function init_weekkeuze() {
	if(typeof dom.handles['weekholder'] != 'undefined'){
		contentH = parseInt(document.getElementById("weekcontent").offsetHeight);
		scollableH = contentH - 162;
		contentClipH = parseInt(document.getElementById("weekholder").offsetHeight);
		soffset = _get_offset(dom.handles['weekref']);
		dom.handles['weekholder'].style.top = soffset['y'];
		dom.handles['weekholder'].style.left = soffset['x'];
		dom.handles['weekcontent'].style.top = 0;
		dom.handles['weekholder'].style.visibility = 'visible';
		if (contentH > contentClipH && typeof dom.handles['scrollArrows'] != 'undefined') {
			dom.handles['scrollArrows'].style.top = soffset['y'];
			dom.handles['scrollArrows'].style.left = soffset['x']+202;
			dom.handles['scrollArrows'].style.visibility = 'visible';
		}
	}
}

weekinterval = null ;

function onWeekUp() {
	window.clearInterval(weekinterval);
	if(parseInt(dom.handles['weekcontent'].style.top) < 0) {
		dom.handles['weekcontent'].style.top = parseInt(dom.handles['weekcontent'].style.top) + 14;
	}
	weekinterval = window.setInterval("MoveWeekUp()", 100);
}
function onWeekDown() {
	window.clearInterval(weekinterval);
	if(parseInt(dom.handles['weekcontent'].style.top) > -scollableH) {
		dom.handles['weekcontent'].style.top = parseInt(dom.handles['weekcontent'].style.top) - 14;
	}
	weekinterval = window.setInterval("MoveWeekDown()", 100); 
}

function onMuWeek() {
	window.clearInterval(weekinterval);
}

function MoveWeekDown() {
	if(parseInt(dom.handles['weekcontent'].style.top) > -scollableH) {
		dom.handles['weekcontent'].style.top = parseInt(dom.handles['weekcontent'].style.top) - 14;
	}
}
function MoveWeekUp() {
	if(parseInt(dom.handles['weekcontent'].style.top) < 0) {
		dom.handles['weekcontent'].style.top = parseInt(dom.handles['weekcontent'].style.top) + 14;
	}
}

function onWeekFocus(id) {
	dom.handles[id].src = 'pix/dezeweekl.gif';
}

function onWeekUnFocus(id) {
	dom.handles[id].src = 'pix/x.gif';
}