说document.body对象为空,或不是对象
<script language="JScript">
document.body.topMargin = 0;
document.body.bottomMargin = 0;
document.body.leftMargin = 0;document.body.rightMargin = 0;
document.body.style='SCROLLBAR-FACE-COLOR: #065f32;SCROLLBAR-HIGHLIGHT-COLOR: #467db5';
</script>