var effect1 = null;
	  var effect2 = null;
	  var effect3 = null;
	  var effect4 = null;
	  var effect5 = null;
	  var effect5 = null;
	  var effect6 = null;

	function showLayer(layer,effect){

		if (effect){
			effect.cancel();
		}

		// SHOW LAYER
		Element.setOpacity(layer, 1.0);
		document.getElementById(layer).style.visibility='visible';
		Element.show(layer);

	}

	function hideLayer(layer){

		// HIDE LAYER
		new Effect.Fade(layer);

	}