anchor.diff:  			<tr>
   				<td width="90%">
   					<ui:select options="${priorTherapyOptions}" path="priorTherapy" />
  -				</td>
  +                    &nbsp;
  +                    <input id="priortherapy-btn" type="button" value="Add"/>
  +                </td>
   				<td width="10%">
  -					<input id="priortherapy-btn" type="button" value="Add"/>
  +
   				</td>
   			</tr>
   			<tr>
  
positive.code: 			//-- for prior therapy button
  		 	Element.observe('priortherapy-btn','click', function(e){
  			 	var priorTherapyField = $('priorTherapy');
  			 	if(priorTherapyField.selectedIndex < 1) return; //ignore if selected option is please select
  			 	this.addDetails('priorTherapy', e.element(), priorTherapyField.value, 'anchorPriorTherapy');
  			 	priorTherapyField.selectedIndex = 0;
  		 	}.bind(mHistory));
  
negative.code: 		<table class="tablecontent" width="80%">
  			<tr>
  				<td width="90%">
  					<ui:text path="concomitantMedication" size="50" />
                      &nbsp;
                      <input id="concomitantMedication-btn" type="button" value="Add"/>
                  </td>
  				<td width="10%">
  
  				</td>
  			</tr>
  			<tr>
  