clean penalty font, don't allow skater name changes mid-bout

penalties.js

@@ -108,7 +108,7 @@ function penalties_click (event) {
         }
     } else if (pops.className == "majors") {
         val = ((div.value || 0) + inc + 9) % 9;
-    } else {
+    } else if (state == SETUP) {
         val = prompt("Enter skater number", div.text);
     }
 

scoreboard.css

@@ -103,6 +103,7 @@
     background-color: #800;
 }
 #penalties .sk8ers td {
+    font-family: sans-serif;
     vertical-align: top;
     width: 1em;
     line-height: 75%;