execute Javascript inside ASP.NET UpdatePanel

inside the Page_Load:

//upnlControl is an UpdatePanel defined in the .aspx
ScriptManager.RegisterClientScriptBlock(upnlControl, 
upnlControl.GetType(), upnlControl.ClientID,
"$(document).ready(someNamespace.init);", true);

inside the js file:

// namespace
var someNamespace = someNamespace ? someNamespace : {
   /*
    * handleSomeClickEvent
    * handles some click event 
    * when something is clicked 
    * inside the update panel 
    */
    handleSomeClickEvent:function() {
       alert('Wow! This runs every time the element is clicked!');
    },     
   /*
    * Init
    * Initializer that will run 
    * on each page load.
    */
    init: function() {
       // setup event handlers
       $('.someSelector').click(someNamespace.handleSomeClickEvent);
    }
};
// kickoff someNamespace.init when DOM is ready.
$(document).ready(someNamespace.init);