Do not highlight empty string

bt5/erp5_km/SkinTemplateItem/portal_skins/erp5_km_theme/km_js/erp5_km.js.xml

@@ -12,7 +12,7 @@
         </item>
         <item>
             <key> <string>_EtagSupport__etag</string> </key>
-            <value> <string>ts07528717.77</string> </value>
+            <value> <string>ts09346482.3</string> </value>
         </item>
         <item>
             <key> <string>__name__</string> </key>
@@ -255,9 +255,11 @@ function highlight_search_word(){\n
     // multiple words\n
     search_word_list = search_text.split("%20")\n
     for(var i=0; i<search_word_list.length; i++) {\n
+      if (search_word_list[i] != \'\') {\n
         document_body.highlight(search_word_list[i], "highlight")\n
         headline.highlight(search_word_list[i], "highlight")\n
         title.highlight(search_word_list[i], "highlight")\n
+      }\n
       \n
     }\n
   }\n
@@ -275,7 +277,7 @@ $(document).ready(initialize_form);\n
         </item>
         <item>
             <key> <string>size</string> </key>
-            <value> <int>8364</int> </value>
+            <value> <int>8417</int> </value>
         </item>
         <item>
             <key> <string>title</string> </key>

bt5/erp5_km/bt/revision

-1809
\ No newline at end of file
+1810
\ No newline at end of file