function contactCheck() {
var themessage = "Please enter all required fields: ";
if (document.form.firstName.value=="") {
themessage = themessage + "\n * First Name";
}
if (document.form.lastName.value=="") {
themessage = themessage + "\n * Last Name";
}
if (document.form.email.value=="") {
themessage = themessage + "\n * Email";
}
if (document.form.question.value=="") {
themessage = themessage + "\n * Question";
}
 
 
//alert if fields are empty and cancel form submit
if (themessage == "Please enter all required fields: ") {
document.form.submit();
}

else {
alert(themessage);
return false;
   }
}