Event.observe(window, 'load', function() {
  $$('a[href^=#]:not([href=#])').each(function(element) {
	element.observe('click', function(event) {
	  new Effect.ScrollTo(this.hash.substr(1));
	  Event.stop(event);
	}.bindAsEventListener(element))
  })
})
   Event.observe(window, 'load', function() {
	 $('view_source').observe('click', function(event){
	   $('source').toggle();
	   Event.stop(event);
	 });
   });