anchor.diff:  <!-- charts START -->
     <div id="charts">
   
  -    <div id="speed-chart" class="chart"><div class="title">Size (meters)&nbsp;&nbsp;|&nbsp;&nbsp; <div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="Size (meters)" data-content="Approximate dimension of asteroids">&nbsp;<span class="fa fa-info-circle fa-lg"></span>&nbsp;</div></div></div>
  +    <div id="speed-chart" class="chart"><div class="title">Size (meters)&nbsp;&nbsp;|&nbsp;&nbsp; <div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="JSON data column: size" data-content="Approximate dimension of asteroids">&nbsp;<span class="fa fa-info-circle fa-lg"></span>&nbsp;</div></div></div>
       
  -    <div id="size-chart" class="chart"><div class="title">Next Close Approach Distance (LD)&nbsp;&nbsp;|&nbsp;&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="Next Close Approach Distance (LD)" data-content="LD stands for Lunar Distance. How close the asteroid will come on its next flyby of Earth (1 LD = 384,401 km)">&nbsp;<span class="fa fa-info-circle fa-lg"></span>&nbsp;</div></div></div>
  +    <div id="size-chart" class="chart"><div class="title">Next Close Approach Distance (LD)&nbsp;&nbsp;|&nbsp;&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="JSON data column: close_app_dist" data-content="LD stands for Lunar Distance. How close the asteroid will come on its next flyby of Earth (1 LD = 384,401 km)">&nbsp;<span class="fa fa-info-circle fa-lg"></span>&nbsp;</div></div></div>
       
  -    <div id="perihelion-distance-chart" class="chart"><div class="title">Orbital Period (years)&nbsp;&nbsp;|&nbsp;&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="Orbital Period (years)" data-content="How long it takes the asteroid to complete one trip around the Sun">&nbsp;<span class="fa fa-info-circle fa-lg">&nbsp;</span></div></div></div>
  -
  -    <div id="earth-moid-chart" class="chart"><div class="title">&#916;v (km/s)&nbsp;&nbsp;|&nbsp;&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="&#916;v (km/s)" data-content="Approximate change in speed required to reach the asteroid; the more speed required, the harder it is to get to it.">&nbsp;<span class="fa fa-info-circle fa-lg">&nbsp;</span></div></div></div>
  +    <div id="perihelion-distance-chart" class="chart"><div class="title">Orbital Period (years)&nbsp;&nbsp;|&nbsp;&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="JSON data column: period" data-content="How long it takes the asteroid to complete one trip around the Sun">&nbsp;<span class="fa fa-info-circle fa-lg">&nbsp;</span></div></div></div>
  +
  +    <div id="earth-moid-chart" class="chart"><div class="title">&#916;v (km/s)&nbsp;&nbsp;|&nbsp;&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="JSON data column: delta_v" data-content="Approximate change in speed required to reach the asteroid; the more speed required, the harder it is to get to it.">&nbsp;<span class="fa fa-info-circle fa-lg">&nbsp;</span></div></div></div>
   
     </div>
   <!-- charts END -->
  
positive.code:           <!-- main navigation -->
            <ul id="nav">
              <li>
      <!-- removed menu -->
              </li>
             
              <li> 
  
negative.code:       <tr>
       
  
                <th id="ae-col-1" class="ae-data-table-header">Asteroid<br/>Designation&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="bottom" title="JSON data column: designation" data-content="Name that astronomers refer to the asteroid by"><span class="fa fa-info-circle fa-lg"></span></div></th>
  
                <th class="ae-data-table-header">Size (meters)&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="JSON data column: size" data-content="Approximate dimension of asteroids"><span class="fa fa-info-circle fa-lg"></span></div></th>
  
                <th class="ae-data-table-header">Next Close<br/>Approach Date&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="JSON data column: close_app_date" data-content="When the asteroid will next flyby Earth"><span class="fa fa-info-circle fa-lg"></span></div></th>
  
                <th class="ae-data-table-header">Next Close<br/>Approach Distance (LD)&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="JSON data column: close_app_dist" data-content="LD stands for Lunar Distance. How close the asteroid will come on its next flyby of Earth (1 LD = 384,401 km)"><span class="fa fa-info-circle fa-lg"></span></div></th>
  
                <th class="ae-data-table-header">Orbital<br>Period (years)&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="JSON data column: period" data-content="How long it takes the asteroid to complete one trip around the Sun"><span class="fa fa-info-circle fa-lg"></span></div></th>
  
                <th class="ae-data-table-header">&#916;v (km/s)&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="JSON data column: delta_v" data-content="Approximate change in speed required to reach the asteroid; the more speed required, the harder it is to get to it."><span class="fa fa-info-circle fa-lg"></span></div></th>
  
                <th class="ae-data-table-header">Impact<br>Probability&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="JSON data column: impact_prob" data-content="This is the probability that the asteroid will impact Earth, calculated by NASA's Jet Propulsion Laboratory (JPL)"><span class="fa fa-info-circle fa-lg"></span></div></th>
  
                 <th class="ae-data-table-header">PHA&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="JSON data column: pha" data-content="Potentially Hazardous Asteroid: This asteroid is large enough and its orbit is close enough to Earth's that one day it might pose an impact hazard"><span class="fa fa-info-circle fa-lg"></span></div></th>
  
                <th class="ae-data-table-header">Share&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="Share with the World!" data-content="Share information about this asteroid!"><span class="fa fa-info-circle fa-lg"></span></div></th>
  
  