anchor.diff:  			
   			var andItem = document.getElementById('and');
   			andItem.className="linkChange";
  -			var link = "AdvanceQueryView.do?operator=AND&itemId="+itemId;
  +			var link = "AdvanceQueryView.do?operator=EXIST&itemId="+itemId;
   			andItem.innerHTML ="<img src='images/point.gif' alt='And' />&nbsp;<a HREF='"+link+"'>And</a>"
   			
   			var orItem = document.getElementById('or');
  
positive.code: 			
  			var andItem = document.getElementById('and');
  			andItem.className="linkChange";
  			var link = "AdvanceQueryView.do?operator=AND&itemId="+itemId;
  			andItem.innerHTML ="<img src='images/point.gif' alt='And' />&nbsp;<a HREF='"+link+"'>And</a>"
  			
  			var orItem = document.getElementById('or');
  
negative.code: 			
  			var andItem = document.getElementById('and');
  			andItem.className="linkChange";
  			var link = "AdvanceQueryView.do?operator=EXIST&itemId="+itemId;
  			andItem.innerHTML ="<img src='images/point.gif' alt='And' />&nbsp;<a HREF='"+link+"'>And</a>"
  			
  			var orItem = document.getElementById('or');
  