// menu flotante derecha
var NAV=0;
if(document.layers){
  NAV=1;
} else if(document.all){
  NAV=2;
}

function ajustarIdentificacion() {
  elem = document.getElementById('capaIdentificacion');
  if (elem != null){
  	C = elem.style;
	C.top=PS();
  }
  return false;
}

function PS(){
var v=0;
switch(NAV) {
 case 0: {v=window.pageYOffset;} break;
 case 1: {v=document.documentElement.scrollTop;} break;
 case 2: {v=document.body.scrollTop;} break;
 default: { v=0;}
}
return v;
}