function chartrange(obj, evt, path) {
	document.getElementById('article_chart').src = 'http://charts.iguana2.com/sharechat/' + path;

	var tds = document.getElementById('stockChart').getElementsByTagName('td');
  for(i = 0; i < tds.length; i++) {
    tds[i].className = '';
  }	
	obj.parentNode.className = 'selected';
	
}