function footerManager() {
	var visibleWidth = (document.documentElement.clientWidth!=0)?document.documentElement.clientWidth:document.body.clientWidth;
	var diff = 970-visibleWidth;
	if (diff>0) {
		document.getElementById('footer-cont').style.width = diff+visibleWidth+'px';	
	}	else if (diff<=0) {
		document.getElementById('footer-cont').style.width = visibleWidth+'px';	
	}
}