div#talkgroupHistory table#tgHistory tbody tr:nth-child(n+4) {
  display: none;
}

div#talkgroupHistory table#tgHistory caption#tgHistoryCapt img#tgHistoryToggleIcon {
	position: relative;
    content:url(http://mossvaleweather.net/mobile/graphs/th_green_arrow_small1.gif);
}