var on = true;
var off = false;
var go = true;
var no_go = false;


if (document.images)
{
	contact = 0;
	email = 1;
	een = 2;
	imghome = 3;
	twee = 4;
	bedrijf = 5;
	drie = 6;
	particulier = 7;
 	hypotheken = 8;
	vier = 9;	
	links = 10;
	vijf = 11;
	bereken = 12;
	maximg = 13;
	var keuze = '';

	off_img = new Array(maximg);
	for (var i = 0; i < maximg; i++) { off_img[i] = new Image(); }
	on_img = new Array(maximg);
	for (var i = 0; i < maximg; i++) { on_img[i] = new Image(); }
	sel_img = new Array(maximg);
	for (var i = 0; i < maximg; i++) { sel_img[i] = new Image(); }

	off_img[contact].src = '../images/nav/btn_contact.gif';
	off_img[email].src = '../images/nav/btn_email.gif';
	off_img[een].src = '../images/spacer.gif';
	off_img[imghome].src = '../images/nav/btn_home.gif';
	off_img[twee].src = '../images/spacer.gif';
	off_img[bedrijf].src = '../images/nav/btn_bedrijf.gif';
	off_img[drie].src = '../images/spacer.gif';
	off_img[particulier].src = '../images/nav/btn_particulier.gif';
	off_img[hypotheken].src = '../images/nav/btn_hypotheken.gif';
	off_img[vier].src = '../images/spacer.gif';
	off_img[links].src = '../images/nav/btn_links.gif';
	off_img[vijf].src = '../images/spacer.gif';
	off_img[bereken].src = '../images/nav/btn_bereken.gif';

	on_img[contact].src = '../images/nav/btn_contact.gif';
	on_img[email].src = '../images/btn_email.gif';
	on_img[een].src = '../images/spacer.gif';
	on_img[imghome].src = '../images/nav/btn_home_o.gif';
	on_img[twee].src = '../images/spacer.gif';
	on_img[bedrijf].src = '../images/nav/btn_bedrijf_o.gif';
	on_img[drie].src = '../images/spacer.gif';
	on_img[particulier].src = '../images/nav/btn_particulier_o.gif';
	on_img[hypotheken].src = '../images/nav/btn_hypotheken_o.gif';
	on_img[vier].src = '../images/spacer.gif';
	on_img[links].src = '../images/nav/btn_links_o.gif';
	on_img[vijf].src = '../images/spacer.gif';
	on_img[bereken].src = '../images/nav/btn_bereken_o.gif';

	sel_img[contact].src = '../images/nav/btn_contact.gif';
	sel_img[email].src = '../images/btn_email.gif';
	sel_img[een].src = '../images/spacer.gif';
	sel_img[imghome].src = '../images/nav/btn_home_o.gif';
	sel_img[twee].src = '../images/spacer.gif';
	sel_img[bedrijf].src = '../images/nav/btn_bedrijf_o.gif';
	sel_img[drie].src = '../images/spacer.gif';
	sel_img[particulier].src = '../images/nav/btn_particulier_o.gif';
	sel_img[hypotheken].src = '../images/nav/btn_hypotheken_o.gif';
	sel_img[vier].src = '../images/spacer.gif';
	sel_img[links].src = '../images/nav/btn_links_o.gif';
	sel_img[vijf].src = '../images/spacer.gif';
	sel_img[bereken].src = '../images/nav/btn_bereken_o.gif';
}

function putImg(id,status,sel)
{
  if (document.images){
  	if (!sel && (id != keuze)){
      if (status == on){
        document.getElementById(id).src = on_img[eval(id)].src;
      } else {
        document.getElementById(id).src = off_img[eval(id)].src;
      }
    }
    
    if (sel){
     if (keuze != ''){
     	document.getElementById(keuze).src = off_img[eval(keuze)].src;
     }
     keuze = id;
     document.getElementById(id).src = sel_img[eval(id)].src;
    }
  }
}