var altezzaSlider = "60px";
	var altezzaSliderMax = "378px";
 	var altezzaAlpha = "0px";
	var altezzaAlphaMax = "60px";

	$(document).ready(function(){
  		$("#wrap_best").css("height", altezzaSliderMax);
		$("#alpha").css("height", altezzaAlpha);
 		$("#view").hide();
		$("#hide").show();
 		$("#view").click(function() {openSlider()})
		$("#hide").click(function() {closeSlider()})
 	function openSlider()
	{	
		$("#view").hide();
		$("#hide").show();
  		$("#wrap_best").animate({"height": altezzaSliderMax}, {duration: "fast" });
  		$("#alpha").animate({"height": altezzaAlpha}, {duration: "fast" });
   		$("#prev").show();
		$("#next").show();
 	}
	
	function closeSlider()
	{
		$("#view").show();
		$("#hide").hide();
		$("#prev").hide();
		$("#next").hide();
 		$("#wrap_best").animate({"height": altezzaSlider}, {duration: "fast" });
		$("#alpha").animate({"height": altezzaAlphaMax}, {duration: "fast" });
  	}
 });