//Generic functions
<!--
		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 setWrapper() {
			if (document.getElementById) {
				var windowHeight = getWindowHeight();
				var wrapperElement = document.getElementById('wrapper');
				var wrapperHeight  = wrapperElement.offsetHeight;
				
				if (windowHeight-wrapperHeight>=0) {
					wrapperElement.style.top = Math.round((windowHeight-wrapperHeight)/2) + 'px';
				} else {
					wrapperElement.style.top = '0px';
				}
				
			}
			wrapperElement.style.visibility = 'visible';
		}