//parameter
if (!timestep) var timestep = 6000;

//ID for setTimeout
var timeid;
var teaserid;
var nullElem = 'storyteaserDiff'
var teaser = new Array();

//save id in array
function qbTeaserNew(fp_sElemId){
teaser[(teaser.length)] = fp_sElemId;
}
//hide all and show next or first
function qbTeaserNext(negation){
	if (!document.getElementById) {
		return;
	}
	
	if (!teaserid || teaserid >= (teaser.length)) {
		teaserid = 0;
	}
	
	fp_sElemId = teaser[teaserid++];
	var newHTML = document.getElementById(fp_sElemId).innerHTML;
	/*
	var browser = navigator.appVersion;
	var is_IE7 = browser.search(/MSIE 7.+/);
	
	if(is_IE7 == -1){
	
		if (document.getElementById(nullElem).filters) {
			document.getElementById(nullElem).filters.blendTrans.Apply();
		}
		
		document.getElementById(nullElem).innerHTML = newHTML;
		
		if (document.getElementById(nullElem).filters) {
			document.getElementById(nullElem).filters.blendTrans.Play();
		}		
	} else {
	*/	
		document.getElementById(nullElem).innerHTML = newHTML;
	/*
	}
	*/
	clearTimeout(timeid);
	timeid = setTimeout('qbTeaserNext()',timestep);
}