document.write('用户名:<input type="text" id="input" name="username"/> 密码:<input type="password" id="input" name="password" /> <input type="submit" name="btnSubmit" value="登陆" id="login"/> <select onchange="redirect(this.options[this.options.selectedIndex].value)"><option value="">会员注册</option><option value="normal">普通会员</option><option value="club">房友会会员</option><option value="shop">中介网店</option><option value="agent">网络经纪人</option><option value="designer">家装设计师</option><option value="lawyer">房地产律师</option><option value="newhouseseller">网上售楼部</option></select>');