/* vim: set ts=4 tw=4 sw=4 noet: */

function updateRowsPerPage() {
    var rowsPerPage = document.getElementById("rows");
    var found = false;
    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) {
            found = true;
            var base = url.slice(0, pos);
            var href = base + 'rowsperpage=' + rowsPerPage.value;
            link[i].href = href;
        }
    }
    if (found == false) {
        /* current page has rows < current rows per page */
        var href = location.href + '?rowsperpage=' + rowsPerPage.value;
        alert(href);
        location.href = href;
    }
}