<form name="form2" id="form2" action="" method="post" enctype="multipart/form-data">
<input type="hidden" class="nui-hidden" name="originalId"/>
<input type="hidden" class="nui-hidden" name="transferId"/>
<input type="hidden" class="nui-hidden" name="orgId"/>
<input type="hidden" class="nui-hidden" name="isMultiOrg"/>
<div class="fieldset-body">
    <table class="form-table" style="width:80%;" border="0" cellpadding="1" cellspacing="2">
    <tr>
        <td class="form-label" style="width:15%;" align="right">回复标题：</td>
        <td colspan="3">
            <input name="replyTitle" type="text" value='<b:write property="tLetterTransferReply/replyTitle"/>' readonly="readonly" style="border: 0;"/>
        </td>
    </tr>
    <tr>
        <td class="form-label" style="width:15%;" align="right" valign="top">回复内容：</td>
        <td colspan="3">
            <h:textarea property="tLetterTransferReply/replyContent" rows="4" cols="50" readonly="true" style="border: 0;"/>
        </td>
    </tr>
    <tr>
        <td class="form-label" style="width:15%;" align="right">回复说明：</td>
        <td colspan="3">
            <input name="replyTitle" type="text" value='<b:write property="tLetterTransferReply/replyNote"/>' readonly="readonly" style="border: 0;"/>
        </td>
    </tr>
</table>
</div>
<center>
    <div id="reply">
        <a class="nui-button"         <a class="nui-button" id="update"         <a class="nui-button" id="update"     </div>
    <div id="yes" style="display: none;">
        <a class="nui-button"          <a class="nui-button" id="update"     </div>
</center>
</form>

js实现如下：

function labelModel() {
        var form = document.getElementById("form2").getElementsByTagName("input");//获取该表单下的input元素
        for (var i = 1 ; i < form.length; i++) {
            var c = form[i];
            if (c.readOnly==false){
                c.readOnly=true;
                c.style.cssText="border:0;";
            }
        }
        document.getElementById("yes").style.display='none';
        document.getElementById("reply").style.display='inline';
    }
function inputModel() {
        document.getElementById("yes").style.display='inline';
        document.getElementById("reply").style.display='none';
        var form = document.getElementById("form2").getElementsByTagName("input");
        for (var i = 0 ; i < form.length; i++) {
            var c = form[i];
            if (c.readOnly){
                c.readOnly=false;
                c.style.cssText="border:1;";
            }
        }
    }