function switchsm(id) {
  sm = "sousmenu" + id;
  if (document.getElementById(sm).style.display!="block") {
	document.getElementById(sm).style.display="block";
	chgimg('menu'+id, 'jmenu' + id + 'open');
	try {
	  eval(sm+"open=true;");
	} catch (e){
	  //
	}
  } else {
	hidesm(id);
  }
}

function hidesm (id) {
  sm = "sousmenu" + id;
  document.getElementById(sm).style.display="none";
  try {
	eval(sm+"open=false;");
  } catch (e){
	//
  }
  chgimg('menu' + id, 'jmenu' + id);
}