/**
* @class Roo.bootstrap.layout.Manager
- * @extends Roo.util.Observable
+ * @extends Roo.bootstrap.Component
* Base class for layout managers.
*/
</span><span class="jsdoc-var">Roo.bootstrap.layout.Manager </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">config</span><span class="jsdoc-syntax">)
</span><span class="jsdoc-var">Roo.EventManager.onWindowResize</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.onWindowResize</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">);
};
-</span><span class="jsdoc-var">Roo.extend</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Roo.bootstrap.layout.Manager</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">Roo.util.Observable</span><span class="jsdoc-syntax">, {
+</span><span class="jsdoc-var">Roo.extend</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Roo.bootstrap.layout.Manager</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">Roo.bootstrap.Component</span><span class="jsdoc-syntax">, {
</span><span class="jsdoc-var">regions </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,