change text to password

/** *  <form> *  <input type=”text” name=”password” value=”Password” onfocus=”get_password_focus(this)”> *  </form> *  This function can be used for focus password element from password to ******** */ function password_focus(obj) { var newO=document.createElement(‘input’); newO.setAttribute(‘type’,’password’); newO.setAttribute(‘name’,obj.getAttribute(‘name’)); obj.parentNode.replaceChild(newO,obj); newO.focus(); }