					<input placeholder="输入关键词后回车搜索" id="filter-keyword" class="filter-btn" onkeypress="javascript:searchElements(event);" />
					&nbsp; 
					<a title="只显示照片" id="filter-image" class="filter-btn" href="javascript:showImageMsgs(event);">照片</a>
					<a title="只显示视频" id="filter-video" class="filter-btn" href="javascript:showVideoMsgs();">视频</a>
					<a title="显示所有消息" id="filter-none" class="filter-btn" href="javascript:showAllMsgs();">所有</a>
