function setPage(iNumber) {

	var oElementPage = document.getElementById('page-' + (iNumber + 1));

	if(!oElementPage) {
		return;
	}

	if(setPage.oElementSelected) {
		Common.Class.add(setPage.oElementSelected, 'invisible');
	}

	Common.Class.remove(oElementPage, 'invisible');

	setPage.oElementSelected = oElementPage;

}

setPage.oElementSelected = null;