function login()
{
  var eMail = document.forms["login_form"].elements["account_login_email"].value;
  var password = document.forms["login_form"].elements["password"].value;

  if ( eMail.length > 0 && password.length > 0 )
  {
    var passwordMd5TextBox = document.getElementById("login_password_md5_text_box");
    passwordMd5TextBox.value = hex_md5(password);
  }
}