// JavaScript Document

// Mover - zoom slider VERTICAL
function mover() {
    var zoom_slider = $('zoom_slider');
    

    new Control.Slider(zoom_slider.down('.handle'), zoom_slider, {
     axis: 'vertical',
	  range: $R(0, $('slider').getHeight()-$('scroll').getHeight()+20),
      sliderValue: 0,
      onSlide: function(value) {
        new Effect.Move('slider', {
  x: 0, y: '-' + value, mode: 'absolute',
  transition: Effect.Transitions.linear
});

		
      },
      onChange: function(value) { 
        new Effect.Move('slider', {
  x: 0, y: '-' + value, mode: 'absolute',
  transition: Effect.Transitions.linear
});
      }
    });

    
  };


function addObservers() {
return mover();
}

Event.observe(window, 'load', addObservers);