function resize() {
	if (document.getElementById('page').clientHeight != 'undefined') {
		var docHeight = document.getElementById('page').clientHeight;
	} else {
		var docHeight = document.getElementById('page').offSetHeight;
	}

	if (navigator.appName=="Netscape") {
		var winH = window.innerHeight;
	}
	if (navigator.appName.indexOf("Microsoft")!=-1) {
		var winH = document.documentElement.clientHeight;
	}
	else { //voor o.a. chrome
		var winH = window.innerHeight;
	}
	if (docHeight<winH) {
		document.getElementById('footer').style.position = 'absolute';
		document.getElementById('footer').style.top = (winH-30) + 'px';
		document.getElementById('footer').style.left = '0px';
		document.getElementById('footer').style.zIndex = '5';
	} else {
		document.getElementById('footer').style.float = 'right';
	}
}