window.onload = function (){
  timerID = setTimeout("undo_google_toolbar()", 1000);
}

function undo_google_toolbar(){
  var inputs = document.getElementsByTagName("input"); 
  for (var i = 0; i < inputs.length; i++) {
  if(inputs[i].getAttribute("type") == "text") 
    inputs[i].style.background = "#ffffff";
  }
}