function checkform() {

if (document.join_us.email.value == ""){
alert ("Enter your email address.")
document.join_us.email.focus();
return false;
}

if (document.join_us.contact_name.value == ""){
alert ("Enter your first and last name.")
document.join_us.contact_name.focus();
return false;
}

if (document.join_us.subject_of_request.value == ""){
alert ("Enter the subject matter of your inquiry.")
document.join_us.subject_of_request.focus();
return false;
}

if (document.join_us.preferred_contact.value == "telephone" && document.join_us.telephone.value==""){
alert ("You indicated you want to be contact by telephone. Please include your telephone number.")
document.join_us.telephone.focus();
return false;
}

if (document.join_us.preferred_contact.value == "telephone" && document.join_us.best_time_to_call.value==""){
alert ("You indicated you want to be contact by telephone. Please include the best time to contact you.")
document.join_us.best_time_to_call.focus();
return false;
}

if (document.join_us.question.value == ""){
alert ("Please enter your question, comment, or concern.")
document.join_us.question.focus();
return false;
}

var message; 
  message = "<p>The following comments have been submitted from www.foremostfarms.com.</p>";
  message = message + "<br/><b>Email: </b>" + document.join_us.email.value; 
  message = message + "<br/><b>Name: </b>" + document.join_us.contact_name.value; 
  message = message + "<br/><b>Address: </b>" + document.join_us.address.value;
  message = message + "<br/><b>City: </b>" + document.join_us.city.value;
  message = message + "<br/><b>State: </b>" + document.join_us.state.value;
  message = message + "<br/><b>Zip: </b>" + document.join_us.zip.value;
  message = message + "<br/><b>Preferred contact method: </b>" + document.join_us.preferred_contact.value;
  message = message + "<br/><b>Telephone: </b>" + document.join_us.telephone.value;
  message = message + "<br/><b>Subject: </b>" + document.join_us.subject_of_request.value;
  message = message + "<br/><b>Question/Comment/Concern: </b>" + document.join_us.question.value;

document.join_us.MSGCONTENT.value=message; 

return true;
}