var isMac = navigator.userAgent.toLowerCase().indexOf("mac") > -1;
	var isIE = navigator.userAgent.indexOf("MSIE") > -1;
	
	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 setContent() {
		if (document.getElementById) {
			var windowHeight = getWindowHeight();
			if (windowHeight > 0) {
				var contentElement = document.getElementById('mainWrap');
				var paddingElement = document.getElementById('mainPadding');
				
				var contentHeight = 589; //contentElement.offsetHeight;
				
				if (windowHeight - contentHeight > 0) {
					contentElement.style.position = 'relative';
					var paddingHeight = (windowHeight -  contentHeight) / 2;
					//alert('set new height to ' + paddingHeight);
					paddingElement.style.height = paddingHeight + 'px';
					//contentElement.style.top = ((windowHeight / 2) - (contentHeight / 2)) + 'px';
				}
				else {
					contentElement.style.position = 'static';
				}
			}
		}
	}

	if (!(isMac && isIE)) {
		window.onload = function() {
		//setContent();
	}

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