function getClientSize()
{
    /* http://www.howtocreate.co.uk/tutorials/javascript/browserwindow */
    return Array((document.documentElement && document.documentElement.clientWidth) || window.innerWidth || self.innerWidth || document.body.clientWidth,(document.documentElement && document.documentElement.clientHeight) || window.innerHeight || self.innerHeight || document.body.clientHeight);
}

function setFooter() {
	var client = getClientSize();
	var top = (client[1] - 600) / 2;

	if (document.getElementById) {
		var footerElement = document.getElementById('fixed');
		if (footerElement) {
			footerElement.style.position = 'absolute';
			footerElement.style.top = (document.documentElement.scrollTop +	top) + 'px';
			footerElement.style.left = (((screen.width - 950) / 2) + 780) + 'px';			
		}
	}
}