<!--
 function missing_field()
 {
 if (document.registration.username.value.length == 0)
 {
 alert("Please enter the desired username!");
 return false;
 }
 if (document.registration.password.value.length == 0)
 {
 alert("Please enter the desired password!");
 return false;
 }
 if (document.registration.name.value.length == 0)
 {
 alert("Please enter your name!");
 return false;
 }
 if (document.registration.email.value.length == 0)
 {
 alert("Please enter your email address!");
 return false;
 }
return true;
 }
 //-->