var link = document.getElementsByTagName('a');
for (var i = 0; i < link.length; i++) {
var url = link[i].href;
var pos = url.search('rowsperpage');
if (pos >= 0) {
var link = document.getElementsByTagName('a');
for (var i = 0; i < link.length; i++) {
var url = link[i].href;
var pos = url.search('rowsperpage');
if (pos >= 0) {