disable diff button when no two revisions are selected FS#1663

Ignore-this: 9c8cf4530d94d7168e34158c59ee4c66

darcs-hash:20090526104223-8beed-76c3e9ef68cc651518994ce31a0e4dfe566e7020.gz

lib/scripts/script.js

@@ -497,6 +497,8 @@ addInitEvent(function(){
                     else input2.disabled = (input2.type!='checkbox');
                 }
             });
+        } else if(input1.type=='submit'){
+            input1.disabled = true;
         }
     }
 });

lib/tpl/default/design.css

@@ -137,6 +137,7 @@ div.dokuwiki textarea.edit[disabled],
 div.dokuwiki textarea.edit[readonly],
 div.dokuwiki input.edit[disabled],
 div.dokuwiki input.edit[readonly],
+div.dokuwiki input.button[disabled],
 div.dokuwiki select.edit[disabled] {
   background-color: __background_neu__!important;
   color: __text_neu__!important;