var javastr;
var b;
javastr='';

function CheckLogin(obj)
{
    if(obj.UserName.value =='')
    {
        alert("用户名不能为空！");
        obj.UserName.focus();
        return false;
    }
    
    if(obj.UserPass.value =='')
    {
        alert("密码不能为空！");
        obj.UserPass.focus();
        return false;
    }    
    return true;   
}


javastr+='<table width="85%" border="0" cellspacing="0" cellpadding="0">';
javastr+='<form action="http://hnmy.cnad.com/CheckUserLogin.aspx" method="post" name="form1" onsubmit="return CheckLogin(this)">';
javastr+='<input type="hidden" name="dn" value="http://hnhy.cnad.com">';
javastr+='<tr>';
javastr+='<td align="left" class="zhui">用户名：</td>';
javastr+='<td align="left"><input name="UserName" type="text" class="bbddhui" /></td>';
javastr+='<td rowspan="2" align="right"><input type="image" src="http://hn.cnad.com/hncnad/yellow/images/hn_cnad_yellow_011.jpg" width="50" height="49"></td>';
javastr+='</tr>';
javastr+='<tr align="left">';
javastr+='<td class="zhui">密&nbsp;&nbsp;码：</td>';
javastr+='<td><input name="UserPass" type="password" class="bbddhui" /></td>';
javastr+='</tr>';
javastr+='<tr>';
javastr+='<td height="45" colspan="3" align="center"><table width="63%" border="0" cellspacing="0" cellpadding="0">';
javastr+='<tr>';
javastr+='<td width="52%" align="left"><a href="#" class="zhuixia">忘记密码</a></td>';
javastr+='<td width="48%" align="left"><a href="http://hnmy.cnad.com/Register.aspx" class="zhuixia">新用户注册</a></td>';
javastr+='</tr>';
javastr+='</table></td>';
javastr+='</tr>';
javastr+='</form>';
javastr+='</table>'; 

document.all.login.innerHTML=javastr;