var currentTopAdId = getCookie("AdUpdate");
function reloadTopAd () {
	var newTopAdId = getCookie("AdUpdate");
	if (currentTopAdId != newTopAdId) {
		if (document.getElementById("topAdIFrame")) {
			var topIFrame = document.getElementById("topAdIFrame");
			topIFrame.src = topIFrame.src;
		}
		if (document.getElementById("sideAdIFrame")) {
			var sideIFrame = document.getElementById("sideAdIFrame");
			sideIFrame.src = sideIFrame.src;
		}
		currentTopAdId = newTopAdId;
	}
}

//http://www.w3schools.com/js/js_cookies.asp
function getCookie (c_name) {
	if (document.cookie.length > 0) {
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start != -1) { 
			c_start = c_start + c_name.length + 1; 
			c_end = document.cookie.indexOf(";", c_start);
			if (c_end == -1)
				c_end = document.cookie.length;
			return unescape(document.cookie.substring(c_start, c_end));
		} 
	}
	return "";
}
function setCookie (c_name, value, expired) {
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expired);
	//document.cookie = c_name + "=" + escape(value) + ((expired==null) ? "" : ";expires=" + exdate.toGMTString());
	document.cookie = c_name + "=" + value + ((expired==null) ? "" : ";expires=" + exdate.toGMTString());
}