Correct self links & restructure a bit.

scheme/httpd/surflets/web-server/root/surflets/add-surflet.scm

@@ -1,9 +1,6 @@
 (define-structure surflet surflet-interface
   (open surflets
-	surflet-requests
 	url
-	handle-fatal-error
-	let-opt
 	scheme-with-scsh)
   (begin
 
@@ -23,13 +20,12 @@
 					,(make-submit-button)))
 			 (hr)
 			 (p (URL "/" "Return to main menu.") (br)
-			    (URL "add2.scm" "Start new calculation."))))))))
-	(if result
-	    (or (input-field-value number-input-field 
-				   (form-query (http-url-search 
-						(surflet-request-url result))))
-		(get-number title "Please enter a valid number."))
-	    (get-number title "Please enter a number."))))
+			    (URL "add-surflet.scm" "Start new calculation.")))))))
+	     (bindings (get-bindings result))
+	     (number (input-field-value number-input-field bindings)))
+	(if number
+	    number
+	    (get-number title "Please enter a valid number."))))
 
     (define (get-number1)
       (get-number "Calculation - Step one" "First number:"))
@@ -38,18 +34,16 @@
       (get-number "Calculation - Step two" "Second number:"))
 
     (define (main req)
-      (let ((number1 (get-number1))
-	    (number2 (get-number2)))
       (send-html 
        `(html (title "Result")
 	      (body (h2 "Result")
-			(p ,(number->string (+ number1 number2)))
+		    (p ,(number->string (+ (get-number1) (get-number2)))
 		       (hr)
 		       (p (URL "add-surflet.scm" "Make new calculation.") (br)
 			  (URL "javascript:history.go(-2)" "New calculation (same session)")
 			  (br)
-			   (URL "/" "Return to main menu.")))))
+			  (URL "/" "Return to main menu."))))))
 
-	"this string will never be evaluated"))
+      "this string will never be evaluated")
     ))