function setFooter() {
			if (document.getElementById) {
					//var contentElement = document.getElementById('main');
					var middleHeight = document.getElementById('main').offsetHeight;
					var leftHeight = document.getElementById('sectnav').offsetHeight;
					var rightHeight = document.getElementById('sidebar').offsetHeight;
					var contentHeight = 0;
					if ((leftHeight >= middleHeight) && (leftHeight > rightHeight)) {
					contentHeight = leftHeight;
					}
					else if ((rightHeight >= leftHeight) && (rightHeight > middleHeight)) {
					contentHeight = rightHeight;
					}
					else {
					contentHeight = middleHeight;
					}
					var footerHeight  = document.getElementById('footer').offsetHeight;
					if ((contentHeight + footerHeight) >= 0) {
						document.getElementById('footer').style.position = 'absolute';
						document.getElementById('footer').style.top = (contentHeight + 96) + 'px';
					}
					else {
						document.getElementById('footer').style.position = 'static';
					}
				}
			}
		window.onload = function() {
			setFooter();
			
		}
		window.onresize = function() {
			setFooter();
		}