// JavaScript Document

var timer;
			var rotation = 8000;
			var content = new Array("div0", "div1", "div2", "div3", "div4", "div5", "div6", "div7", "div8", "div9");
						
			function handleWindowLoadEvent() {
				intervalThread();
				timer = window.setInterval(intervalThread, rotation);
			}
			
			function handleWindowUnloadEvent() {
				clearInterval(timer);			
			}
			
			function intervalThread() {
				var selected = Math.round((content.length - 1) * Math.random());
				var target;
				
				for (var a = 0; a < content.length; a++) {
					target = document.getElementById("div" + a);
					if (target != null) {
						if (a == selected) target.style.display = "block";
						else target.style.display = "none";
					}
				}				
			}
			
			window.onload = handleWindowLoadEvent;
			window.onunload = handleWindowUnloadEvent;