queue', '/wp-includes/js/swfupload/plugins/swfupload.queue.js', array('swfupload'), '2.0.2');
+	$scripts->add( 'swfupload-handlers', '/wp-includes/js/swfupload/handlers.js', array('swfupload'), '2.0.2-20080407');
+	// these error messages came from the sample swfupload js, they might need changing.
+	$scripts->localize( 'swfupload-handlers', 'swfuploadL10n', array(
+			'queue_limit_exceeded' => __('You have attempted to queue too many files.'),
+			'file_exceeds_size_limit' => sprintf(__('This file is too big. Your php.ini upload_max_filesize is %s.'), @ini_get('upload_max_filesize')),
+			'zero_byte_file' => __('This file is empty. Please try another.'),
+			'invalid_filetype' => __('This file type is not allowed. Please try another.'),
+			'default_error' => __('An error occurred in the upload. Please try again later.'),
+			'missing_upload_url' => __('There was a configuration error. Please contact the server administrator.'),
+			'upload_limit_exceeded' => __('You may only upload 1 file.'),
+			'http_error' => __('HTTP error.'),
+			'upload_failed' => __('Upload failed.'),
+			'io_error' => __('IO error.'),
+			'security_error' => __('Security error.'),
+			'file_cancelled' => __('File cancelled.'),
+			'upload_stopped' => __('Upload stopped.'),
+			'dismiss' => __('Dismiss'),
+			'crunching' => __('Crunching&hellip;'),
+			'deleted' => __('Deleted'),
+	) );
 
-		if ( is_admin() ) {
-			$this->add( 'ajaxcat', '/wp-admin/js/cat.js', array( 'wp-lists' ), '20071101' );
-			$this->localize( 'ajaxcat', 'catL10n', array(
-				'add' => attribute_escape(__('Add')),
-				'how' => __('Separate multiple categories with commas.')
-			) );
-			$this->add( 'admin-categories', '/wp-admin/js/categories.js', array('wp-lists'), '20071031' );
-			$this->add( 'admin-tags', '/wp-admin/js/tags.js', array('wp-lists'), '20071031' );
-			$this->add( 'admin-custom-fields', '/wp-admin/js/custom-fields.js', array('wp-lists'), '20070823' );
-			$this->add( 'password-strength-meter', '/wp-admin/js/password-strength-meter.js', array('jquery'), '20070405' );
-			$this->localize( 'password-strength-meter', 'pwsL10n', array(
-				'short' => __('Too short'),
-				'bad' => __('Bad'),
-				'good' => __('Good'),
-				'strong' => __('Strong')
-			) );
-			$this->add( 'admin-comments', '/wp-admin/js/edit-comments.js', array('wp-lists'), '20080311' );
-			$this->localize( 'admin-comments', 'adminCommentsL10n', array(
-				'pending' => __('%i% pending') // must look like: "# blah blah"
-			) );
-			$this->add( 'admin-users', '/wp-admin/js/users.js', array('wp-lists'), '20070823' );
-			$this->add( 'admin-forms', '/wp-admin/js/forms.js', false, '20080401');
-			$this->add( 'xfn', '/wp-admin/js/xfn.js', false, '3517' );
-			$this->add( 'upload', '/wp-admin/js/upload.js', array('jquery'), '20070518' );
-			$this->add( 'postbox', '/wp-admin/js/postbox.js', array('jquery'), '20080128' );
-			$this->localize( 'postbox', 'postboxL10n', array(
-				'requestFile' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
-			) );
-			$this->add( 'slug', '/wp-admin/js/slug.js', array('jquery'), '20080208' );
-			$this->localize( 'slug', 'slugL10n', array(
-				'requestFile' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
-				'save' => __('Save'),
-				'cancel' => __('Cancel'),
-			) );
-			$this->add( 'post', '/wp-admin/js/post.js', array('suggest', 'jquery-ui-tabs', 'wp-lists', 'postbox', 'slug'), '20080519' );
-			$this->localize( 'post', 'postL10n', array(
-				'tagsUsed' =>  __('Tags used on this post:'),
-				'add' => attribute_escape(__('Add')),
-				'addTag' => attribute_escape(__('Add new tag')),
-				'separate' => __('Separate tags with commas'),
-				'cancel' => __('Cancel'),
-				'edit' => __('Edit'),
-			) );
-			$this->add( 'page', '/wp-admin/js/page.js', array('jquery', 'slug', 'postbox'), '20080318' );
-			$this->localize( 'page', 'postL10n', array(
-				'cancel' => __('Cancel'),
-				'edit' => __('Edit'),
-			) );
-			$this->add( 'link', '/wp-admin/js/link.js', array('jquery-ui-tabs', 'wp-lists', 'postbox'), '20080131' );
-			$this->add( 'comment', '/wp-admin/js/comment.js', array('postbox'), '20080219' );
-			$this->localize( 'comment', 'commentL10n', array(
-					'cancel' => __('Cancel'),
-					'edit' => __('Edit'),
-				) );
-			$this->add( 'media-upload', '/wp-admin/js/media-upload.js', false, '20080430' );
-			$this->localize( 'upload', 'uploadL10n', array(
-				'browseTitle' => attribute_escape(__('Browse your files')),
-				'back' => __('&laquo; Back'),
-				'directTitle' => attribute_escape(__('Direct link to file')),
-				'edit' => __('Edit'),
-				'thumb' => __('Thumbnail'),
-				'full' => __('Full size'),
-				'icon' => __('Icon'),
-				'title' => __('Title'),
-				'show' => __('Show:'),
-				'link' => __('Link to:'),
-				'file' => __('File'),
-				'page' => __('Page'),
-				'none' => __('None'),
-				'editorText' => attribute_escape(__('Send to editor &raquo;')),
-				'insert' => __('Insert'),
-				'urlText' => __('URL'),
-				'desc' => __('Description'),
-				'deleteText' => attribute_escape(__('Delete File')),
-				'saveText' => attribute_escape(__('Save &raquo;')),
-				'confirmText' => __("Are you sure you want to delete the file '%title%'?\nClick ok to delete or cancel to go back.")
-			) );
-			$this->add( 'admin-widgets', '/wp-admin/js/widgets.js', array( 'interface' ), '20080503' );
-			$this->localize( 'admin-widgets', 'widgetsL10n', array(
-				'add' => __('Add'),
-				'edit' => __('Edit'),
-				'cancel' => __('Cancel'),
-			));
+	$scripts->add( 'jquery-ui-core', '/wp-includes/js/jquery/ui.core.js', array('jquery'), '1.5b4' );
+	$scripts->add( 'jquery-ui-tabs', '/wp-includes/js/jquery/ui.tabs.js', array('jquery-ui-core'), '1.5b4' );
 
-			$this->add( 'word-count', '/wp-admin/js/word-count.js', array( 'jquery' ), '20080423' );
-			$this->localize( 'word-count', 'wordCountL10n', array(
-				'count' => __('Word count: %d')
-			));
-			
-			$this->add( 'wp-gears', '/wp-admin/js/wp-gears.js', false, '20080511' );
-			$this->localize( 'wp-gears', 'wpGearsL10n', array(
-				'updateCompleted' => __('Update completed.'),
-				'error' => __('Error:')
-			));
-			
-			$this->add( 'theme-preview', '/wp-admin/js/theme-preview.js', array( 'thickbox', 'dimensions' ), '20080515' );
-		}
-	}
+	if ( is_admin() ) {
+		$scripts->add( 'ajaxcat', '/wp-admin/js/cat.js', array( 'wp-lists' ), '20071101' );
+		$scripts->localize( 'ajaxcat', 'catL10n', array(
+			'add' => attribute_escape(__('Add')),
+			'how' => __('Separate multiple categories with commas.')
+		) );
+		$scripts->add( 'admin-categories', '/wp-admin/js/categories.js', array('wp-lists'), '20071031' );
+		$scripts->add( 'admin-tags', '/wp-admin/js/tags.js', array('wp-lists'), '20071031' );
+		$scripts->add( 'admin-custom-fields', '/wp-admin/js/custom-fields.js', array('wp-lists'), '20070823' );
+		$scripts->add( 'password-strength-meter', '/wp-admin/js/password-strength-meter.js', array('jquery'), '20070405' );
+		$scripts->localize( 'password-strength-meter', 'pwsL10n', array(
+			'short' => __('Too short'),
+			'bad' => __('Bad'),
+			'good' => __('Good'),
+			'strong' => __('Strong')
+		) );
+		$scripts->add( 'admin-comments', '/wp-admin/js/edit-comments.js', array('wp-lists'), '20080311' );
+		$scripts->localize( 'admin-comments', 'adminCommentsL10n', array(
+			'pending' => __('%i% pending') // must look like: "# blah blah"
+		) );
+		$scripts->add( 'admin-users', '/wp-admin/js/users.js', array('wp-lists'), '20070823' );
+		$scripts->add( 'admin-forms', '/wp-admin/js/forms.js', false, '20080401');
+		$scripts->add( 'xfn', '/wp-admin/js/xfn.js', false, '3517' );
+		$scripts->add( 'upload', '/wp-admin/js/upload.js', array('jquery'), '20070518' );
+		$scripts->add( 'postbox', '/wp-admin/js/postbox.js', array('jquery'), '20080128' );
+		$scripts->localize( 'postbox', 'postboxL10n', array(
+			'requestFile' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
+		) );
+		$scripts->add( 'slug', '/wp-admin/js/slug.js', array('jquery'), '20080208' );
+		$scripts->localize( 'slug', 'slugL10n', array(
+			'requestFile' => get_option( 'siteurl' ) . '/wp-admin/admin-ajax.php',
+			'save' => __('Save'),
+			'cancel' => __('Cancel'),
+		) );
+		$scripts->add( 'post', '/wp-admin/js/post.js', array('suggest', 'jquery-ui-tabs', 'wp-lists', 'postbox', 'slug'), '20080519' );
+		$scripts->localize( 'post', 'postL10n', array(
+			'tagsUsed' =>  __('Tags used on this post:'),
+			'add' => attribute_escape(__('Add')),
+			'addTag' => attribute_escape(__('Add new tag')),
+			'separate' => __('Separate tags with commas'),
+			'cancel' => __('Cancel'),
+			'edit' => __('Edit'),
+		) );
+		$scripts->add( 'page', '/wp-admin/js/page.js', array('jquery', 'slug', 'postbox'), '20080318' );
+		$scripts->localize( 'page', 'postL10n', array(
+			'cancel' => __('Cancel'),
+			'edit' => __('Edit'),
+		) );
+		$scripts->add( 'link', '/wp-admin/js/link.js', array('jquery-ui-tabs', 'wp-lists', 'postbox'), '20080131' );
+		$scripts->add( 'comment', '/wp-admin/js/comment.js', array('postbox'), '20080219' );
+		$scripts->localize( 'comment', 'commentL10n', array(
+			'cancel' => __('Cancel'),
+			'edit' => __('Edit'),
+		) );
+		$scripts->add( 'media-upload', '/wp-admin/js/media-upload.js', false, '20080430' );
+		$scripts->localize( 'upload', 'uploadL10n', array(
+			'browseTitle' => attribute_escape(__('Browse your files')),
+			'back' => __('&laquo; Back'),
+			'directTitle' => attribute_escape(__('Direct link to file')),
+			'edit' => __('Edit'),
+			'thumb' => __('Thumbnail'),
+			'full' => __('Full size'),
+			'icon' => __('Icon'),
+			'title' => __('Title'),
+			'show' => __('Show:'),
+			'link' => __('Link to:'),
+			'file' => __('File'),
+			'page' => __('Page'),
+			'none' => __('None'),
+			'editorText' => attribute_escape(__('Send to editor &raquo;')),
+			'insert' => __('Insert'),
+			'urlText' => __('URL'),
+			'desc' => __('Description'),
+			'deleteText' => attribute_escape(__('Delete File')),
+			'saveText' => attribute_escape(__('Save &raquo;')),
+			'confirmText' => __("Are you sure you want to delete the file '%title%'?\nClick ok to delete or cancel to go back.")
+		) );
+		$scripts->add( 'admin-widgets', '/wp-admin/js/widgets.js', array( 'interface' ), '20080503' );
+		$scripts->localize( 'admin-widgets', 'widgetsL10n', array(
+			'add' => __('Add'),
+			'edit' => __('Edit'),
+			'cancel' => __('Cancel'),
+		));
 
-	/**
-	 * Prints script tags
-	 *
-	 * Prints the scripts passed to it or the print queue.  Also prints all necessary dependencies.
-	 *
-	 * @param mixed handles (optional) Scripts to be printed.  (void) prints queue, (string) prints that script, (array of strings) prints those scripts.
-	 * @return array Scripts that have been printed
-	 */
-	function print_scripts( $handles = false ) {
-		global $wp_db_version;
-
-		// Print the queue if nothing is passed.  If a string is passed, print that script.  If an array is passed, print those scripts.
-		$handles = false === $handles ? $this->queue : (array) $handles;
-		$this->all_deps( $handles );
-
-		$to_print = apply_filters( 'print_scripts_array', array_keys($this->to_print) );
-
-		foreach( $to_print as $handle ) {
-			if ( !in_array($handle, $this->printed) && isset($this->scripts[$handle]) ) {
-				if ( $this->scripts[$handle]->src ) { // Else it defines a group.
-					$ver = $this->scripts[$handle]->ver ? $this->scripts[$handle]->ver : $wp_db_version;
-					if ( isset($this->args[$handle]) )
-						$ver .= '&amp;' . $this->args[$handle];
-					$src = 0 === strpos($this->scripts[$handle]->src, 'http://') ? $this->scripts[$handle]->src : get_option( 'siteurl' ) . $this->scripts[$handle]->src;
-					$src = $this->scripts[$handle]->src;
-
-					if (!preg_match('|^https?://|', $src)) {
-						$src = get_option('siteurl') . $src;
-					}
-
-					$src = add_query_arg('ver', $ver, $src);
-					$src = clean_url(apply_filters( 'script_loader_src', $src ));
-					$this->print_scripts_l10n( $handle );
-					echo "<script type='text/javascript' src='$src'></script>\n";
-				}
-				$this->printed[] = $handle;
-			}
-		}
-
-		$this->to_print = array();
-		return $this->printed;
+		$scripts->add( 'word-count', '/wp-admin/js/word-count.js', array( 'jquery' ), '20080423' );
+		$scripts->localize( 'word-count', 'wordCountL10n', array(
+			'count' => __('Word count: %d')
+		));
+		
+		$scripts->add( 'wp-gears', '/wp-admin/js/wp-gears.js', false, '20080511' );
+		$scripts->localize( 'wp-gears', 'wpGearsL10n', array(
+			'updateCompleted' => __('Update completed.'),
+			'error' => __('Error:')
+		));
+		
+		$scripts->add( 'theme-preview', '/wp-admin/js/theme-preview.js', array( 'thickbox', 'dimensions' ), '20080515' );
 	}
-
-	function print_scripts_l10n( $handle ) {
-		if ( empty($this->scripts[$handle]->l10n_object) || empty($this->scripts[$handle]->l10n) || !is_array($this->scripts[$handle]->l10n) )
-			return;
-
-		$object_name = $this->scripts[$handle]->l10n_object;
-
-		echo "<script type='text/javascript'>\n";
-		echo "/* <![CDATA[ */\n";
-		echo "\t$object_name = {\n";
-		$eol = '';
-		foreach ( $this->scripts[$handle]->l10n as $var => $val ) {
-			echo "$eol\t\t$var: \"" . js_escape( $val ) . '"';
-			$eol = ",\n";
-		}
-		echo "\n\t}\n";
-		echo "/* ]]> */\n";
-		echo "</script>\n";
-	}
-
-	/**
-	 * Determines dependencies of scripts
-	 *
-	 * Recursively builds array of scripts to print taking dependencies into account.  Does NOT catch infinite loops.
-	 *
-	 * @param mixed handles Accepts (string) script name or (array of strings) script names
-	 * @param bool recursion Used internally when function calls itself
-	 */
-	function all_deps( $handles, $recursion = false ) {
-		if ( !$handles = (array) $handles )
-			return false;
-
-		foreach ( $handles as $handle ) {
-			$handle = explode('?', $handle);
-			if ( isset($handle[1]) )
-				$this->args[$handle[0]] = $handle[1];
-			$handle = $handle[0];
-
-			if ( isset($this->to_print[$handle]) ) // Already grobbed it and its deps
-				continue;
-
-			$keep_going = true;
-			if ( !isset($this->scripts[$handle]) )
-				$keep_going = false; // Script doesn't exist
-			elseif ( $this->scripts[$handle]->deps && array_diff($this->scripts[$handle]->deps, array_keys($this->scripts)) )
-				$keep_going = false; // Script requires deps which don't exist (not a necessary check.  efficiency?)
-			elseif ( $this->scripts[$handle]->deps && !$this->all_deps( $this->scripts[$handle]->deps, true ) )
-				$keep_going = false; // Script requires deps which don't exist
-
-			if ( !$keep_going ) { // Either script or its deps don't exist.
-				if ( $recursion )
-					return false; // Abort this branch.
-				else
-					continue; // We're at the top level.  Move on to the next one.
-			}
-
-			$this->to_print[$handle] = true;
-		}
-
-		return true;
-	}
-
-	/**
-	 * Adds script
-	 *
-	 * Adds the script only if no script of that name already exists
-	 *
-	 * @param string handle Script name
-	 * @param string src Script url
-	 * @param array deps (optional) Array of script names on which this script depends
-	 * @param string ver (optional) Script version (used for cache busting)
-	 * @return array Hierarchical array of dependencies
-	 */
-	function add( $handle, $src, $deps = array(), $ver = false ) {
-		if ( isset($this->scripts[$handle]) )
-			return false;
-		$this->scripts[$handle] = new _WP_Script( $handle, $src, $deps, $ver );
-		return true;
-	}
-
-	/**
-	 * Localizes a script
-	 *
-	 * Localizes only if script has already been added
-	 *
-	 * @param string handle Script name
-	 * @param string object_name Name of JS object to hold l10n info
-	 * @param array l10n Array of JS var name => localized string
-	 * @return bool Successful localization
-	 */
-	function localize( $handle, $object_name, $l10n ) {
-		if ( !isset($this->scripts[$handle]) )
-			return false;
-		return $this->scripts[$handle]->localize( $object_name, $l10n );
-	}
-
-	function remove( $handles ) {
-		foreach ( (array) $handles as $handle )
-			unset($this->scripts[$handle]);
-	}
-
-	function enqueue( $handles ) {
-		foreach ( (array) $handles as $handle ) {
-			$handle = explode('?', $handle);
-			if ( !in_array($handle[0], $this->queue) && isset($this->scripts[$handle[0]]) ) {
-				$this->queue[] = $handle[0];
-				if ( isset($handle[1]) )
-					$this->args[$handle[0]] = $handle[1];
-			}
-		}
-	}
-
-	function dequeue( $handles ) {
-		foreach ( (array) $handles as $handle )
-			unset( $this->queue[$handle] );
-	}
-
-	function query( $handle, $list = 'scripts' ) { // scripts, queue, or printed
-		switch ( $list ) :
-		case 'scripts':
-			if ( isset($this->scripts[$handle]) )
-				return $this->scripts[$handle];
-			break;
-		default:
-			if ( in_array($handle, $this->$list) )
-				return true;
-			break;
-		endswitch;
-		return false;
-	}
-
 }
 
-class _WP_Script {
-	var $handle;
-	var $src;
-	var $deps = array();
-	var $ver = false;
-	var $l10n_object = '';
-	var $l10n = array();
-
-	function _WP_Script() {
-		@list($this->handle, $this->src, $this->deps, $this->ver) = func_get_args();
-		if ( !is_array($this->deps) )
-			$this->deps = array();
-		if ( !$this->ver )
-			$this->ver = false;
-	}
-
-	function localize( $object_name, $l10n ) {
-		if ( !$object_name || !is_array($l10n) )
-			return false;
-		$this->l10n_object = $object_name;
-		$this->l10n = $l10n;
-		return true;
-	}
-}
-
-/**
- * Prints script tags in document head
- *
- * Called by admin-header.php and by wp_head hook. Since it is called by wp_head on every page load,
- * the function does not instantiate the WP_Scripts object unless script names are explicitly passed.
- * Does make use of already instantiated $wp_scripts if present.
- * Use provided wp_print_scripts hook to register/enqueue new scripts.
- *
- * @see WP_Scripts::print_scripts()
- */
-function wp_print_scripts( $handles = false ) {
-	do_action( 'wp_print_scripts' );
-	if ( '' === $handles ) // for wp_head
-		$handles = false;
-
-	global $wp_scripts;
-	if ( !is_a($wp_scripts, 'WP_Scripts') ) {
-		if ( !$handles )
-			return array(); // No need to instantiate if nothing's there.
-		else
-			$wp_scripts = new WP_Scripts();
-	}
-
-	return $wp_scripts->print_scripts( $handles );
-}
-
-function wp_register_script( $handle, $src, $deps = array(), $ver = false ) {
-	global $wp_scripts;
-	if ( !is_a($wp_scripts, 'WP_Scripts') )
-		$wp_scripts = new WP_Scripts();
-
-	$wp_scripts->add( $handle, $src, $deps, $ver );
-}
-
-/**
- * Localizes a script
- *
- * Localizes only if script has already been added
- *
- * @see WP_Script::localize()
- */
-function wp_localize_script( $handle, $object_name, $l10n ) {
-	global $wp_scripts;
-	if ( !is_a($wp_scripts, 'WP_Scripts') )
-		return false;
-
-	return $wp_scripts->localize( $handle, $object_name, $l10n );
-}
-
-function wp_deregister_script( $handle ) {
-	global $wp_scripts;
-	if ( !is_a($wp_scripts, 'WP_Scripts') )
-		$wp_scripts = new WP_Scripts();
-
-	$wp_scripts->remove( $handle );
-}
-
-/**
- * Equeues script
- *
- * Registers the script if src provided (does NOT overwrite) and enqueues.
- *
- * @see WP_Script::add(), WP_Script::enqueue()
-*/
-function wp_enqueue_script( $handle, $src = false, $deps = array(), $ver = false ) {
-	global $wp_scripts;
-	if ( !is_a($wp_scripts, 'WP_Scripts') )
-		$wp_scripts = new WP_Scripts();
-
-	if ( $src ) {
-		$_handle = explode('?', $handle);
-		$wp_scripts->add( $_handle[0], $src, $deps, $ver );
-	}
-	$wp_scripts->enqueue( $handle );
-}
-
 function wp_prototype_before_jquery( $js_array ) {
 	if ( false === $jquery = array_search( 'jquery', $js_array ) )
 		return $js_array;
@@ -515,7 +238,6 @@
 	) );
 }
 
+add_action( 'wp_default_scripts', 'wp_default_scripts' );
 add_filter( 'wp_print_scripts', 'wp_just_in_time_script_localization' );
 add_filter( 'print_scripts_array', 'wp_prototype_before_jquery' );
-
-?>
Index: wp-admin/admin-header.php
===================================================================
--- wp-admin/admin-header.php	(revision 7969)
+++ wp-admin/admin-header.php	(working copy)
@@ -45,21 +45,24 @@
 <?php if ( ($parent_file != 'link-manager.php') && ($parent_file != 'options-general.php') && $ie6_no_scrollbar ) : ?>
 <style type="text/css">* html { overflow-x: hidden; }</style>
 <?php endif;
-if ( isset($page_hook) )
+
+if ( isset($page_hook) ) {
 	do_action('admin_print_scripts-' . $page_hook);
-else if ( isset($plugin_page) )
+	do_action('admin_print_styles-' . $page_hook);
+	do_action('admin_head-' . $page_hook);
+} else if ( isset($plugin_page) ) {
 	do_action('admin_print_scripts-' . $plugin_page);
-else if ( isset($pagenow) )
+	do_action('admin_print_styles-' . $plugin_page);
+	do_action('admin_head-' . $plugin_page);
+} else if ( isset($pagenow) ) {
 	do_action('admin_print_scripts-' . $pagenow);
+	do_action('admin_print_styles-' . $pagenow);
+	do_action('admin_head-' . $pagenow);
+}
 do_action('admin_print_scripts');
+do_action('admin_print_styles');
+do_action('admin_head');
 
-if ( isset($page_hook) )
-	do_action('admin_head-' . $page_hook);
-else if ( isset($plugin_page) )
-	do_action('admin_head-' . $plugin_page);
-else if ( isset($pagenow) )
-	do_action('admin_head-' . $pagenow);
-do_action('admin_head');
 ?>
 </head>
 <body class="wp-admin <?php echo apply_filters( 'admin_body_class', '' ); ?>">
