var isIE = (navigator.appName == "Microsoft Internet Explorer") ? true : false;
var tempPage = 0;
var tempScreen = 0;
function setTopMargin(){	
	var tempId = document.getElementById('bottomSpacer');
	tempPage = document.getElementById('wrapper').clientHeight;
	tempId.height=0;
	tempScreen = (window.innerHeight) ? window.innerHeight : document.documentElement.clientHeight;
	var newSpacer = (tempPage > tempScreen) ? 1 : ((tempScreen - tempPage));	
	newSpacer = (newSpacer > tempScreen) ? ((tempScreen-newSpacer) - newSpacer) : newSpacer;
	tempId.height = newSpacer;
}

window.onresize = function(){
	compareScreen = (window.innerHeight) ? window.innerHeight : document.documentElement.clientHeight;
	if(compareScreen != tempScreen)
		setTopMargin();
}