document.write("<div class='sign' id='memberlogin'>");
document.write("<label>用户名</label><input type='text' name='topusername' id='topusername' class='ipt_02'/>");
document.write("<label>密码</label><input type='password' name='toppwd' id='toppwd' class='ipt_02'/>");
document.write("<label>验证码</label><input name='topvcode' id='topvcode' class='ipt_01' 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_login' />");
document.write("<span class='reg'>");
document.write("<a href='http://www.cn2che.com/reg/reg.aspx' target='_blank' class='red'>免费注册</a>");
document.write("</span>");
document.write("</div>");