*) bugfix for optra problem with span node

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@1750 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/js/Index.js

@@ -31,7 +31,7 @@ function handleState(req) {
 	var status = response.getElementsByTagName("status")[0].firstChild.data;
 	
 	var span = document.getElementById(urlHash)
-	span.removeChild(span.firstChild);
+	if (span.hasChildNodes()) span.removeChild(span.firstChild);
 	
 	if (status < 11) {
 		span.className = "snippetLoaded";