/*
 * A List Apart dynamical footer script | http://alistapart.com/articles/footers
 */ 
 
function getWindowHeight() {
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;
	}
	else {
		if (document.documentElement && document.documentElement.clientHeight) {
			windowHeight = document.documentElement.clientHeight;
		}
	else {
		if (document.body && document.body.clientHeight) {
			windowHeight = document.body.clientHeight;
		}
	}
}
return windowHeight;
} 
 

function setFooter() {
	if (document.getElementById) {
		var windowHeight = getWindowHeight();
		if (windowHeight > 0) {
			var contentHeight = document.getElementById('wrapper').offsetHeight;
			var footerElement = document.getElementById('footer');
			var footerHeight = footerElement.offsetHeight;
			if (windowHeight - (contentHeight+footerHeight) >= 0) {
				footerElement.style.position = 'relative';
				footerElement.style.top = (windowHeight - (contentHeight+footerHeight))+'px';
			}
			else {
				footerElement.style.position = 'static';
			};
		};
	};
};
	
window.onload = function() {
  setFooter();
};

window.onresize = function() {
  setFooter();
};