Fix "same attribute" calculation in card level calc

The actual amount of EXP required does not change, it's
just that if fed same attribute cards, they give 120 EXP
rather than 100 EXP.

web_app/js/sif_tools.js

@@ -970,15 +970,17 @@ function calculate_card() {
         for (level = current_level + 1; level <= target_level; level++) {
             required_exp += get_exp_table_entry(rarity, level);
         }
-        if (same_attribute) {
-            // feeding cards of same attribute get a 1.2x bonus, so reduce the needed exp by that
-            required_exp = Math.floor(required_exp / 1.2);
-        }
         // subtract what we have
         required_exp -= current_exp;
         var resultString = sprintf("To get a %s card from level %d (with %d EXP) to %d requires %d EXP.<br />", rarity, current_level, current_exp, target_level, required_exp);
         // calculate equiv N cards
-        var number_of_n_cards = Math.round(required_exp / 100) + 1;
+        // FINDME
+        if (same_attribute) {
+          n_card_factor = 120;
+        } else {
+          n_card_factor = 100;
+        }
+        var number_of_n_cards = Math.round(required_exp / n_card_factor) + 1;
         resultString += sprintf("(the equivalent of about %d level-1 N cards fed to it)", number_of_n_cards);
         // output the result
         $("#card-result-summary").html(resultString);
@@ -989,12 +991,8 @@ function calculate_card() {
             return;
         }
         var real_exp_to_feed = exp_to_feed;
-        if (same_attribute) {
-            // feeding cards of same attribute get a 1.2x bonus, so account for that
-            real_exp_to_feed = Math.round(real_exp_to_feed * 1.2);
-        }
         // ready to rock
-        var resultsString = "FOO";
+        var resultsString = "";
         // XXX do some calculating
         var exp_tally = current_exp;
         var level = 0;