myAjax = null;
function showImg() {
	var url = "http://www.galerielehner.at/mod/img_select_html.php";
	//var
	myAjax = new Ajax.PeriodicalUpdater('firstpageImgBox', url, {
   	//insertion: Insertion.Top,
   	frequency: 5,
    decay: 1,
   	onSuccess: showResponse,
   	onFailure: showError
	});	
	var myGlobalHandlers = {
		onCreate: function(){
			Element.show('ajaxWorking');
		},

		onComplete: function() {
			if(Ajax.activeRequestCount == 0){
				Element.hide('ajaxWorking');
			}
		}
	};
	Ajax.Responders.register(myGlobalHandlers);
}
function showResponse(transport) {
	var response = transport.responseXML.getElementsByTagName('firstpageImgBox') || "no response text";
}
function showError() {
	alert('Error calling Img function!');
}
function stopIt() {
	myAjax.stop();
}
/* popup functions */
function imgPopup(name, width, height) {
	//alert(what);
	var w = width+50;
	var h = height+65;
	//alert(w);
	//alert(h);
	window.open('mod/imgPopup.php?img='+ name +'&w='+ width +'&h='+ height +'','bild','width='+ w +' ,height='+ h +',toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,copyhistory=no,resizable=no');
}