function fieldchk(form)
{

  if (form.name.value == "")
  {
    alert("Please enter your name.");
    form.name.focus();
        return (false);
     }
     
  if (form.address.value == "")
  {
    alert("Please enter your street address.");
    form.address.focus();
        return (false);
     }
            
   if (form.city.value == "")
  {
    alert("Please enter your city, state, & zip code");
    form.city.focus();
        return (false);
     }

   if (form.email.value == "")
  {
    alert("Please enter your email address");
    form.email.focus();
        return (false);
     }

   if (form.home_phone.value == "")
  {
    alert("Please enter your home phone number.");
    form.home_phone.focus();
        return (false);
     }

   if (form.DOB.value == "")
  {
    alert("Please enter your Date of Birth where indicated.");
    form.DOB.focus();
        return (false);
     }

  if (form.C1.checked == false && form.C2.checked == false)
  {
    alert("Please check either yes or no to indicate whether you have ever volunteered at MCREST.");
    form.C1.focus();
        return (false);
     }

  if (form.C3.checked == false && form.C4.checked == false)
  {
    alert("Please check either yes or no to indicate whether this is required community service.");
    form.C3.focus();
        return (false);
     }

  if (form.C5.checked == false && form.C6.checked == false)
  {
    alert("Please check either yes or no to indicate whether you have ever been a client at MCREST.");
    form.C5.focus();
        return (false);
     }

  if (form.C7.checked == false && form.C8.checked == false && form.C9.checked == false && form.C10.checked == false && form.C11.checked == false && form.C12.checked == false && form.C13.checked == false && form.C14.checked == false)
  {
    alert("Please place a checkmark next to the area that you are interested in volunteering, such as Prepare/Serve Dinner, etc.");
    form.C7.focus();
        return (false);
     }

  if (form.C15.checked == false && form.C16.checked == false && form.C17.checked == false)
  {
    alert("Please indicate if you are able to teach classes, sort donations, or answer phones.");
    form.C15.focus();
        return (false);
     }

  if (form.C18.checked == false && form.C19.checked == false && form.C20.checked == false && form.C21.checked == false)
  {
    alert("AVAILABILITY: Please indicate what times you would be available.");
    form.C18.focus();
        return (false);
     }

  if (form.C22.checked == false && form.C23.checked == false && form.C24.checked == false && form.C25.checked == false)
  {
    alert("AVAILABILITY: Please indicate how far you are willing to travel from your home address.");
    form.C22.focus();
        return (false);
     }

  if (form.C26.checked == false && form.C27.checked == false && form.C28.checked == false)
  {
    alert("AVAILABILITY: Please indicate if you have a car for your use to volunteer.");
    form.C26.focus();
        return (false);
     }

  if (form.C29.checked == false && form.C30.checked == false && form.C31.checked == false)
  {
    alert("Please check to indicate how you heard about MCREST.");
    form.C29.focus();
        return (false);
     }
          

  if (form.random.value == "")
  {
    alert("Please type the code indicated into the text box.");
    form.random.focus();
        return (false);
     }

return (true);
  }

function random_img(){
var image = new Array(
"images/rnd_image1.jpg", 
"images/rnd_image2.jpg", 
"images/rnd_image3.jpg", 
"images/rnd_image4.jpg", 
"images/rnd_image5.jpg", 
"images/rnd_image6.jpg", 
"images/rnd_image7.jpg", 
"images/rnd_image8.jpg");

var l = image.length;
var r = Math.round((l-1)*Math.random());

document.rotate.src = image[r];

}