function check_aform() {
     var field  = document.getElementById('strFirstName');
     
     if(field.value=='') {
         alert("First Name is required.");
         field.focus()
         return false;
     }

     field  = document.getElementById('strLastName');
     
     if(field.value=='') {
         alert("Last Name is required.");
         field.focus()
         return false;
     }

     field  = document.getElementById('strEmail');
     
     if(field.value=='') {
         alert("Email is required.");
         field.focus()
         return false;
     }

     field  = document.getElementById('strLogin');
     
     if(field.value=='') {
         alert("Username is required.");
         field.focus()
         return false;
     }

     field  = document.getElementById('strPassword');
     
     if(field.value=='') {
         alert("Password is required.");
         field.focus()
         return false;
     }

     field  = document.getElementById('strPassword');
     var field2  = document.getElementById('strRetypePassword');
     
     if(field.value!=field2.value) {
         alert("Confirm password and password doesn't match.");
         field.focus()
         return false;
     }

     field  = document.getElementById('code');
     
     if(field.value=='') {
         alert("Validation Code is required.");
         field.focus()
         return false;
     }


     field  = document.getElementById('checkTOS');
     
     if(!field.checked) {
         alert("You must agree to the Terms of Service.");
         field.focus()
         return false;
     }


     return true;
   }