[refs #193] Add lost file with wiki_history checkboxes script

app/assets/javascripts/wiki_history.js

@@ -0,0 +1,20 @@
+// Disable checkboxes selection for history table for more than 2 versions:
+//$(document).ready(function() {
+  if ('.wiki .history') {
+    $('.niceCheck-main').click(function() {
+      var count = 0;
+      $('input.history_cbx').each(function(i,el) {
+        if ($(el).attr('checked')) {
+          count = count + 1;
+        }
+      });
+      if (count > 2) {
+        var cbx = $( $(this).find('input.history_cbx')[0] );
+        if ( cbx.attr('checked') ) {
+          $(this).css('background-position', '0pt 0px');
+          cbx.removeAttr('checked');
+        }
+      }
+    });
+  }
+//});