// JavaScript Document
var tempo;
var opa = 0;
function ver() {
  opa+=10;
  if (opa==100) clearInterval(tempo);
  obj = document.getElementById('imageMenu');
  if (document.all)
    obj.style.filter = 'alpha(opacity='+opa+')';
  else
    obj.style.MozOpacity = opa/100; 
}