操作模态与非模态对话框

<INPUT TYPE="button" VALUE="创建模态对话框" onclick="fnOpenModal()">
<br><br>
<INPUT TYPE="button" VALUE="创建非模态对话框" onclick="fnOpenModeless()">
<script>
function fnOpenModal(){
window.showModalDialog("../3/81.htm")
}
function fnOpenModeless(){
window.showModelessDialog("../3/81.htm")
}
</script>