JQuery点击收起，点击展开以及部分非空小验证

<tr>
<td nowrap align="right" width="18%">
解决方案:
</td>
<td width="35%">
<a href="#" id="btnShow">
<%--点击添加--%>
<img id="imgShow" style="width: 50px; height: 50px" src="../images/add.jpg" />
</a>
<script type="text/javascript">
$("#btnShow").click(
function () {
if ($("#scheme").css("display") == "none") {
$("#imgShow").attr("src", "../images/pack.jpg");
}
else if ($("#scheme").css("display") == "table-row") {
$("#imgShow").attr("src", "../images/add.jpg");
}
$("#scheme").fadeToggle(1000);
}
);
</script>
</td>
</tr>
<tr id="scheme" style="display: none">
<td width="15%" nowrap align="right">
解决内容:
</td>
<td colspan="3">
<input runat="server" type="hidden" id="txtSContent" />
<%--<script id="Scontainer" style="width: 600px; height: 200px" type="text/plain"></script>--%>
<textarea runat="server" id="Scontainer" style="width: 600px; height: 200px" type="text/plain"></textarea>
<script type="text/javascript">
var ue = UE.getEditor('Scontainer'); function getContent() {
var editor = UE.getEditor("Scontainer").getContent(); //得到编辑器
//document.getElementById("txtSContent").value = editor;
}
</script>
</td>
</tr>

var name = $('#txtName').val();
name = $.trim(name);
if (name.length < 1) {
alert("问题名称不为空");
} var scontent = $('#txtSContent').val();
scontent = $.trim(scontent);
if (scontent.length < 1) {
alert("解决内容不为空");
} var qcontent = $('#txtQContent').val();
qcontent = $.trim(qcontent);
if (qcontent.length < 1) {
alert("问题内容不为空");
}