var teaserUrl = "http://system.legermuseum.nl/get"  + '?site=' + siteAlias + '&page_alias=teaser';
var holderDiv = 'teaserDiv';

/*
new Ajax.PeriodicalUpdater(holderDiv, conceptUrl, {
	method: 'get', frequency: randomizerTimer, decay: 1 });
*/

function actionReload() {
	keepAlive();
	refresh();
}

var keepAliveTimer = -1;
function keepAlive() {
	if (keepAliveTimer!=-1) clearTimeout(keepAliveTimer);
	keepAliveTimer = window.setTimeout("actionReload()", randomizerTimer*1000);
}

function refresh() {			
	new Ajax.Updater(holderDiv, teaserUrl + "&code=" + Math.random());
}

keepAlive();