function getXmlHttpRequest(){
	if (window.XMLHttpRequest){
		return new XMLHttpRequest();
	} else if (window.ActiveXObject){
		return new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		return null;
	}		
}

function retreiveNextShow(elm){
	var request = getXmlHttpRequest();

	if (request == null){
		elm.innerHTML = "Se venligst siden \"Booking\".";
		return;
	}

	request.onreadystatechange = function(){
		if (request.readyState == 4){
			elm.innerHTML = request.responseText;
		}
	}

	request.open("GET", "/google_calendar_api.aspx", true);
	request.send(null);
}

window.onload = function(){
	try{
		var elm = document.getElementById("next_show");

		if (elm != null){
			retreiveNextShow(elm);
		}
	} catch (e){

	}
}