// JavaScript Document
function f_scrollTop() {
	return f_filterResults (
		window.pageYOffset ? window.pageYOffset : 0,
		document.documentElement ? document.documentElement.scrollTop : 0,
		document.body ? document.body.scrollTop : 0
	);
}
function f_filterResults(n_win, n_docel, n_body) {
	var n_result = n_win ? n_win : 0;
	if (n_docel && (!n_result || (n_result > n_docel)))
		n_result = n_docel;
	return n_body && (!n_result || (n_result > n_body)) ? n_body : n_result;
}
function setScroll(elementId){
	var scrollHeight = document.getElementById(elementId);
	number=f_scrollTop();
    scrollHeight.value=number;
	}

function moveBar(elId, berekenId, divhoogte) {
	var bereken = document.getElementById(berekenId);
	var hoogte = document.getElementById(divhoogte);
	if(jQuery("#"+elId).is(":hidden")){
		jQuery("#"+elId).slideDown();
		bereken.className="movebaropen";
		hoogte.value="open";
	} else {
		jQuery("#"+elId).slideUp();
		bereken.className="movebardicht";
		hoogte.value="dicht";
	}
}