// JavaScript Document
function validar(){
   if(document.getElementById("nom").value==""){
      alert("El Nombre es obligatorio");
	  return false;
   }
   if(document.getElementById("com").value==""){
      alert("El Comentario es obligatorio");
	  return false;
   }
   if(document.getElementById("ema").value==""){
      alert("El E-Mail es obligatorio");
	  return false;
   }
   return true;
}
function show(id){
  //alert(id);	
  //if(id=="submenu1s"){
     document.getElementById("submenu1s").style.visibility="visible";
	 //document.getElementById("submenu2s").style.display="none";
	 //document.getElementById("submenu2e").style.visibility="hidden";
  //}
  /*
  if(id=="submenu2s"){
     document.getElementById(id).style.visibility="";
	 document.getElementById("submenu1s").style.visibility="hidden";
	 //document.getElementById("submenu1e").style.visibility="hidden";
  }	
  if(id=="submenu1e"){
     document.getElementById(id).style.visibility="";
	 document.getElementById("submenu2s").style.visibility="hidden";
	 //document.getElementById("submenu2e").style.visibility="hidden";
  }	 
  if(id=="submenu2e"){
     document.getElementById(id).style.visibility="";
	 document.getElementById("submenu1s").style.visibility="hidden";
	 document.getElementById("submenu1e").style.visibility="hidden";
  }	
  */
}
function hide_all(){
  document.getElementById("submenu1s").style.visibility="hidden";
  //document.getElementById("submenu2s").style.visibility="hidden";
  //document.getElementById("submenu1e").style.visibility="hidden";
  //document.getElementById("submenu2e").style.visibility="hidden";
}
//-->