<html>
<head>
<title>你好啊</title>
<SCRIPT language="vbscript">
<!--
pruvate opwindow
sub bl()
if form1.num.value>3333 form.num.valeu<3333 and formq.num.value<>"" then
set opwindow=<"http://127.0.0.1" & form1.num.value>
else
msgbox "出错!",48,"错误信息"
end if
end sub
</script>
</head>
<body>
<form name="form1" target="_blank">
<input type="text" name="num">
<input type="submit" name="send" value="提交" onClick="bl()">
</form>
</body>
</html>