function BrowserCheck() {
	var b = navigator.appName
	if (b=="Netscape") this.b = "ns"
	else if (b=="Microsoft Internet Explorer") this.b = "ie"
	else this.b = "ie";

	this.v = parseInt(navigator.appVersion)
	this.ns = (this.b=="ns" && this.v==4)
	this.ns4 = (this.b=="ns" && this.v==4)
	this.ie = ((this.b=="ie" && this.v>=4)||(this.b=="ns" && this.v>=5))
	this.ie4 = (navigator.userAgent.indexOf('MSIE 4')>0)
	this.ie5 = (navigator.userAgent.indexOf('MSIE 5')>0)
	this.moz = (this.b=="ns" && this.v>=5)

	if (this.ie5) this.v = 5
	this.min = (this.ns||this.ie)

	if(!this.ns) this.ie=true;
}

vers = new BrowserCheck()

function show(id) {
        if (vers.ns) document.layers[id].visibility = "show"
        else if (vers.ie4) document.all[id].style.visibility = "visible"
		else if (vers.ie) document.getElementById(id).style.visibility = 'visible'
}

function hide(id) {
        if (vers.ns) document.layers[id].visibility = "hide"
        else if (vers.ie4) document.all[id].style.visibility = "hidden"
		else if (vers.ie) document.getElementById(id).style.visibility = 'hidden'
}


function reload() {
	if(vers.ns) history.go(0)
}

function Deselect(id,level){
  if (level=='top'){
	    if (vers.ie4) document.all[id].style.background = "#00007B"
		else if (vers.ie) document.getElementById(id).style.background = '#00007B'
  }
   if (level=='menu'){
	    if (vers.ie4) document.all[id].style.background = "#00007B"
		else if (vers.ie) document.getElementById(id).style.background = '#00007B'
  }
	
	//temp.style.backgroundImage='url(layout/kut.gif)';
}



function MakeSelected(temp,what){
	if (what=='a'){}
	else if (what=='b'){
		Deselect('b1','menu');Deselect('b2','menu');Deselect('b3','menu');Deselect('b4','menu');Deselect('b5','menu');}
	else if (what=='c'){
		Deselect('c1','menu');Deselect('c2','menu');}
	


}


function hideall() 
{
	hide('algemeen');
	hide('informatie');
	hide('leden');
}


function Validator(request)
{
	if (document.request.contactpersoon.value == "")
	{
		alert("Vul alstublieft uw naam in.");
		document.request.contactpersoon.focus();
		return false;
	}

	if (document.request.opmerkingen.value == "")
	{
		alert("Een leeg bericht is zinloos om te versturen. Vul alstublieft een bericht in.");
		document.request.contactpersoon.focus();
		return false;
	}			
}


function RowMakeSelected(temp)
{
	if (remember!=1) 
	{
		if (vers.ie4) document.all[temp].style.background="#d3d3d2"
		else if (vers.ie) document.getElementById(remember).style.background='#d3d3d2'
	}
	if (vers.ie4) document.all[temp].style.background='#ffff99'
	else if (vers.ie) document.getElementById(temp).style.background='#ffff99'
	remember=temp
}

function openwin(location,postal) 
{
	str = './'+location+'/'+postal;
        win = window.open(str,'isn','width=300,height=220,left=40,top=40,scrollbars=no');
        win.opener = self;
       }