anchor.diff:  							<div class='inner' id='srchBlock'>
   								<div>This is the IMPC data model. Select the datatypes to build your query. Click <button id="dataType">OK</button> to continue.</div>
   								<div id="graph">
  -
  +								<div><button id="clearSel">Clear selections</button></div>
   								</div>
   							</div>
   						</div>
  
positive.code: 			}
  			.clear{width: 100%; clear: both; height: 0px; line-height:0px;}
  
  
  		</style>
  
  
negative.code:                     line.attr ("stroke", lineColor);
                  }
  
                  var bot = paper.bottom, res = [];
                  while (bot) {
                      res.push(bot);
                      console.log( bot.next);
                  }
  
  
                  $('button#clearSel').click(function(){
  
  				});
  
                  // hit OK button to continue to next step
                  $('button#dataType').click(function(){
                      $('div#bqFilter').html('');
                      for (var d=0; d<dataTypes.length; d++) {
                          var id = dataTypes[d];
                          console.log(id)
                          var objs = idsVar[id].fields;
  
                          var inputs = "";
                          for (var i = 0; i < objs.length; i++) {
                              for (var k in objs[i]) {
                                  var display = k;
                                  var dbproperty = objs[i][k];
                                  console.log(k + " - " + objs[i][k]);
                              	inputs += '<input type="checkbox" name="' + display + '" value="' + dbproperty + '">' + display;
                              }
                          }
                          var legend = '<legend>' + idsVar[id].text + '</legend>';
                          var filter = '<fieldset id="' + id + '">' + legend + inputs + '</fieldset>';
                      	$('div#bqFilter').append(filter);
                      }
  
                  });
  