/*
           Initialize and render the MenuBar when its elements are ready 
           to be scripted.
      */	  
      YAHOO.util.Event.onContentReady("personal-and-professional", function () {
          var ua = YAHOO.env.ua,
              oAnim;  // Animation instance

          /*
               "beforeshow" event handler for each submenu of the MenuBar
               instance, used to setup certain style properties before
               the menu is animated.
          */
          function onSubmenuBeforeShow(p_sType, p_sArgs) {
              var oBody,
                  oElement,
                  oShadow,
                  oUL;
                
              if (this.parent) {
                  oElement = this.element;

                  /*
                       Get a reference to the Menu's shadow element and 
                       set its "height" property to "0px" to syncronize 
                       it with the height of the Menu instance.
                  */

                  oShadow = oElement.lastChild;
                  oShadow.style.height = "0px";
                        
                  /*
                      Stop the Animation instance if it is currently 
                      animating a Menu.
                  */ 
                    
                  if (oAnim && oAnim.isAnimated()) {                     
                      oAnim.stop();
                      oAnim = null;                        
                  }

                  /*
                      Set the body element's "overflow" property to 
                      "hidden" to clip the display of its negatively 
                      positioned <ul> element.
                  */ 

                  oBody = this.body;

                  //  Check if the menu is a submenu of a submenu.

                  if (this.parent && 
                      !(this.parent instanceof YAHOO.widget.MenuBarItem)) {
                        
                      /*
                          There is a bug in gecko-based browsers and Opera where 
                          an element whose "position" property is set to 
                          "absolute" and "overflow" property is set to 
                          "hidden" will not render at the correct width when
                          its offsetParent's "position" property is also 
                          set to "absolute."  It is possible to work around 
                          this bug by specifying a value for the width 
                          property in addition to overflow.
                      */

                      if (ua.gecko || ua.opera) {                      
                         oBody.style.width = oBody.clientWidth + "px";                            
                      }
                                                        
                      /*
                          Set a width on the submenu to prevent its 
                          width from growing when the animation 
                          is complete.
                      */
                           
                      if (ua.ie == 7) {
                          oElement.style.width = oElement.clientWidth + "px";
                      }                        
                  }

                  oBody.style.overflow = "hidden";

                  /*
                      Set the <ul> element's "marginTop" property 
                      to a negative value so that the Menu's height
                      collapses.
                  */ 

                  oUL = oBody.getElementsByTagName("ul")[0];
                  oUL.style.marginTop = ("-" + oUL.offsetHeight + "px");                    
              }
          }

          /*
              "tween" event handler for the Anim instance, used to 
              syncronize the size and position of the Menu instance's 
              shadow and iframe shim (if it exists) with its 
              changing height.
          */
          function onTween(p_sType, p_aArgs, p_oShadow) {
             if (this.cfg.getProperty("iframe")) {                    
                 this.syncIframe();                
             }                
             if (p_oShadow) {                
                 p_oShadow.style.height = this.element.offsetHeight + "px";                    
             }                
          }

          /*
              "complete" event handler for the Anim instance, used to 
              remove style properties that were animated so that the 
              Menu instance can be displayed at its final height.
          */
          function onAnimationComplete(p_sType, p_aArgs, p_oShadow) {
              var oBody = this.body,
                  oUL = oBody.getElementsByTagName("ul")[0];
              if (p_oShadow) {                    
                  p_oShadow.style.height = this.element.offsetHeight + "px";                    
              }

              oUL.style.marginTop = "";
              oBody.style.overflow = "";                    

              //  Check if the menu is a submenu of a submenu.

              if (this.parent && 
                  !(this.parent instanceof YAHOO.widget.MenuBarItem)) {

                  // Clear widths set by the "beforeshow" event handler

                  if (ua.gecko || ua.opera) {                        
                      oBody.style.width = "";                        
                  }
                        
                  if (ua.ie == 7) {
                      this.element.style.width = "";
                   }                    
              }                    
          }

          /*
               "show" event handler for each submenu of the MenuBar 
               instance - used to kick off the animation of the 
               <ul> element.
          */

          function onSubmenuShow(p_sType, p_sArgs) {
              var oElement,
                  oShadow,
                  oUL;
                
              if (this.parent) {
                  oElement = this.element;
                  oShadow = oElement.lastChild;
                  oUL = this.body.getElementsByTagName("ul")[0];                    

                  /*
                       Animate the <ul> element's "marginTop" style 
                       property to a value of 0.
                  */

                  oAnim = new YAHOO.util.Anim(oUL, 
                      { marginTop: { to: 0 } },
                      .5, YAHOO.util.Easing.easeOut);

                  oAnim.onStart.subscribe(function () {        
                      oShadow.style.height = "100%";                        
                  });    

                  oAnim.animate();
    
                  /*
                      Subscribe to the Anim instance's "tween" event for 
                      IE to syncronize the size and position of a 
                      submenu's shadow and iframe shim (if it exists)  
                      with its changing height.
                  */
                  if (YAHOO.env.ua.ie) {                            
                      oShadow.style.height = oElement.offsetHeight + "px";

                      /*
                          Subscribe to the Anim instance's "tween"
                          event, passing a reference Menu's shadow 
                          element and making the scope of the event 
                          listener the Menu instance.
                      */
                      oAnim.onTween.subscribe(onTween, oShadow, this);    
                  }
    
                  /*
                      Subscribe to the Anim instance's "complete" event,
                      passing a reference Menu's shadow element and making 
                      the scope of the event listener the Menu instance.
                  */    
                  oAnim.onComplete.subscribe(onAnimationComplete, oShadow, this);                    
              }                

          }

          /*
               Instantiate a MenuBar:  The first argument passed to the 
               constructor is the id of the element in the page 
               representing the MenuBar; the second is an object literal 
               of configuration properties.
          */
          var oMenuBar = new YAHOO.widget.MenuBar("personal-and-professional", { 
                                                      autosubmenudisplay: true, 
                                                      hidedelay: 500, 
                                                      lazyload: true
													  });

          /*
               Subscribe to the "beforeShow" and "show" events for 
               each submenu of the MenuBar instance.
          */                
          oMenuBar.subscribe("beforeShow", onSubmenuBeforeShow);
          oMenuBar.subscribe("show", onSubmenuShow);

          /*
               Call the "render" method with no arguments since the 
               markup for this MenuBar already exists in the page.
          */
          oMenuBar.render();                      
      });