anchor.diff:         		    			// work out the mapped mp_id and fire off the query
   	       		    		_convertHp2MpAndSearch(input);
          		    		} 
  +       		    		else if ( input.match(/MP%3A\d+ - (.+)/) ){
  +       		    			// hover over hp mp mapping but not selecting 
  +       		    			// eg. Cholesteatoma %C2%BB MP%3A0002102 - abnormal ear morpholog
  +       		    			var matched = input.match(/MP%3A\d+ - (.+)/); 
  +       		    			var mpTerm = '"' + matched[1] + '"';
  +       		    			var fqStr = $.fn.getCurrentFq('mp');
  +       		    			document.location.href = baseUrl + '/search?q=mp_term:' + mpTerm + '#fq=' + fqStr + '&facet=mp'; 
  +       		    		}
          		    		else {
   	       		    		if ( $('ul#facetFilter li.ftag').size() == 0 ){
   	       		    			// if there is no existing facet filter, reload with q
  
positive.code:        		    	}
         		    	else if (! facet){
         		    		
         		    		//alert('2')
         		    		// user hits enter before autosuggest pops up	
         		    		// ie, facet info is unknown
         		    		
  
negative.code: 	       			minLength: 3,
  	       			select: function( event, ui ) {
  	       				// select by mouse / KB
  	       				console.log(this.value + ' vs ' + ui.item.label);
  	       				var oriText = $(ui.item.label).text();
  	       				var facet = $(ui.item.label).attr('class') == 'hp' ? 'mp' : $(ui.item.label).attr('class');
  	       				
  