/* Dropdown menu with Prototype */

window.onload = function() {

  var buttons = $$("#menu li");

  buttons.each(function(node) {

      var ul = $A(node.getElementsByTagName("ul")).first();

      if(ul != null) {

          node.onmouseover = function() {

              $(ul).setStyle({ visibility: 'visible' });

              Element.toggle(ul);
              //Effect.toggle(ul, 'slide');
          }

          node.onmouseout = function() {

              Element.toggle(ul);
              //Effect.toggle(ul, 'slide');
          }
 
          /***
          node.onmouseover = node.onmouseout = function() {
              Element.toggle(ul);
          }
          ***/
      }
  });
}