code: function(el) {
              try {
                  if (el) {
                      var parent = el.offsetParent;
                      if (parent) {
                          return true;
                      }
                  }
              } catch(e) {
                  YAHOO.log("detected problem with an element", "info", "DragDropMgr");
              }
  
              return false;
          }
docs: This checks to make sure an element exists and is in the DOM.  The
  main purpose is to handle cases where innerHTML is used to remove
  drag and drop objects from the DOM.  IE provides an 'unspecified
  error' when trying to access the offsetParent of such an element
  @method verifyEl
  @param {HTMLElement} el the element to check
  @return {boolean} true if the element looks usable
  @static