Description Retrieves the content for the dynamic portion of the menu.
Arguments menuID
The argument is the value of the id attribute in the menuitem tag associated with the item.
Returns An array of strings. Each string contains the name of a menu item and its unique ID, separated by a semicolon. If the function returns null, then no change is made to the menu.
Example The following instance of getDynamicContent() returns an array of four menu items (My Menu Item 1, My Menu Item 2, and so on):
function getDynamicContent(){
  var stringArray= new Array();
  var i=0;
  var numItems = 4;

  for (i=0; i<numItems;i++)
     stringArray[i] = new String("My Menu Item " + i + ";id=" + i);
  return stringArray;