function hideData(id){
element = document.getElementById(id);
obj = element.style;
(obj.display == 'block')? obj.display = 'none' : obj.display = 'block';
}
function showData(id){
	element = document.getElementById(id);
	obj = element.style;
	(obj.display == 'none')? obj.display = 'block' : obj.display = 'none';
}
function showGraph(id){
 var pagina="http://www.empresaexterior.com/rank/index.php?id=" + id ;
 location.href=pagina;
}