JavaScript DHTML/Style Layout/Page
"selector" Example
<html>
<body>
<style>
@page:first { background-color: red }
@page:left { background-color: blue }
@page:right { background-color: orange }
</style>
<script language="JavaScript">
function function1() {
var m = document.styleSheets[0].pages[1];
var n = m.selector;
alert(n);
}
</script>
<input type="button" value="Click here" onclick="function1();">
</body>
</html>