function submitSearch()
{
  searchForm = document.getElementById("search_form");
  searchForm.submit();
}

function checkValue(cvElt)
{
  if (cvElt.value == "Enter email")
  {
    cvElt.value = "";
  }
  else if (cvElt.value == "")
  {
    cvElt.value = "Enter email";
  }
}