function foldMenu(id) {
	
	hetElement = document.getElementById(id);	
	var elements = getElementsByClassName('foldMenuOpen');	
	if(hetElement.className == 'foldMenuOpen') {
		hetElement.className = 'foldMenuClosed';		
		for(i=0;i<elements.length;i++) {
			elements[i].className = 'foldMenuClosed';
		}
	} else {
		hetElement.className = 'foldMenuOpen';		
		for(i=0;i<elements.length;i++) {
			elements[i].className = 'foldMenuClosed';
		}
	}	
}

function foldMenuVragen(id) {	
	hetElement = document.getElementById(id);	
	var elements = getElementsByClassName('vraagOpen');	
	if(hetElement.className == 'vraagOpen') {
		hetElement.className = 'vraagClosed';		
		for(i=0;i<elements.length;i++) {
			elements[i].className = 'vraagClosed';
		}
	} else {
		hetElement.className = 'vraagOpen';		
		for(i=0;i<elements.length;i++) {
			elements[i].className = 'vraagClosed';
		}
	}	
}

function ShowHide(div){        
	var thisLevel = document.getElementById(div);        
	if (thisLevel.style.display == "none")        
	{                
		thisLevel.style.display = "block"; 
	}        
	else        
	{                
		var thisLevel = document.getElementById(div);                
		thisLevel.style.display = "none";  
	}
}

function showTab1(which) {
	
	if(which == 'tabblock_tab1') {
		var divToShow = document.getElementById('tabblock_tab1');
		var divToHide1 = document.getElementById('tabblock_tab2');
		var divToHide2 = document.getElementById('tabblock_tab3');
		var divToHide3 = document.getElementById('tabblock_tab4');
	} 
	
	if(which == 'tabblock_tab2') {
		var divToShow = document.getElementById('tabblock_tab2');
		var divToHide1 = document.getElementById('tabblock_tab1');
		var divToHide2 = document.getElementById('tabblock_tab3');
		var divToHide3 = document.getElementById('tabblock_tab4');
	}
	
	if(which == 'tabblock_tab3') {
		var divToShow = document.getElementById('tabblock_tab3');
		var divToHide1 = document.getElementById('tabblock_tab1');
		var divToHide2 = document.getElementById('tabblock_tab2');
		var divToHide3 = document.getElementById('tabblock_tab4');
	}
	
	if(which == 'tabblock_tab4') {
		var divToShow = document.getElementById('tabblock_tab4');
		var divToHide1 = document.getElementById('tabblock_tab1');
		var divToHide2 = document.getElementById('tabblock_tab2');
		var divToHide3 = document.getElementById('tabblock_tab3');
	}
	
	divToShow.className = 'showTab1';
	divToHide1.className = 'hiddenTab1';
	divToHide2.className = 'hiddenTab1';
	divToHide3.className = 'hiddenTab1';
	
}

function showTab2(which) {
	
	if(which == 'tabblock2_tab1') {
		var divToShow = document.getElementById('tabblock2_tab1');
		var divToHide1 = document.getElementById('tabblock2_tab2');
		var divToHide2 = document.getElementById('tabblock2_tab3');
	} 
	
	if(which == 'tabblock2_tab2') {
		var divToShow = document.getElementById('tabblock2_tab2');
		var divToHide1 = document.getElementById('tabblock2_tab1');
		var divToHide2 = document.getElementById('tabblock2_tab3');
	}
	
	if(which == 'tabblock2_tab3') {
		var divToShow = document.getElementById('tabblock2_tab3');
		var divToHide1 = document.getElementById('tabblock2_tab1');
		var divToHide2 = document.getElementById('tabblock2_tab2');
	}
	
	divToShow.className = 'showTab2';
	divToHide1.className = 'hiddenTab2';
	divToHide2.className = 'hiddenTab2';
	
}

function showTab3(which) {
	
	if(which == 'tabblock3_tab1') {
		var divToShow = document.getElementById('tabblock3_tab1');
		var divToHide1 = document.getElementById('tabblock3_tab2');
	} 	
	if(which == 'tabblock3_tab2') {
		var divToShow = document.getElementById('tabblock3_tab2');
		var divToHide1 = document.getElementById('tabblock3_tab1');
	} 
	
	divToShow.className = 'showTab3';
	divToHide1.className = 'hiddenTab3';
	
}


function showTab4(which) {
	
	if(which == 'tabblock4_tab1') {
		var divToShow = document.getElementById('tabblock4_tab1');
		var divToHide1 = document.getElementById('tabblock4_tab2');
		var divToHide2 = document.getElementById('tabblock4_tab3');
		var divToHide3 = document.getElementById('tabblock4_tab4');
	} 	
	if(which == 'tabblock4_tab2') {
		var divToShow = document.getElementById('tabblock4_tab2');
		var divToHide1 = document.getElementById('tabblock4_tab1');
		var divToHide2 = document.getElementById('tabblock4_tab3');
		var divToHide3 = document.getElementById('tabblock4_tab4');
	} 	
	if(which == 'tabblock4_tab3') {
		var divToShow = document.getElementById('tabblock4_tab3');
		var divToHide1 = document.getElementById('tabblock4_tab1');
		var divToHide2 = document.getElementById('tabblock4_tab2');
		var divToHide3 = document.getElementById('tabblock4_tab4');
	} 	
	if(which == 'tabblock4_tab4') {
		var divToShow = document.getElementById('tabblock4_tab4');
		var divToHide1 = document.getElementById('tabblock4_tab1');
		var divToHide2 = document.getElementById('tabblock4_tab2');
		var divToHide3 = document.getElementById('tabblock4_tab3');
	}
	
	divToShow.className = 'showTab4';
	divToHide1.className = 'hiddenTab4';
	divToHide2.className = 'hiddenTab4';
	divToHide3.className = 'hiddenTab4';
	
}

function showTab5(which) {
	
	if(which == 'tabblock5_tab1') {
		var divToShow = document.getElementById('tabblock5_tab1');
		var divToHide1 = document.getElementById('tabblock5_tab2');
		var divToHide2 = document.getElementById('tabblock5_tab3');
	} 	
	if(which == 'tabblock5_tab2') {
		var divToShow = document.getElementById('tabblock5_tab2');
		var divToHide1 = document.getElementById('tabblock5_tab1');
		var divToHide2 = document.getElementById('tabblock5_tab3');
	} 
	if(which == 'tabblock5_tab3') {
		var divToShow = document.getElementById('tabblock5_tab3');
		var divToHide1 = document.getElementById('tabblock5_tab1');
		var divToHide2 = document.getElementById('tabblock5_tab2');
	} 
	
	divToShow.className = 'showTab5';
	divToHide1.className = 'hiddenTab5';
	divToHide2.className = 'hiddenTab5';
}

function showTab6(which) {
	
	if(which == 'tabblock6_tab1') {
		var divToShow = document.getElementById('tabblock6_tab1');
		var divToHide1 = document.getElementById('tabblock6_tab2');
		var divToHide2 = document.getElementById('tabblock6_tab3');
		var divToHide3 = document.getElementById('tabblock6_tab4');
		var divToHide4 = document.getElementById('tabblock6_tab5');
		var divToHide5 = document.getElementById('tabblock6_tab6');
	} 	
	if(which == 'tabblock6_tab2') {
		var divToShow = document.getElementById('tabblock6_tab2');
		var divToHide1 = document.getElementById('tabblock6_tab1');
		var divToHide2 = document.getElementById('tabblock6_tab3');
		var divToHide3 = document.getElementById('tabblock6_tab4');
		var divToHide4 = document.getElementById('tabblock6_tab5');
		var divToHide5 = document.getElementById('tabblock6_tab6');
	} 
	if(which == 'tabblock6_tab3') {
		var divToShow = document.getElementById('tabblock6_tab3');
		var divToHide1 = document.getElementById('tabblock6_tab1');
		var divToHide2 = document.getElementById('tabblock6_tab2');
		var divToHide3 = document.getElementById('tabblock6_tab4');
		var divToHide4 = document.getElementById('tabblock6_tab5');
		var divToHide5 = document.getElementById('tabblock6_tab6');
	} 
	if(which == 'tabblock6_tab4') {
		var divToShow = document.getElementById('tabblock6_tab4');
		var divToHide1 = document.getElementById('tabblock6_tab1');
		var divToHide2 = document.getElementById('tabblock6_tab2');
		var divToHide3 = document.getElementById('tabblock6_tab3');
		var divToHide4 = document.getElementById('tabblock6_tab5');
		var divToHide5 = document.getElementById('tabblock6_tab6');
	} 
	if(which == 'tabblock6_tab5') {
		var divToShow = document.getElementById('tabblock6_tab5');
		var divToHide1 = document.getElementById('tabblock6_tab1');
		var divToHide2 = document.getElementById('tabblock6_tab2');
		var divToHide3 = document.getElementById('tabblock6_tab3');
		var divToHide4 = document.getElementById('tabblock6_tab4');
		var divToHide5 = document.getElementById('tabblock6_tab6');
	} 
	if(which == 'tabblock6_tab6') {
		var divToShow = document.getElementById('tabblock6_tab6');
		var divToHide1 = document.getElementById('tabblock6_tab1');
		var divToHide2 = document.getElementById('tabblock6_tab2');
		var divToHide3 = document.getElementById('tabblock6_tab3');
		var divToHide4 = document.getElementById('tabblock6_tab4');
		var divToHide5 = document.getElementById('tabblock6_tab5');
	} 
	
	divToShow.className = 'showTab5';
	divToHide1.className = 'hiddenTab5';
	divToHide2.className = 'hiddenTab5';
	divToHide3.className = 'hiddenTab5';
	divToHide4.className = 'hiddenTab5';
	divToHide5.className = 'hiddenTab5';
}

function toggle(showHideDiv, switchImgTag) {
    var ele = document.getElementById(showHideDiv);
    var imageEle = document.getElementById(switchImgTag);
    if(ele.style.display == "block") {
            ele.style.display = "none";
	imageEle.innerHTML = '<img src="images/form-icon-info.gif" alt="" class="icon_info_img" />';
    }
    else {
            ele.style.display = "block";
            imageEle.innerHTML = '<img src="images/form-icon-info-min.gif" alt="" class="icon_info_img" style="z-index:999;" />';
    }
}

function toggle2(showHideDiv2, switchImgTag2) {
    var ele2 = document.getElementById(showHideDiv2);
    var imageEle2 = document.getElementById(switchImgTag2);
    if(ele2.style.display == "block") {
            ele2.style.display = "none";
	imageEle2.innerHTML = '<img src="images/form-icon-info.gif" alt="" class="icon_info_img" />';
    }
    else {
            ele2.style.display = "block";
            imageEle2.innerHTML = '<img src="images/form-icon-info-min.gif" alt="" class="icon_info_img" style="z-index:999;" />';
    }
}

  

function getElementsByClassName(className, tag, elm) {
    var testClass = new RegExp("(^|\\s)" + className + "(\\s|$)");
    var tag = tag || "*";
    var elm = elm || document;
    var elements = tag == "*" && elm.all ? elm.all : elm.getElementsByTagName(tag);
    var returnElements = [];
    var current;
    var length = elements.length;
    for (var i = 0; i < length; i++) {
        current = elements[i];
        if (testClass.test(current.className)) {
            returnElements.push(current);
        }
    }
    return returnElements;
}

// Title: tigra slider control
// Description: See the demo at url
// URL: http://www.softcomplex.com/products/tigra_slider_control/
// Version: 1.0.2 (commented source)
// Date: 08/21/2008
// Tech. Support: http://www.softcomplex.com/forum/
// Notes: This script is free. Visit official site for further details.

function slider (a_init, a_tpl) {

	this.f_setValue  = f_sliderSetValue;
	this.f_getPos    = f_sliderGetPos;
	
	// register in the global collection	
	if (!window.A_SLIDERS)
		window.A_SLIDERS = [];
	this.n_id = window.A_SLIDERS.length;
	window.A_SLIDERS[this.n_id] = this;

	// save config parameters in the slider object
	var s_key;
	if (a_tpl)
		for (s_key in a_tpl)
			this[s_key] = a_tpl[s_key];
	for (s_key in a_init)
		this[s_key] = a_init[s_key];

	this.n_pix2value = this.n_pathLength / (this.n_maxValue - this.n_minValue);
	if (this.n_value == null)
		this.n_value = this.n_minValue;

	// generate the control's HTML
	document.write(
		'<div style="width:' + this.n_controlWidth + 'px;height:' + this.n_controlHeight + 'px;border:0;margin-left:178px;margin-top:10px; background-image:url(' + this.s_imgControl + ')" id="sl' + this.n_id + 'base">' +
		'<img src="' + this.s_imgSlider + '" width="' + this.n_sliderWidth + '" height="' + this.n_sliderHeight + '" border="0" style="position:relative;left:' + this.n_pathLeft + 'px;top:' + this.n_pathTop + 'px;z-index:' + this.n_zIndex + ';cursor:pointer;visibility:hidden;" name="sl' + this.n_id + 'slider" id="sl' + this.n_id + 'slider" onmousedown="return f_sliderMouseDown(' + this.n_id + ')"/></div>'
	);
	this.e_base   = get_element('sl' + this.n_id + 'base');
	this.e_slider = get_element('sl' + this.n_id + 'slider');
	
	// safely hook document/window events
	if (!window.f_savedMouseMove && document.onmousemove != f_sliderMouseMove) {
		window.f_savedMouseMove = document.onmousemove;
		document.onmousemove = f_sliderMouseMove;
	}
	if (!window.f_savedMouseUp && document.onmouseup != f_sliderMouseUp) {
		window.f_savedMouseUp = document.onmouseup;
		document.onmouseup = f_sliderMouseUp;
	}
	// preset to the value in the input box if available
	var e_input = this.s_form == null
		? get_element(this.s_name)
		: document.forms[this.s_form]
			? document.forms[this.s_form].elements[this.s_name]
			: null;
	this.f_setValue(e_input && e_input.value != '' ? e_input.value : null, 1);
	this.e_slider.style.visibility = 'visible';
}

function f_sliderSetValue (n_value, b_noInputCheck) {
	if (n_value == null)
		n_value = this.n_value == null ? this.n_minValue : this.n_value;
	if (isNaN(n_value))
		return false;
	// round to closest multiple if step is specified
	if (this.n_step)
		n_value = Math.round((n_value - this.n_minValue) / this.n_step) * this.n_step + this.n_minValue;
	// smooth out the result
	if (n_value % 1)
		n_value = Math.round(n_value * 1e5) / 1e5;

	if (n_value < this.n_minValue)
		n_value = this.n_minValue;
	if (n_value > this.n_maxValue)
		n_value = this.n_maxValue;

	this.n_value = n_value;

	// move the slider
	if (this.b_vertical)
		this.e_slider.style.top  = (this.n_pathTop + this.n_pathLength - Math.round((n_value - this.n_minValue) * this.n_pix2value)) + 'px';
	else
		this.e_slider.style.left = (this.n_pathLeft + Math.round((n_value - this.n_minValue) * this.n_pix2value)) + 'px';

	// save new value
	var e_input;
	if (this.s_form == null) {
		e_input = get_element(this.s_name);
		if (!e_input)
			return b_noInputCheck ? null : f_sliderError(this.n_id, "Can not find the input with ID='" + this.s_name + "'.");
	}
	else {
		var e_form = document.forms[this.s_form];
		if (!e_form)
			return b_noInputCheck ? null : f_sliderError(this.n_id, "Can not find the form with NAME='" + this.s_form + "'.");
		e_input = e_form.elements[this.s_name];
		if (!e_input)
			return b_noInputCheck ? null : f_sliderError(this.n_id, "Can not find the input with NAME='" + this.s_name + "'.");
	}
	e_input.value = n_value;
}

// get absolute position of the element in the document
function f_sliderGetPos (b_vertical, b_base) {
	var n_pos = 0,
		s_coord = (b_vertical ? 'Top' : 'Left');
	var o_elem = o_elem2 = b_base ? this.e_base : this.e_slider;
	
	while (o_elem) {
		n_pos += o_elem["offset" + s_coord];
		o_elem = o_elem.offsetParent;
	}
	o_elem = o_elem2;

	var n_offset;
	while (o_elem.tagName != "BODY") {
		n_offset = o_elem["scroll" + s_coord];
		if (n_offset)
			n_pos -= o_elem["scroll" + s_coord];
		o_elem = o_elem.parentNode;
	}
	return n_pos;
}

function f_sliderMouseDown (n_id) {
	window.n_activeSliderId = n_id;
	return false;
}

function f_sliderMouseUp (e_event, b_watching) {
	if (window.n_activeSliderId != null) {
		var o_slider = window.A_SLIDERS[window.n_activeSliderId];
		o_slider.f_setValue(o_slider.n_minValue + (o_slider.b_vertical
			? (o_slider.n_pathLength - parseInt(o_slider.e_slider.style.top) + o_slider.n_pathTop)
			: (parseInt(o_slider.e_slider.style.left) - o_slider.n_pathLeft)) / o_slider.n_pix2value);
		if (b_watching)	return;
		window.n_activeSliderId = null;
	}
	if (window.f_savedMouseUp)
		return window.f_savedMouseUp(e_event);
}

function f_sliderMouseMove (e_event) {

	if (!e_event && window.event) e_event = window.event;

	// save mouse coordinates
	if (e_event) {
		window.n_mouseX = e_event.clientX + f_scrollLeft();
		window.n_mouseY = e_event.clientY + f_scrollTop();
	}

	// check if in drag mode
	if (window.n_activeSliderId != null) {
		var o_slider = window.A_SLIDERS[window.n_activeSliderId];

		var n_pxOffset;
		if (o_slider.b_vertical) {
			var n_sliderTop = window.n_mouseY - o_slider.n_sliderHeight / 2 - o_slider.f_getPos(1, 1) - 3;
			// limit the slider movement
			if (n_sliderTop < o_slider.n_pathTop)
				n_sliderTop = o_slider.n_pathTop;
			var n_pxMax = o_slider.n_pathTop + o_slider.n_pathLength;
			if (n_sliderTop > n_pxMax)
				n_sliderTop = n_pxMax;
			o_slider.e_slider.style.top = n_sliderTop + 'px';
			n_pxOffset = o_slider.n_pathLength - n_sliderTop + o_slider.n_pathTop;
		}
		else {
			var n_sliderLeft = window.n_mouseX - o_slider.n_sliderWidth / 2 - o_slider.f_getPos(0, 1) - 3;
			// limit the slider movement
			if (n_sliderLeft < o_slider.n_pathLeft)
				n_sliderLeft = o_slider.n_pathLeft;
			var n_pxMax = o_slider.n_pathLeft + o_slider.n_pathLength;
			if (n_sliderLeft > n_pxMax)
				n_sliderLeft = n_pxMax;
			o_slider.e_slider.style.left = n_sliderLeft + 'px';
			n_pxOffset = n_sliderLeft - o_slider.n_pathLeft;
		}
		if (o_slider.b_watch)
			 f_sliderMouseUp(e_event, 1);

		return false;
	}
	
	if (window.f_savedMouseMove)
		return window.f_savedMouseMove(e_event);
}

// get the scroller positions of the page
function f_scrollLeft() {
	return f_filterResults (
		window.pageXOffset ? window.pageXOffset : 0,
		document.documentElement ? document.documentElement.scrollLeft : 0,
		document.body ? document.body.scrollLeft : 0
	);
}
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 f_sliderError (n_id, s_message) {
	alert("Slider #" + n_id + " Error:\n" + s_message);
	window.n_activeSliderId = null;
}

get_element = document.all ?
	function (s_id) { return document.all[s_id] } :
	function (s_id) { return document.getElementById(s_id) };

var A_TPL = {
	'b_vertical' : false,
	'b_watch': true,
	'n_controlWidth': 309,
	'n_controlHeight': 42,
	'n_sliderWidth': 16,
	'n_sliderHeight': 20,
	'n_pathLeft' : 8,
	'n_pathTop' : 1,
	'n_pathLength' : 262,
	's_imgControl': 'images/slider_bg.gif',
	's_imgSlider': 'images/slider_slider.gif',
	'n_zIndex': 1
	}
	
	var A_INIT1 = {
	's_form' : 0,
	's_name': 'sliderValue1',
	'n_minValue' : 0,
	'n_maxValue' : 40,
	'n_value' : 0,
	'n_step' : 1
}
function zoomin(){
	if(parent.parent.document.body.style.zoom!=0) 
	parent.parent.document.body.style.zoom*=1.2; 
else 
	parent.parent.document.body.style.zoom=1.2;
}
function zoomout(){
	if(parent.parent.document.body.style.zoom!=0) 
	parent.parent.document.body.style.zoom*=0.833; 
else 
	parent.parent.document.body.style.zoom=0.833;
}
function zoomrest(){
	if(parent.parent.document.body.style.zoom!=0) 
	parent.parent.document.body.style.zoom*=0; 
else 
	parent.parent.document.body.style.zoom=0;
}