optimized SMB link warning thingy

lib/scripts/script.js

@@ -482,14 +482,14 @@ addInitEvent(function(){
  */
 function checkWindowsShares() {
     if(!LANG['nosmblinks']) return true;
+    if(document.all != null) return true;
+
     var elems = getElementsByClass('windows',document,'a');
     if(elems){
         for(var i=0; i<elems.length; i++){
             var share = elems[i];
             addEvent(share,'click',function(){
-                if(document.all == null) {
-                    alert(LANG['nosmblinks']);
-                }
+                alert(LANG['nosmblinks']);
             });
         }
     }