function CheckRequired()
{
var missing;
missing = "";
if (document.contactform.firstname.value == 0)
{
missing = missing + "First Name\n";
}
if (document.contactform.lastname.value == 0)
{
missing = missing + "Last Name\n";
}
if (document.contactform.email.value == 0)
{
missing = missing + "Email\n";
}
if (document.contactform.phone.value == 0)
{
missing = missing + "Phone\n";
}

if (missing.length > 0) {
    alert("Your form is missing the following information:\n" + missing);
	return false;
}
else {
	return true;
}
}


function maxchar() {
     maxlength=500;
     if(document.contactform.comments.value.length>=maxlength) {
          alert('Your comments must be 500 characters or less');
          document.contactform.comments.focus();
          return false;
     } else {
          return true;
     }
}