function reloadAdverts(strOptZone)
{
	//Generate new random ord
	var strRandomOrd = Math.random().toString();
	strRandomOrd = strRandomOrd.substring(2, strRandomOrd.length);

	//Select all adverts on the page
	$("iframe[id^='mx-advert-']").each(function(i)
		{
			var strNewAdvertUrl = this.src;
			
			//Can add in addational zone, to redefine adds
			if(typeof strOptZone !== 'undefined')
				strNewAdvertUrl = strNewAddUrl.replace(/\/(\w*);/, '/' + strOptZone + ';');
			
			//replace ord so adverts are not cached
			this.src = strNewAdvertUrl.replace(/ord=(\w*)/, 'ord=' + strRandomOrd);
		}
	);
}