var flag
flag=0

function change(obj) {
  if (flag==0)
    flag=1
  else
    flag=0;

  obj.focus();
}


function convert(myfield,e) {
  if (flag != 0) {
    return true;
  }

  if (window.event) {
    e = window.event;
    obj = e.srcElement;
    key = e.keyCode;
  } else {
    obj = e.target;
    key = e.charCode;
  }


  if ((key > 32) && (key < 128)) {
    key=' !"#$%،گ)(×+و-./0123456789:ك,=.؟@ِذ}ىُىلآ÷ـ،/’د×؛َءٍف‘{ًْإ~جژچ^_پشذزيثبلاهتنمئدخحضقسفعرصطغظ<|>ّ'.charCodeAt(key-32);

    try {
      // Gecko before banning fake key emission.
      e.initKeyEvent("keypress", true, true, document.defaultView, false, false, true, false, 0, key, obj);
    } catch (err) {
      try {
        // Windows
        e.keyCode = key;
      } catch (err) {
        try {
          // Try inserting at cursor position, Gecko after banning fake key emission
          pnhMozStringInsert(obj, String.fromCharCode(key));
          e.preventDefault();
        } catch (err) {
          // Everything else, simply add to the end of buffer
          obj.value += String.fromCharCode(key);
          e.preventDefault();
        }
      }
    }
  } //if


  return true;
}