function verify() {
var themessage = "You are required to complete the following fields: ";
if (document.clubform.name.value=="") {
themessage = themessage + "Name ";
}
if (document.clubform.email.value=="") {
themessage = themessage + "Email ";
}
//alert if fields are empty and cancel form submit
if (themessage == "You are required to complete the following fields: ") {
document.clubform.submit();
}
else {
alert(themessage);
return false;
   }
}