function verify() {
var themessage = "You are required to complete the following fields: ";
if (document.contactform.Name.value=="") {
themessage = themessage + " - Name";
}
if (document.contactform.Phone.value=="") {
themessage = themessage + " -  Telephone";
}
if (themessage == "You are required to complete the following fields: ") {
document.contactform.submit();
}
else {
alert(themessage);
return false;
   }
}