Event.observe(window, 'load', function() {
        var els = $$("table#customerlist-table tr.item");
        els.each(function(el) {
          el.hide();
        });     
        $$("a.show-items").each(function(link) {
                var order_id = link.readAttribute("href").sub("#",'');
                link.observe("click", function(event) {
                				this.toggleClassName('show-items', 'hide-items');
                				var toggled = this.className;
                				var order_id = this.id.split('-')[1];
                				$$("tr.items-"+order_id).each(function(el) {
                					if (toggled) {
                						el.hide();
                					}
                					else {
                						el.show();
                					}
                				});
                });
        });
});