diff --git a/eliza.html b/eliza.html
index 7877090..15203cc 100644
--- a/eliza.html
+++ b/eliza.html
@@ -56,7 +56,7 @@ function eliza (rules) {
         rules: rules,
         input: document.getElementById("textinput"),
         output: document.getElementById("display"),
-        debug: true,
+        debug: false,
         autoscroll: true
     });
 }
diff --git a/eliza.js b/eliza.js
index b8a5bcb..a19ec3c 100644
--- a/eliza.js
+++ b/eliza.js
@@ -129,8 +129,10 @@ function chatbot (opts) {
 
     function match_decomp (pattern, tokens) {
         var ppat = compile_pattern(pattern);
-        // console.log("compile_pattern.in", pattern);
-        // console.log("compile_pattern.out", ppat);
+        if (debug) {
+            console.log("compile_pattern.in", pattern);
+            console.log("compile_pattern.out", ppat);            
+        }
         var ppat = new RegExp(ppat, "i");
         return ppat.exec(tokens.join(" "));
     }
@@ -144,9 +146,7 @@ function chatbot (opts) {
     function do_reasmb (reasmb, match, tokens) {
         if (Array.isArray(match)) {
             return reasmb.replace(/\((\d+)\)/, function (m, n) {
-                // console.log("replace", m, n);
-                var ret = match[parseInt(n)];
-                return do_post(ret); // apply POST substitutions here to matching input
+                return do_post(match[parseInt(n)]); // apply POST substitutions here to matching input
             });
         } else {
             return reasmb;
@@ -157,27 +157,27 @@ function chatbot (opts) {
         for (var i=0, l=keywords.length; i<l; i++) {
             var keyword = keywords[i];
             if ((keyword.token == "xnone") && (saved_statements.length > 0)) {
-                console.log("using saved statement");
+                if (debug) { console.log("using saved statement"); }
                 return saved_statements.shift();
             }
             while (true) {            
-                console.log("trying keyword", keyword.token);
+                if (debug) { console.log("trying keyword", keyword.token); }
                 for (var ri=0, rl = keyword.rules.length; ri<rl; ri++) {
                     var rule = keyword.rules[ri];
-                    console.log("trying rule", rule.decomp, "("+(ri+1)+"/"+rl+")");
+                    if (debug) { console.log("trying rule", rule.decomp, "("+(ri+1)+"/"+rl+")"); }
                     var match = match_decomp(rule.decomp, tokens);
                     if (match) {
                         var ra = rule.reasmb();
                         if (rule['save']) {
                             var save = do_reasmb(ra, match, tokens);
-                            console.log("save", save);
+                            if (debug) { console.log("save", save); }
                             saved_statements.push(save);
                         } else if (ra.indexOf("goto ") == 0) {
                             var goto_name = ra.substr(5);
-                            console.log("goto", goto_name);
+                            if (debug) { console.log("goto", goto_name); }
                             keyword = rules.keywords_by_token[goto_name]
                         } else {
-                            console.log("match", match, ra);
+                            if (debug) { console.log("match", match, ra); }
                             return do_reasmb(ra, match, tokens);                             
                         }
                     }