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;
}//getWindowHeight

function setContent() {
	//browser detection for IE5mac... for some reason this script just totally freaked out the layout.
	if(navigator.userAgent.indexOf('MSIE 5') != -1  &&  navigator.userAgent.indexOf('Mac') != -1) return;	
	
	var windowHeight = getWindowHeight();
	if (windowHeight > 0) {
		var contentElement = document.getElementById('container');

		var contentHeight = contentElement.offsetHeight;
		if (windowHeight - contentHeight > 0) {
			contentElement.style.position = 'relative';
			contentElement.style.top = ((windowHeight / 2) - (contentHeight / 2)) + 'px';
		}
		else {
			contentElement.style.position = 'static';
		}
	}
}//setContnet

setContent();