function changeLoginElement(el, div) {
  var div_el = document.getElementById(div);
  if (el.name == "login_username" && el.value == 'E-mail') el.value = "";
  if (el.name == "login_password" && el.value == 'Wachtwoord') {
    var pw_el = document.createElement("input");
    pw_el.type = "password";
		pw_el.id = el.id;
    pw_el.name = el.name;
    pw_el.value = "";
    
    for (i = 0; i < div_el.childNodes.length; i++) {
      if (div_el.childNodes[i].name == "login_password") {
        
        div_el.removeChild(div_el.childNodes[i]);
        div_el.appendChild(pw_el);
        
        pw_el.focus();
        pw_el.select();
        break;
      }
    }
  }
}

function submitLoginForm(form) {
	var username = document.getElementById("login_username");
	var password = document.getElementById("login_password");
  if (username.value == "E-mail" || password.value == "Wachtwoord") return false;
  form.submit();
  return true;
}