function createRequestObject(){
	var request_o; 
	var browser = navigator.appName; 
	if(browser == "Microsoft Internet Explorer"){
		request_o = new ActiveXObject("Microsoft.XMLHTTP");
	}else{
		request_o = new XMLHttpRequest();
	}
	return request_o;
}


var http = createRequestObject();

/*foto's ophalen*/
function geef_foto(foto){	
		var rand = Math.random();
		http.open('get', 'inc/fotos.php?foto=' + foto + '&rand=' + rand);

		http.onreadystatechange = laadFoto; 
		http.send(null);
		return
}

function laadFoto(){
	if(http.readyState == 1){
		document.getElementById("img_groot").innerHTML =("<div style='height:120px; padding-top:90px;'><img src='./opmaak/img/wait.gif' /><br /><center>Afbeelding wordt geladen</center</div>");
	}
	if(http.readyState == 4){ 
		var response = http.responseText;
		document.getElementById("img_groot").innerHTML = response;
	}
}

/*kalender halen*/
function geef_kalender(lang){
		if(document.getElementById("select_kalender")){
			kalender_id = document.getElementById("select_kalender").value;
		}else{
			kalender_id = "";
		}
		var rand = Math.random();
		http.open('get', 'kalender.php?kalender_id=' + kalender_id + '&rand=' + rand + '&lang=' + lang);

		http.onreadystatechange = laadKalender; 
		http.send(null);
		return
}

function laadKalender(){
	if(http.readyState == 4){ 
		var response = http.responseText;
		document.getElementById("kalender_container").innerHTML = response;
	}
}