function positionFooter() {
	var footerBottom = getDivPosition(document.getElementById("footer")) + 95;
	var viewportHeight = getWindowHeight();

	if (footerBottom < viewportHeight) {
		var growBy = viewportHeight - footerBottom;
		document.getElementById("footer").style.marginTop = growBy + "px";
	} 
}

function getWindowHeight() {
	var viewportheight;
 
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else if (typeof document.documentElement != 'undefined' && typeof document.documentElement.clientWidth != 'undefined' && document.documentElement.clientWidth != 0) {
		viewportheight = document.documentElement.clientHeight
	} else {
		viewportheight = document.getElementsByTagName('body')[0].clientHeight
	}
	return viewportheight;
}

function getDivPosition(obj){
    var topValue= 0;
    while(obj){
	topValue+= obj.offsetTop;
	obj= obj.offsetParent;
    }

    return topValue;
}


/*
 * onDOMReady
 * Copyright (c) 2009 Ryan Morr (ryanmorr.com)
 * Licensed under the MIT license.
 */

function onDOMReady(fn,ctx){var ready,timer;var onStateChange=function(e){if(e&&e.type=="DOMContentLoaded"){fireDOMReady()}else if(e&&e.type=="load"){fireDOMReady()}else if(document.readyState){if((/loaded|complete/).test(document.readyState)){fireDOMReady()}else if(!!document.documentElement.doScroll){try{ready||document.documentElement.doScroll('left')}catch(e){return}fireDOMReady()}}};var fireDOMReady=function(){if(!ready){ready=true;fn.call(ctx||window);if(document.removeEventListener)document.removeEventListener("DOMContentLoaded",onStateChange,false);document.onreadystatechange=null;window.onload=null;clearInterval(timer);timer=null}};if(document.addEventListener)document.addEventListener("DOMContentLoaded",onStateChange,false);document.onreadystatechange=onStateChange;timer=setInterval(onStateChange,5);window.onload=onStateChange};