anchor.diff:  // Div IDS
   divs = {
   	chart:  "chart", 
  -	yaxis:  "y_axis", 
   	legend: "legend-dual", 
  -	y2axis: "y_axis_right"
  +	y2axis: "y_axis_right",
  +	slider: slider
   }
   
   // query bounds
  
positive.code: 	base:        gon.base,
  	right:       right_id, 
  	right_links: right_links,
  	left_links:  left_links 
  }
  // Extra GUI
  gui  = {
  
negative.code: 
  <div class="slider" id="slider"></div>
  <span id="zoomtoselected" class="no_link zoomtoselected"></span>
  
  <div id="chart"></div>
  <div class="legend" id="legend-dual"></div>
  
  <script>
  var data = [], metrics =  [], format_metrics = [], right_links = [], left_links = [];
  