请注意，此处的方法在IE中有效，在Firefox中可能无效。
模态对话框：
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function showDialog()
{
window.showModalDialog("test.htm","","","dialogWidth=60px;dialogHeight=100px;");
}
</script>
</head>
<body>
<a href="#" onClick="showDialog();">show</a>
</body>
</html>
非模态对话框：
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript">
function showDialog()
{
window.showModelessDialog("test.htm","","","dialogWidth=60px;dialogHeight=100px;");
}
</script>
</head>
<body>
<a href="#" onClick="showDialog();">show</a>
</body>
</html>