anchor.diff:        <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 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="Asteroid 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="Size (meters)" 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="Next Close Approach 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="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)"><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="Orbital Period (years)" 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="&#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."><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 ae-impact-popover-main" data-placement="above" title="" data-original-title="Impact Probability"><span class="fa fa-info-circle fa-lg"></span></div>
  +
  +
  +                  <!-- start ae impact opop up -->
  +                        <div id="ae_impact_content_wrapper" style="display: none;">
  +                           <div class="ae-impact-popover">This is the probability that the asteroid will impact Earth, calculated by NASA's Jet Propulsion Laboratory</div>
  +                                <table class="table small table-bordered" style="align:center; width:150px;">
  +                                   <tbody>
  +                                    <tr><td>In the Clear!</td></tr> 
  +                                    <tr class="minimal-danger"><td>Minimal</td></tr>
  +                                    <tr class="low-danger"><td>Low</td></tr>
  +                                    <tr class="med-danger"><td>Medium</td></tr>
  +                                    <tr class="high-danger"><td>High</td></tr>
  +                                    </tbody>
  +                          </table>
  +                        </div>
  +                  <!-- ae impact popp up -->
  +
  +              </th>
  +
  +               <th class="ae-data-table-header">PHA&nbsp;<div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="PHA (Potentially Hazardous Asteroid)" data-content="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>
   
  
positive.code:               <h2 class="ae-asteroid-title">Finding Asteroids Before They Find Us!</h2>
  
                <div id="ae-header-actions-2nd">
                 <a href="https://twitter.com/intent/tweet?text=Explore+%23asteroids+with+@MinorPlanetCtr+Asteroid+Data+Explorer+Project+&url=http://minorplanetcenter.com/mpc/cpanel?filter_type=hazard&hashtags=Asteroidexplorer&via=MinorPlanetCtr" class="btn ae-btn-default" role="button"><i class="fa fa-twitter"></i>&nbsp;Share</a>
                 </div>
                 <br> <br> <br>
                  <div class="ae-slogan">
  
negative.code:           <!-- main navigation -->
            <ul id="nav">
              <li>
      <!-- removed menu -->
              </li>
             
              <li> 
  