document.write('<style id="noflickerCSS" type="text/css">'+
//'  .sectionbox, .sectionbox2, .sectionblock,'+
//'  .popperblock, .collapsefields,'+
//'  .snav .level2,'+
'x { display: none; }'+
//' .snav .parent .level2, .snav .current .level2,'+
'x{ display : block; }</style>');

// Timeout after 8 seconds and remove the <style> elements - 
// in case some script has thrown an error and js/init.js hasn't finished running
setTimeout(function(c){
    c = document.getElementById('noflickerCSS');
    c && c.parentNode.removeChild(c);
  }, 8000);