function getBrowserSize() {
	pageObj = document.getElementById('page');
	pageWidth = pageObj.offsetWidth;
	pageHeight = pageObj.offsetHeight;
	browserWidth = document.documentElement.clientWidth;
	browserHeight = document.documentElement.clientHeight;
	
	if (browserWidth < pageWidth || browserHeight < pageHeight) {
		if (pageObj.className != 'relative') {
			pageObj.className = 'relative';
		}
	}	else {
		if (pageObj.className != '') {
			pageObj.className = '';
		}
	}
}