function emailToFriend(article_id) {
  var newwin = window.open('/email-to-friend.php?article_id=' + article_id, 'Email', 'width=240,height=560');
}

var active_tab = 'Investing';

function dataRatesChangeTab(obj, evt, tab) {
  var previous_tab = active_tab;
  active_tab = tab;
  
  if(document.getElementById('dataRatesTabTable')) {
    var cells = document.getElementById('dataRatesTabTable').rows[0].cells;
    for(i = 0; i < cells.length; i++) {
      if(cells[i].style) {
        if(cells[i].id == 'dataRatesTab' + tab) {
          cells[i].style.backgroundColor = '#bbccee';
        }
        else {
          cells[i].style.backgroundColor = '#eeeeee';
        }
      }
    }
  
    var blocks = document.getElementById('dataRatesBody').childNodes;
    for(i = 0; i < blocks.length; i++) {
      if(blocks[i].style) {
        if(blocks[i].id == 'dataRatesBlock' + tab) {
          blocks[i].style.display = 'block';  
        }
        else {
          blocks[i].style.display = 'none';  
        }
      }
    }
  }
}

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';
	
}