var html = '';
var pre_url = document.location.href;

html+='        <form method="post" name="topLoginForm" action="http://www.21food.cn/member/MemberLoad"   onsubmit="return checkLogin(this);">';
html+='            <input type="hidden" name="pre_url" value="'+ pre_url +'" />';
html+='            会员名：';
html+='            <input name="username" type="text" id="username" size="5" maxlength="40" class="input1 marginb5"/>';
html+='            密码：';
html+='            <input name="password" type="password" id="password" size="5" maxlength="40" class="input1 marginb5"/>';
html+='			验证码：<input name="vCode" type="text"  value="" size="6" maxlength="6">';
html+='			<a href="javascript:chkimg(\'chk_img_top_login\');" ><img alt="看不清楚数字吗？点击这里换一个。" src="http://www.21food.cn/manage/ValidateCode" name="chk_img_top_login" border="0" align="absmiddle" id="chk_img_top_login" style="border-color: rgb(51, 51, 51);" /></a>';

html+='            <input type="submit" name="button" id="button" value="登陆"  class="btn_landing marginb5"/>';
html+='			<input type="button" name="buttonreg" onclick="window.open(\'http://www.21food.cn/member/register.htm\')" id="button" value="免费注册"  class="btn_reg marginb5"/>';
html+='        </form>';
	
	
document.write(html);