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

var browser = navigator.appName;
var http = createRequestObject();

if(browser == "Microsoft Internet Explorer"){
	var meth = "POST";
}
else{
	var meth = "GET";
}

function setUitleg(nr,srt,sel){
	if(sel == 0){
		if(srt == 1){
			document.getElementById('uitleg_'+nr).style.color = '#f2ab00';
		}
		else{
			document.getElementById('uitleg_'+nr).style.color = '#00a2df';
		}
	}
}

function setKal(jaar,maand){
	http = createRequestObject();
	http.onreadystatechange = pakKalender;
	var mom = document.getElementById('mom').value;
	http.open(meth,mom+"includes/kalender.php?jaar="+jaar+"&maand="+maand,true);
	http.setRequestHeader('Content-Type','text/plain');
	http.send(null);
}

function pakKalender(){
	if(http.readyState == 4) { 
		if(http.status  == 200) {
			document.getElementById('kalender').innerHTML = http.responseText;
		}
	}
}

function youtube(){

	if(document.getElementById('tube').value != "0"){

		var so = new SWFObject("http://www.youtube.com/v/"+document.getElementById('tube').value, "", "220", "156", "8", "#000000");
		so.addParam("wmode", "transparent");
		so.write("filmpje");
	
	}
}

function printoptie(){
	if(document.getElementById('printopties').style.visibility == "visible"){
		document.getElementById('printopties').style.visibility = "hidden";
	}
	else{
		document.getElementById('printopties').style.visibility = "visible";
	}
}

function printen(srt){
	var mom = document.getElementById('mom').value;
	window.open(mom+"printen/index.php?srt="+srt,"","scrollbars=1,menubar=0,resizable=0,width=800,height=450,left=350,top=250");	
	document.getElementById('printopties').style.visibility = "hidden";
}

function preken(){

	var mom = document.getElementById('mom').value;
	var so = new SWFObject(mom+"audio/preek.swf", "", "120", "30", "8", "#FFFFFF");
		
	for(var i = 1; i <= 4; i++){
		so.addParam("wmode", "transparent");
		so.write("preek_"+i);	
	}
}