-<tr><td>X:</td><td id="gravX">...</td></tr>\r
-<tr><td>Y:</td><td id="gravY">...</td></tr>\r
-<tr><td>Z:</td><td id="gravZ">...</td></tr>\r
-<tr><td>Alpha:</td><td id="gravAlpha">...</td></tr>\r
-<tr><td>Beta:</td><td id="gravBeta">...</td></tr>\r
-<tr><td>Gamma:</td><td id="gravGamma">...</td></tr>\r
+<tr><td>X:</td><td id="gravX" class="gravVal">...</td></tr>\r
+<tr><td>Y:</td><td id="gravY" class="gravVal">...</td></tr>\r
+<tr><td>Z:</td><td id="gravZ" class="gravVal">...</td></tr>\r
+<tr><td>Alpha:</td><td id="gravAlpha" class="gravVal">...</td></tr>\r
+<tr><td>Beta:</td><td id="gravBeta" class="gravVal">...</td></tr>\r
+<tr><td>Gamma:</td><td id="gravGamma" class="gravVal">...</td></tr>\r