jstanks: replace alert! with debug!

debugger.html.m4

@@ -70,7 +70,7 @@
     <p>
       <input type="button" onclick="resetTanks();" value="Run"> (Remember to submit (below) when you're done!)
     </p>
-    <p id="debug"></p>
+    <p id="debug">[<tt>debug!</tt> puts things here, remember to remove it before submitting]</p>
     <form id="form">
     <div id="stuff">
     <div id="code">

jstanks.js

@@ -74,7 +74,7 @@ var Forf = function() {
     this.cmdstack = [];
     this.builtins = new Object();
 
-    this.builtins["alert!"] = function(myforf) { alert(myforf.datastack.pop()); };
+    this.builtins["debug!"] = function(myforf) { document.getElementById('debug').innerHTML = myforf.datastack.pop(); };
     var unfunc = function(func) {
         return function(myforf) {
             var a = myforf.datastack.pop();