function collapseFreeWheel () {
	//-----Superbanner-----//
	var top_ad_exists = document.getElementById ('_fw_container_728x90_top');
	if(top_ad_exists != null){
		var top_ad = document.getElementById ('_fw_container_728x90_top').innerHTML;
		var Ergebnis_top_ad = top_ad.search(/href=/);
	
		if (Ergebnis_top_ad != -1){
			document.getElementById ('superbanner').style.display = "block";
		}
	}
		
}