// -----------------------------------------------------------------------------

if (document.images) {
  a0 = new Image(156,18); a0.src = "grafx/menu_over_jongeneel.gif";
  a1 = new Image(156,18); a1.src = "grafx/menu_over_jongeneel_over.gif";

  b0 = new Image(156,18); b0.src = "grafx/menu_activiteiten.gif";
  b1 = new Image(156,18); b1.src = "grafx/menu_activiteiten_over.gif";

  c0 = new Image(156,18); c0.src = "grafx/menu_opdrachtgevers.gif";
  c1 = new Image(156,18); c1.src = "grafx/menu_opdrachtgevers_over.gif";

  d0 = new Image(156,18); d0.src = "grafx/menu_wagenpark.gif";
  d1 = new Image(156,18); d1.src = "grafx/menu_wagenpark_over.gif";

  e0 = new Image(156,18); e0.src = "grafx/menu_vacatures.gif";
  e1 = new Image(156,18); e1.src = "grafx/menu_vacatures_over.gif";

  f0 = new Image(156,18); f0.src = "grafx/menu_contact.gif";
  f1 = new Image(156,18); f1.src = "grafx/menu_contact_over.gif";

  g0 = new Image(156,18); g0.src = "grafx/menu_home.gif";
  g1 = new Image(156,18); g1.src = "grafx/menu_home_over.gif";

  x0 = new Image(65,65); x0.src = "grafx/picto_alg_gr.gif";
  x1 = new Image(65,65); x1.src = "grafx/picto_alg_grwit.gif";

  y0 = new Image(65,66); y0.src = "grafx/picto_gevaar_gr.gif";
  y1 = new Image(65,66); y1.src = "grafx/picto_gevaar_grwit.gif";

  z0 = new Image(65,66); z0.src = "grafx/picto_food_gr.gif";
  z1 = new Image(65,66); z1.src = "grafx/picto_food_grwit.gif";
}

// -----------------------------------------------------------------------------

function change(imageName,imageFile) {
  if (!document.images) return;
  document.images[imageName].src = eval(imageFile + ".src");
}

// -----------------------------------------------------------------------------

function checkContact() {

  var f = document.contactForm;

  if (f.naam.value.length < 2) {
    alert('Vul a.u.b. uw naam in!');
    return false
  }

  if (f.mail.value == '') {
    alert('Vul a.u.b. uw e-mailadres in!');
    return false
  }

  if (isEmail(f.mail.value) != true) {
    alert('Vul a.u.b. een geldig e-mailadres in!');
    return false
  }
  
  if(f.code.value == '') {
    alert('Vul a.u.b. de code in!');
    return false;
  }

  return true
}

// -----------------------------------------------------------------------------

function isEmail(str) {
  // are regular expressions supported?
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported) 
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  return (!r1.test(str) && r2.test(str));
}

// -----------------------------------------------------------------------------


// -----------------------------------------------------------------------------

var extraVelden;
extraVelden = '';

function checkForm(strElements) {

  var result;
  result = false;
		
	if (extraVelden != '') {
		strElements += extraVelden;
	}

	elements = strElements.split(',');
	strerror = '';

  for (x = 0; x < elements.length; x++) {	

    if (elements[x].indexOf('CB') >= 0) {	
      elements[x] = elements[x].replace('CB:','');
      if (document.getElementById(elements[x]).checked == false) {
        strerror += ('Het vak \''+elements[x]+'\' moet aangekruisd zijn\n');
        result = false;
      }
    } else {
      if (document.getElementById(elements[x]).value == '') {	
        if (elements[x].indexOf('_') > 0) {
          elements[x] = elements[x].substring(elements[x].indexOf('_')+1, elements[x].length);
        }
        strerror += ('Het veld \''+elements[x]+'\' mag niet leeg zijn\n');
        result = false;
      }
    }
  }

  if (document.getElementById('cv').value != '') {
    var cvfile = isCorrectFile(document.getElementById('cv').value);
    if (cvfile == false) {
      strerror += 'Het CV is in een ongeldig bestandsformaat!\n(toegestaan; .txt, .doc, .pdf)';
      result = false;
    }
  }

  if (strerror != '') {
    alert(strerror);
  } else {
    result = true;
  }
  return result;
}

// -----------------------------------------------------------------------------

function isCorrectFile(fileLoc) {

  var file = fileLoc;
  var pos  = file.lastIndexOf(".");
  var ext;

  if (pos >= 0) {
    ext = file.substr(pos + 1);
    ext = ext.toLowerCase();
    if ((ext == 'txt') || (ext == 'pdf') || (ext == 'doc')) {
      return true
    } else {
      return false
    }
  } else {
    return false
  }
}

// -----------------------------------------------------------------------------

var slideShowSpeed = 4000
var slideShowSpeed2 = 6000
var crossFadeDuration = 3
var crossFadeDuration2 = 4

var Pic = new Array()
var Picl = new Array()
var Pica = new Array()
var Picb = new Array()
var imglinkarray = new Array();

Pic[0] = '/grafx/wagens/1_t.jpg'
Pic[1] = '/grafx/wagens/2_t.jpg'
Pic[2] = '/grafx/wagens/3_t.jpg'
Pic[3] = '/grafx/wagens/4_t.jpg'
Pic[4] = '/grafx/wagens/5_t.jpg'
Pic[5] = '/grafx/wagens/6_t.jpg'
Pic[6] = '/grafx/wagens/7_t.jpg'
Pic[7] = '/grafx/wagens/8_t.jpg'
Pic[8] = '/grafx/wagens/9_t.jpg'
Pic[9] = '/grafx/wagens/10_t.jpg'
Pic[10] = '/grafx/wagens/11_t.jpg'
Pic[11] = '/grafx/wagens/12_t.jpg'
Pic[12] = '/grafx/wagens/13_t.jpg'


Picl[0] = '/grafx/wagens/1'
Picl[1] = '/grafx/wagens/2'
Picl[2] = '/grafx/wagens/3'
Picl[3] = '/grafx/wagens/4'
Picl[4] = '/grafx/wagens/5'
Picl[5] = '/grafx/wagens/6'
Picl[6] = '/grafx/wagens/7'
Picl[7] = '/grafx/wagens/8'
Picl[8] = '/grafx/wagens/9'
Picl[9] = '/grafx/wagens/10'
Picl[10] = '/grafx/wagens/11'
Picl[11] = '/grafx/wagens/12'
Picl[12] = '/grafx/wagens/13'


var t
var j = 0
var p = Pic.length
var k = Picl.length



var preLoad = new Array()
for (i = 0; i < p; i++){
   preLoad[i] = new Image()
   preLoad[i].src = Pic[i]
}

var preLoadl = new Array()
for (i = 0; i < k; i++){
   preLoadl[i] = new Image()
   preLoadl[i].src = Picl[i]
}



function runSlideShow(){
   if (document.all){
      document.images.SlideShow.style.filter="blendTrans(duration=2)"
      document.images.SlideShow.style.filter="blendTrans(duration=crossFadeDuration)"
      document.images.SlideShow.filters.blendTrans.Apply()      
   }
   document.images.SlideShow.src = preLoad[j].src
   if (document.all){
      document.images.SlideShow.filters.blendTrans.Play()
   }
   j = j + 1
   if (j > (p-1)) j=0
   t = setTimeout('runSlideShow()', slideShowSpeed)
}
function SlideShowClick() {
  if (j <= 0) {
   ShowFoto2(preLoadl[5].src);
  } else {
     ShowFoto2(preLoadl[j-1].src);
  }
}