// set style for each #rows>li>ul>li to display:none unless it matches classname
var showclass = classname ? '^mode '+classname+'(?!\\w)' : '^(?!mode)';
var rows = document.getElementById('rows').getElementsByTagName('TR');
// set style for each #rows>li>ul>li to display:none unless it matches classname
var showclass = classname ? '^mode '+classname+'(?!\\w)' : '^(?!mode)';
var rows = document.getElementById('rows').getElementsByTagName('TR');