$(document).ready(function(){
	// - creates sortable tables
	$("table.sortable").tablesorter({
		headers:{0:{sorter: false}},
		textExtraction: function(node) { 
			// check if there's a numerical-ish string, otherwise, return the number
			var content = node.innerHTML;
			var reg = new RegExp(/([0-9\,\.]+)(kW|mm|m)/);
			if (reg.test(content)) {
				var ar = reg.exec(content);
				return ar[1].replace(',', '');
			}
			return content;
		}
	});
	$("table.zebra.sortable").bind("sortEnd", function(){
		zebraTables();
	});
});