avior script may not be able to
 determine the correct id to use for the javax.faces.source
 value.  The <a href="../../../../javax/faces/component/behavior/ClientBehaviorContext.html#getSourceId--"><code>getSourceId()</code></a> method allows the component
 to pass this information into the <a href="../../../../javax/faces/component/behavior/ClientBehavior.html#getScript-javax.faces.component.behavior.ClientBehaviorContext-"><code>ClientBehavior.getScript(javax.faces.component.behavior.ClientBehaviorContex