document.write("<div id='memberlogin' class='login' style='width:440px;text-align:left;'>");
document.write("<label>用户名</label><input type='text' name='topusername' id='topusername' class='ipt'/>");
document.write(" <label>密码</label><input type='password' name='toppwd' id='toppwd' class='ipt'/>");
document.write(" <label>验证码</label><input name='topvcode' id='topvcode' class='ipt' style='width:35px;' maxlength='4' type='text'/>");
document.write("<div style='position:absolute;top:0px;left:0px;display:none;' id='div_topvcode'>");
document.write("<img onclick=\"this.src='/common/ValidateCode.aspx?s='+Math.random()\" title='看不清，换一张' style='cursor:pointer;'/></div>");
document.write(" <input type='button' name='top_btnlogin' id='top_btnlogin' value='' class='btn' />");
document.write("<span><a href='http://www.cn2che.com/reg/reg.aspx' >免费注册</a> 或 <a href='http://www.cn2che.com/reg/login.aspx'>登录</a></span></div>");