document.write("<div id='user'>");document.write("  <form name='leftLogin' action='login.aspx' method='post' onsubmit='return checkLogin(this);'>");document.write("    <h1 class='titlebg'>会员登录</h1>");document.write("    <P><LABEL for=username>用户：</LABEL><INPUT name=username class='user_input' id=username maxLength=16></P>");document.write("    <P><LABEL for=password>密码：</LABEL><INPUT name=userpass type=password class='user_input' id=userpass></P>");document.write("    <p style='margin-left:50px'><input type='image' src='images/icon_enter.jpg' width='60' height='20' border='0' /> <a href='reg.aspx'><img src='images/icon_reg.jpg' width='60' height='20' border='0' /></a> </p>");document.write("    <P style='text-align:center'><a href='getpass.aspx'><font color='#ECCCCC'>忘记密码了？</font></a></P>");document.write("  </form>");document.write("</div>");function checkLogin(form){if (form.username.value == '') {alert('请输入您的名称!');form.username.focus(); return false;}if (form.userpass.value == '') {alert('请输入您的密码!');form.userpass.focus(); return false;}return true;}