//insert ads into layer - this is a customised version of the OA_show function

function insertAdvert(adcode){
	if ((typeof(OA_output[adcode]) == 'undefined') | ($(adcode) == undefined)){
		return;
	} else {
		var advert = $(adcode);
		advert.update(OA_output[adcode]);
		//alert('here');
	}
}