--- trunk2/eurovoc/abecedno.html	2004/10/31 19:42:08	570
+++ trunk2/eurovoc/abecedno.html	2004/11/01 01:42:45	571
@@ -146,7 +146,8 @@
 function do_filter(filter) {
 	set_cookie('w2_lastsearch', filter);
 	var f = l2_unescape(filter);
-	f = f.substr(0,2) + unac(f.substr(2,f.length-2));
+	if (! f) f='';
+	if (f.length > 2) f = f.substr(0,2) + unac(f.substr(2,f.length-2));
 	if (self.document.myfilter) {
 		element_id('status').innerHTML = "Pretraživanje u tijeku...";
 		self.document.myfilter.filter(f);