function showHide(id) {
 var obj = document.getElementById(id);
 if(id == "evento") {
	 document.getElementById("evento").style.display = "block";
	 document.getElementById("slider-wrapper").style.display = "none";
 } else if(id == "slider-wrapper") {
  document.getElementById("evento").style.display = "none";
  document.getElementById("slider-wrapper").style.display = "block";
 }
}