/**
 * Controller for site-wide event handlers, actions, etc.
 */
function Controller(instance_name)
{
  //public properties
  this.instance_name = instance_name;

  //public methods
  /**
   * Initialize
   */
  this.init = function()
  {
    //global initialization

    //call any page-specific initalization
    try
    {
      this.pageInit();
    }
    catch(e)
    {
//      console.error(e);
    }
  };
}