function check(){
  var s=document.vote.getElementsByTagName('INPUT');
  var j=0;
for(i=0;i < s.length;i++)
  {if(s[i].checked)j++;}
if(j< 1){
alert("请选择一个选项！");
return false;
}
}

vote=""
vote=vote+"<form method='POST' name='vote' target='_blank' action='http://www.yzfs.gov.cn/admin/votetou.asp?classid=1&style=radio' onsubmit='return check()'>"
vote=vote+"<table border='0' width='100%' cellspacing='0' cellpadding='0'>"
vote=vote+"<tr>"
vote=vote+"<td width='100%'>"
vote=vote+"<p align='center' class='1236black'><b>标题：</b>扬州食品安全网，新建设的网站：</td>"
vote=vote+"</tr>"
vote=vote+"<tr>"
vote=vote+"<td width='100%'>"
vote=vote+"<table border='0' width='95%' cellspacing='3' cellpadding='0' align=center>"

vote=vote+"<tr>"
vote=vote+"<td width='100%' align='left'><input type='radio' name='voted' value='3'>很好，可以满足我的需求 </td>"
vote=vote+"</tr>"

vote=vote+"<tr>"
vote=vote+"<td width='100%' align='left'><input type='radio' name='voted' value='4'>可以，基本满足我的需求</td>"
vote=vote+"</tr>"

vote=vote+"<tr>"
vote=vote+"<td width='100%' align='left'><input type='radio' name='voted' value='5'>一般，需要完善功能 </td>"
vote=vote+"</tr>"

vote=vote+"<tr>"
vote=vote+"<td width='100%' align='left'><input type='radio' name='voted' value='6'>很差，基本没有用处 </td>"
vote=vote+"</tr>"

vote=vote+"</table>"
vote=vote+"</td>"
vote=vote+"</tr>"
vote=vote+"<tr>"
vote=vote+"<td width='100%' align='center' valign='bottom'><input type=image src=index.files/votesubmit.gif>&nbsp;&nbsp;&nbsp;&nbsp;<img src=index.files/voteview.gif name='R1' style='cursor:hand' onclick=window.open('http://www.yzfs.gov.cn/admin/showvote.asp?classid=1','','width=650,height=300,resizable=1,scrollbars=1');></td>"
vote=vote+"</tr>"
vote=vote+"</table></form>"

document.write (vote)