// nuuBe 2.0

function $(id){   return document.getElementById(id); }

function enfocar(u){ if(document.nf.u) { document.nf.u.focus(); } }

function switchVisib(idobj){
   obj=$(idobj);
   if(obj && obj.style.visibility=="hidden") obj.style.visibility="visible";
   else obj.style.visibility="hidden";
}

function switchText(obj,txt1,txt2){
   original=obj.firstChild.nodeValue.innerHTML;
   if(original==txt2) obj.firstChild.nodeValue.innerHTML=txt1;
   else obj.firstChild.nodeValue.innerHTML=txt2;
}