var url;
var base;
var href;
- var rowsPerPage = document.getElementById("rows");
var link = document.getElementsByTagName('a');
var found = false;
+ var rowsPerPage = document.getElementById("rows");
+
+ if (rowsPerPage.length < 1) {
+ return;
+ }
for (var i = 0; i < link.length; i++) {
url = link[i].href;
pos = url.search('rowsperpage');