js gradient display gradient disappear sample code

<table class="bgWhite border3PGreye7e7e7 marginT20 roundedCorner width100P">
<tbody>
<tr class="bgLightGreyf5f5f5 height40">
<th class="border_bottom3Pgreye7e7e7 border_right1Pgreye7e7e7 border_top1PWhite fontGreyGeneral textCenter roundedCorner_TL verticalMiddle width30P" colspan="2">MY ACCOMPLISHMENTS</th>
</tr>

<tr class="bgWhite height40">
<td class="border_bottom1Pgreye7e7e7 border_right1Pgreye7e7e7 fontGreyGeneral p14Font width20P">
<div class="margin5">border_bottom1Pgreye7e7e7</div>
</td>
<td class="border_bottom1Pgreye7e7e7 border_right1Pgreye7e7e7 fontGreyGeneral p14Font textLeft width80P">
border_bottom1Pgreye7e7e7
</td>
</tr>
<tr class="bgWhite height40">
<td class="border_bottom1Pgreye7e7e7 border_right1Pgreye7e7e7 fontGreyGeneral p14Font width20P">
<div class="margin5">border_bottom1Pgreye7e7e7</div>
</td>
<td class="border_bottom1Pgreye7e7e7 border_right1Pgreye7e7e7 fontGreyGeneral p14Font textLeft width80P">
border_bottom1Pgreye7e7e7
</td>
</tr>
</tbody>
</table>
<div class="floatR marginT5 p14Font textLink" onclick="showAccomplishmentTableRow();">More</div>