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();
		var bodyHeight    = document.body.offsetHeight;
		var headerElement = document.getElementById('Header');
		var footerElement = document.getElementById('Footer');
		var middleElement = document.getElementById('Content');
		var footerHeight  = footerElement.offsetHeight;
		var headerHeight  = headerElement.offsetHeight;
		if (bodyHeight <= windowHeight) {
            middleElement.style.height = (windowHeight - footerHeight - headerHeight - 60) + "px"
            //alert("bodyHeight " + windowHeight + ", headerHeight " + headerHeight + ", footerHeight " + footerHeight + " = " + middleElement.style.height)
		}
		else
		{
		}
	}
}