function validate_email(field,alerttxt)
{
with (field)
  {
  apos=value.indexOf("@");
  dotpos=value.lastIndexOf(".");
  if (apos<1||dotpos-apos<2)
    {alert(alerttxt);return false;}
  else {return true;}
  }
}

function validate_required(field,alerttxt)
{
with (field)
  {
  if (value==null||value=="")
    {
    alert(alerttxt);return false;
    }
  else
    {
    return true;
    }
  }
}

function validate_form_wp(thisform)
{
with (thisform)
  {
  if (validate_required(first_name,"Please provide your first name.")==false)
  {first_name.focus();return false;}
  if (validate_required(last_name,"Please provide your last name.")==false)
  {last_name.focus();return false;}
  if (validate_required(company,"Please provide your company.")==false)
  {company.focus();return false;}
  if (validate_email(email,"Is that a real email address?")==false)
  {email.focus();return false;}
  if (validate_required(phone,"Please provide your phone number.")==false)
  {phone.focus();return false;}

  }
}