Only load tag information if necessary

htroot/interaction_elements/Tag_part.html

@@ -40,15 +40,19 @@ color: #5a346e;
 	
 	var existingtags = "";
 	
-	$.ajaxSetup({async: false});
-	
 	var resultstring = "";
 	
-$.getJSON('/currentyacypeer/api/yacydoc.htm?urlhash=#[hash]#', function(data) {
+	if (vocabularies_string != "") {
+
+		$.ajaxSetup({async: false});
+	
 	
-	resultstring = data.result;
-});
 
+		$.getJSON('/currentyacypeer/api/yacydoc.htm?urlhash=#[hash]#', function(data) {
+
+			resultstring = data.result;
+		});
+	}