Position.getWindowSize = function(w) {
	var width, height;
	w = w ? w : window;
	width = w.innerWidth || (w.document.documentElement.clientWidth || w.document.body.clientWidth);
	height = w.innerHeight || (w.document.documentElement.clientHeight || w.document.body.clientHeight);

	return { width: width, height: height };
};

Effect.BlindLeft = function(element) {
  element = $(element);
  element.makeClipping();
  return new Effect.Scale(element, 0,
    Object.extend({ scaleContent: false, 
 			scaleY: false,
      restoreAfterFinish: true,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping();
      } 
    }, arguments[1] || { })
  );
};

Effect.BlindRight = function(element) {
  element = $(element);
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({ 
    scaleContent: false, 
    scaleY: false,
    scaleFrom: 0,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makeClipping().setStyle({width: '0px'}).show(); 
    },  
    afterFinishInternal: function(effect) {
      effect.element.undoClipping();
    }
  }, arguments[1] || { }));
};

function stopBubble(e) {
	var e = e || window.event;
	e.cancelBubble = true; // stops IE
	if (e.stopPropagation) { // stops others
		e.stopPropagation();
	}
}