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.yzbx.gov.cn/admin/vote/votetou.asp?classid=8&style=checkbox' onsubmit='return check()'>"
vote=vote+"<table border='0' width='95%' cellspacing='2' cellpadding='0' class=black9font>"
vote=vote+"<tr>"
vote=vote+"<td width='100%' height='35'>"
vote=vote+"<p align='center'><b>本网站中您最满意的栏目是哪个？<b></td>"
vote=vote+"</tr>"
vote=vote+"<tr>"
vote=vote+"<td width='100%'>"
vote=vote+"<div align='left'>"
vote=vote+"<table border='0' width='95%' cellspacing='4' cellpadding='0' class=black9font>"

vote=vote+"<tr>"
vote=vote+"<td width='100%' align='left'><input type='checkbox' name='voted' value='45'>新闻中心</td>"
vote=vote+"</tr>"

vote=vote+"<tr>"
vote=vote+"<td width='100%' align='left'><input type='checkbox' name='voted' value='46'>保险指南</td>"
vote=vote+"</tr>"

vote=vote+"<tr>"
vote=vote+"<td width='100%' align='left'><input type='checkbox' name='voted' value='47'>行业数据</td>"
vote=vote+"</tr>"

vote=vote+"<tr>"
vote=vote+"<td width='100%' align='left'><input type='checkbox' name='voted' value='48'>行业动态</td>"
vote=vote+"</tr>"

vote=vote+"<tr>"
vote=vote+"<td width='100%' align='left'><input type='checkbox' name='voted' value='49'>保险信息</td>"
vote=vote+"</tr>"

vote=vote+"</table>"
vote=vote+"</div>"
vote=vote+"</td>"
vote=vote+"</tr>"
vote=vote+"<tr>"
vote=vote+"<td width='100%' valign='bottom' align='center' height='30'><input type=image src=images/vote1.gif>&nbsp;&nbsp;<img src=images/vote2.gif name='R1' style='cursor:hand' onclick=window.open('http://www.yzbx.gov.cn/admin/vote/showvote.asp?classid=8','','width=650,height=300,resizable=1,scrollbars=1');></td>"
vote=vote+"</tr>"
vote=vote+"</table></form>"

document.write (vote)