document.write('<form id="ECS_LOGINFORM" method="post" action="javascript:validate()"><b>网店管理入口：</b>用户名 <input name="username" type="text" class="u_pw" id="username" maxlength="20" /> 密码：<input name="password" type="password" class="u_pw" id="password"  maxlength="20" /> <input type="image" src="http://www.maifou.net/images/login.gif" class="submit" /></form>');