divan/DiwanRazor/wwwroot/js/r2.js

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('content');
				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';
				}
			}
		}
	}
	window.onload = function() {
		setContent();
	}
	window.onresize = function() {
		setContent();
	}