function newwins()
{
if (form1.checkbox.checked==true)
{ window.open("new.aspx","","resizable=yes,scrollbars=yes,status=no,toolbar=no,menubar=no,location=no") ;}
else
{ window.open("1.aspx","mainFrame1","resizable=yes,scrollbars=yes,status=no,toolbar=no,menubar=no,location=no") ;}
}
</script><form name="form1" method="post" action="" onsubmit="newwins()">
<input type="checkbox" name="checkbox" value="checkbox">打开新窗口
<input type="submit" name="Submit" value="提交" >
</form>
{
if (form1.checkbox.checked==true)
{ window.open("new.aspx","","resizable=yes,scrollbars=yes,status=no,toolbar=no,menubar=no,location=no") ;}
else
{ window.open("1.aspx","mainFrame1","resizable=yes,scrollbars=yes,status=no,toolbar=no,menubar=no,location=no") ;}
}
</script><form name="form1" method="post" action="" onsubmit="newwins()">
<input type="checkbox" name="checkbox" value="checkbox">打开新窗口
<input type="submit" name="Submit" value="提交" >
</form>
function newwins()
{
if (form1.checkbox.checked==true)
{ document.form1.target = "_blank";}
else
{ document.form1.target = "mainFrame1";}
}
</script>
<body>
<form name="form1" method="post" action="" target="mainFrame1">
<input type="checkbox" name="checkbox" value="checkbox" onclick="newwins()">打开新窗口
<input type="submit" name="Submit" value="提交" >
</form>
<iframe name="mainFrame1"></iframe>