anchor.diff:  		 	}.bind(mHistory));
   
   			Event.observe('command', 'submit', function(e){
  +
  +				/* Below is a very ugly tweak did for IE7 if priorTherapyAgents[i]-input='begin', the value of priorTherapyAgents[i], is assumed by spring as its value 
  +				  But only happens in IE7
  +				  */
   				AE.resetAutocompleter('metastaticDiseaseSite');
   				var i = 0;
  -				for(i = 0; i < 15; i++)	AE.resetAutocompleter('priorTherapyAgents[' + i + ']');
  +				for(i = 0; i < 15; i++){
  +					var el = 	$('priorTherapyAgents[' + i + ']');
  +					if(el) el.value = '';
  +					if(el) $('priorTherapyAgents[' + i + ']-input').value = '';
  +				}
   			});
   			
   		 	//-- find the bsa
  
positive.code:         <td width="90%"><ui:select options="${preExistingConditionOptions}" path="preExistingCondition"></ui:select>
            &nbsp;
            <input id="pre-cond-btn" type="button" value="Add"/>
          </td>
        </tr>
        <tr>
  
negative.code:  	 		addDetails : function(itemType, src, val, loc, options){
   	 	 		
   	 	 		src.disable();
   	 	 		var idiv = $(src.id + "-indicator"); 
   	 	 		if(idiv) idiv.removeClassName('indicator');
  				 	 	 		
   	 	 		var container = $(loc);
   	 	 		var paramHash = new Hash(); //parameters to post to server
   	 	 		paramHash.set('task', 'add');
  