anchor.diff:  
   <table>
   	<tr>
  -		<td><chrome:division title="New Treatment Epoch-PAGE.ROW.INDEX">
  +		<td><chrome:division title="New Treatment Epoch">
   			<table>
   
   				<tr>
  
positive.code: 					onclick="$('dummy-row').innerHTML=$('treatmentHtml').innerHTML;RowManager.addRow(instanceRowEpoch)" />
  
  				&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <input
  					id="addEpoch" type="button" value="Add NonTreatment Epoch"
  					onclick="$('dummy-row').innerHTML=$('non-treatmentHtml').innerHTML;RowManager.addRow(instanceRowEpoch)" /><br>
  				</td>
  
  
negative.code: <div id="non-treatmentHtml" style="display:none">
  <table>
  	<tr>
  		<td><chrome:division title="New Non-Treatment Epoch">
  
  			<table width="100" border="0" cellspacing="0" cellpadding="0"
  				id="details">
  