菜鸟提问

<li><span class="lable">
<lable>
  昵称：</label></span>
<input type="text" id="txtUserName" name="username" runat="server" class="input-text"
onfocus="this.className='input_on';this.onmouseout=''" onblur="this.className='input_off';this.onmouseout=function(){this.className='input-text'};"
onmousemove="this.className='input_move'" onmouseout="this.className='input-text'"><span
id="spanUserName"><dfn>填入真实的姓名方便别人找到你.如:吴依蔓</dfn></span></li>
是神马意思，给我详细说一下，菜鸟初学几天，资本不多，望指教！！！3Q

补充：.NET技术 ,  C#