dependencies.diff

diff --git a/ui/jquery.ui.autocomplete.js b/ui/jquery.ui.autocomplete.js
index 6b06cfe..3715fdd 100644
--- a/ui/jquery.ui.autocomplete.js
+++ b/ui/jquery.ui.autocomplete.js
@@ -43,6 +43,10 @@ $.widget( "ui.autocomplete", {
 		select: null
 	},
 
+	dependencies: {
+		menu: $.ui.menu
+	},
+
 	pending: 0,
 
 	_create: function() {
@@ -206,7 +210,7 @@ $.widget( "ui.autocomplete", {
 					clearTimeout( self.closing );
 				}, 13);
 			})
-			.menu({
+			.widget( this.dependencies.menu, {
 				// custom key handling for now
 				input: $(),
 				focus: function( event, ui ) {
@@ -256,7 +260,7 @@ $.widget( "ui.autocomplete", {
 			})
 			.zIndex( this.element.zIndex() + 1 )
 			.hide()
-			.data( "menu" );
+			.data( this.dependencies.menu.prototype.widgetName );
 		if ( $.fn.bgiframe ) {
 			 this.menu.element.bgiframe();
 		}
diff --git a/ui/jquery.ui.core.js b/ui/jquery.ui.core.js
index 8bcc4c4..7263422 100644
--- a/ui/jquery.ui.core.js
+++ b/ui/jquery.ui.core.js
@@ -17,6 +17,21 @@ if ( $.ui.version ) {
 	return;
 }
 
+$.fn.widget = function( widget, options ) {
+	var isMethodCall = typeof options === "string",
+		widgetName = widget.prototype.widgetName,
+		args = [].slice.call( arguments, 2 );
+
+	return this.each( isMethodCall ?
+		function() {
+			var instance = $( this ).data( widgetName );
+			instance[ options ].apply( instance, args );
+		} :
+		function() {
+			widget( options, this );
+		});
+};
+
 $.extend( $.ui, {
 	version: "@VERSION",
 
diff --git a/ui/jquery.ui.dialog.js b/ui/jquery.ui.dialog.js
index 065d640..16a1634 100644
--- a/ui/jquery.ui.dialog.js
+++ b/ui/jquery.ui.dialog.js
@@ -72,6 +72,11 @@ $.widget("ui.dialog", {
 		zIndex: 1000
 	},
 
+	dependencies: {
+		draggable: $.ui.draggable,
+		resizable: $.ui.resizable
+	},
+
 	_create: function() {
 		this.originalTitle = this.element.attr( "title" );
 		// #5742 - .attr() might return a DOMElement
@@ -382,7 +387,7 @@ $.widget("ui.dialog", {
 			};
 		}
 
-		self.uiDialog.draggable({
+		self.uiDialog.widget( this.dependencies.draggable, {
 			cancel: ".ui-dialog-content, .ui-dialog-titlebar-close",
 			handle: ".ui-dialog-titlebar",
 			containment: "document",
@@ -427,7 +432,7 @@ $.widget("ui.dialog", {
 			};
 		}
 
-		self.uiDialog.resizable({
+		self.uiDialog.widget( this.dependencies.resizable, {
 			cancel: ".ui-dialog-content",
 			containment: "document",
 			alsoResize: self.element,
@@ -532,7 +537,7 @@ $.widget("ui.dialog", {
 			this._size();
 		}
 		if ( this.uiDialog.is( ":data(resizable)" ) ) {
-			this.uiDialog.resizable( "option", resizableOptions );
+			this.uiDialog.widget( this.dependencies.resizable, "option", resizableOptions );
 		}
 	},
 
@@ -563,7 +568,7 @@ $.widget("ui.dialog", {
 			case "draggable":
 				var isDraggable = uiDialog.is( ":data(draggable)" );
 				if ( isDraggable && !value ) {
-					uiDialog.draggable( "destroy" );
+					uiDialog.widget( this.dependencies.draggable, "destroy" );
 				}
 				
 				if ( !isDraggable && value ) {
@@ -577,12 +582,12 @@ $.widget("ui.dialog", {
 				// currently resizable, becoming non-resizable
 				var isResizable = uiDialog.is( ":data(resizable)" );
 				if ( isResizable && !value ) {
-					uiDialog.resizable( "destroy" );
+					uiDialog.widget( this.dependencies.resizable, "destroy" );
 				}
 
 				// currently resizable, changing handles
 				if ( isResizable && typeof value === "string" ) {
-					uiDialog.resizable( "option", "handles", value );
+					uiDialog.widget( this.dependencies.resizable, "option", "handles", value );
 				}
 
 				// currently non-resizable, becoming resizable
@@ -649,7 +654,7 @@ $.widget("ui.dialog", {
 		}
 
 		if (this.uiDialog.is( ":data(resizable)" ) ) {
-			this.uiDialog.resizable( "option", "minHeight", this._minHeight() );
+			this.uiDialog.widget( this.dependencies.resizable, "option", "minHeight", this._minHeight() );
 		}
 	}
 });