<!-- inicio janela imprimir -->
function imprimir_mapa(URL) {
   var width = 550;
   var height = 410;

   var left = 50;
   var top = 50;

   window.open(URL,'imprimir', 'width='+width+', height='+height+', top='+top+', left='+left+', scrollbars=no, status=no, toolbar=no, location=no, directories=no, menubar=no, resizable=no, fullscreen=no');
} 
<!-- fim janela imprimir -->




function Mostra(id1, id2) {
  if (id1 != '') expMenu(id1);
  if (id2 != '') expMenu(id2);
}
function expMenu(id) {
  var itm = null;
  if (document.getElementById) {
		itm = document.getElementById(id);
  } else if (document.all){
		itm = document.all[id];
  } else if (document.layers){
		itm = document.layers[id];
  }
	
  if (!itm) {
  }
  else if (itm.style) {
		if (itm.style.display == "none") { itm.style.display = ""; }
	else { itm.style.display = "none"; }
    }
  else { itm.visibility = "show"; }
}