var scrollmargin = 0;
var scrollspeed = 0;
var scrolling = false;
var maxwidth = 0;
var prvDiv = "";
var tmID;

function scrollbalk(){
	var balk = document.getElementById("scrollcontent");
	scrollmargin += scrollspeed;
	if(scrollmargin > 0) scrollmargin = 0;
	if (maxwidth > 294) {
		if(scrollmargin < ((maxwidth - 294) * -1)) scrollmargin = ((maxwidth - 294) * -1);
		balk.style.marginLeft = scrollmargin + 'px';
	}
}

function scrollImg(){
	var balk = document.getElementById("scrollcontent");
	scrollmargin += scrollspeed;
	if(scrollmargin > 0) scrollmargin = 0;
	if (maxwidth > 294) {
		if(scrollmargin < ((maxwidth - 294) * -1)) scrollmargin = ((maxwidth - 294) * -1);
		balk.style.marginLeft = scrollmargin + 'px';
	}
}

function scrollButtons(StartLocatie) {
    var wrapper = document.getElementById("wrapper");
	var locatie = StartLocatie;
	var centerX = (140 - locatie);
	var lr = centerX / Math.abs(centerX);
	centerX = Math.abs(centerX) - 60;
	if(centerX < 0) centerX = 0;
	centerX = centerX * lr;
	
	maxwidth = document.getElementById("contentwidth").clientWidth;
	scrollspeed = Math.floor(centerX / 50);

	if(!scrolling){
		tmID = setInterval(scrollbalk, 20);
	}
	scrolling = true;
}

function scrollLinks(){
    scrollButtons(-30);
}

function scrollRechts(){
    scrollButtons(280);
}

function stopscrolling(){
	try{
		clearInterval(tmID)
	}catch(e){
	}
	scrolling = false;
}

var scrollmargin2 = 0;
var scrollspeed2 = 0;
var scrolling2 = false;
var maxwidth2 = 0;
var prvDiv2 = "";
var tmID3;

function scrollbalk2(){
	var balk = document.getElementById("scrollcontent2");
	scrollmargin2 += scrollspeed2;
	if(scrollmargin2 > 0) scrollmargin2 = 0;
	if (maxwidth2 > 179) {
		if(scrollmargin2 < ((maxwidth2 - 130) * -1)) scrollmargin2 = ((maxwidth2 - 130) * -1);
		balk.style.marginTop = scrollmargin2 + 'px';
	}
}

function scrollButtons2(StartLocatie) {
    var wrapper = document.getElementById("wrapper");
	var locatie = StartLocatie;
	var centerX = (140 - locatie);
	var lr = centerX / Math.abs(centerX);
	centerX = Math.abs(centerX) - 60;
	if(centerX < 0) centerX = 0;
	centerX = centerX * lr;
	
	maxwidth2 = document.getElementById("contentwidth2").clientHeight;
	scrollspeed2 = Math.floor(centerX / 50);

	if(!scrolling2){
		tmID3 = setInterval(scrollbalk2, 20);
	}
	scrolling2 = true;
}
function scrollBoven(){
    scrollButtons2(-30);
}

function scrollBeneden(){
    scrollButtons2(280);
}

function stopscrolling2(){
	try{
		clearInterval(tmID3)
	}catch(e){
	}
	scrolling2 = false;
}