跳转页面的同时并打开另一个新窗口
<script>
    window.open("b.asp")
</script>
<meta  http-equiv="refresh" content="3;URL='bddz.aspx?zyzlb=0';target=_blank" />
<script>
    window.open("b.asp")
</script>
<meta  http-equiv="refresh" content="3;URL='bddz.aspx?zyzlb=0';target=_blank" />
