function contact_add(){
	if (document.contact_form.name.value.length < 2)
	{
		alert("User name can not be empty!");
		document.contact_form.name.focus();
		return false;
	}
	if (document.contact_form.address.value.length < 7)
	{
		alert("Please fill in the contact address!");
		document.contact_form.address.focus();
		return false;
	}
	if (document.contact_form.email.value.length < 5)
	{
		alert("Please fill in the mail!");
		document.contact_form.email.focus();
		return false;
	}
	if (document.contact_form.body.value.length < 5)
	{
		alert("Consultation shall not be less than 5 characters!");
		document.contact_form.body.focus();
		return false;
	}
return true;
}
function search_add(){
  if (document.search.keyword.value.length < 2)
  {
	  alert("Please enter Keyword!");
	  document.search.keyword.focus();
	  return false;
  }
  return true;
}