var disabledFlag = 0;
var isIE = (document.documentElement.getAttribute("style") ==
               document.documentElement.style);
function addFormAttribute(form) {
  isIE ? form.setAttribute("onsubmit", new Function("if (this.bakecookie.checked) rememberMe(this);disableSubmit(this);")) :
         form.setAttribute('onsubmit','if (this.bakecookie.checked) rememberMe(this);disableSubmit(this);');
  var elements = form.elements;
  for (var i = 0; i < elements.length; i++) {
    if (elements[i].type == 'submit' && elements[i].getAttribute('name') == 'post') {
      isIE ? elements[i].setAttribute("onclick", new Function("setHiddenValue(this);")) :
             elements[i].setAttribute('onclick','setHiddenValue(this)');
    }
  }
}
function disableSubmit(form) {
  if(!disabledFlag){
    return;
  }
  var elements = form.elements;
  for (var i = 0; i < elements.length; i++) {
    if (elements[i].type == 'submit' || elements[i].type == 'button') {
      elements[i].disabled = true;
    }
  }
}
function setHiddenValue(button) {
  if (button.name) {
    var q = document.createElement('input');
    q.type = 'hidden';
    q.name = button.name;
    q.value = button.value;
    button.form.appendChild(q);
    disabledFlag = 1;
  }
}