function homepageMouseOver(image, image2, image3,image2id){
    //document.contentblock.src=
    document.getElementById('contentblock').src=image3;
    document.getElementById(image2id).src=image2;

}
function homepageMouseOut(image, image2, image2id){
    document.getElementById('contentblock').src=image;
    document.getElementById(image2id).src=image2;
}
function pageheaderMouseaction(image, imageid){
    document.getElementById(imageid).src=image;
}

function ColExp(ID){
    var part = document.getElementById(ID + "d").style;
    if ( part.display == "") {
        part.display = "none";
    } else {
        part.display = "";
    }
}

// used for opening linkoverviews & folders
var latest = -1;

function swapFolderImg(id,folderid){
  var elimg = document.getElementById("img"+id);

  var part = document.getElementById(id + "d").style;
  if ( part.display == "") {
      part.display = "none";
      elimg.src="/images/Images/folder.gif";
  } else {
      part.display = "";
      elimg.src="/images/Images/folder_open.gif";
  }

    var toShow = document.getElementById(folderid+"lo").style;
    if(latest != -1){
      var toHide = document.getElementById(latest+"lo").style;
      toHide.display = "none";
    }
    toShow.display = "";
    latest = folderid;

}

function showLinkoverview2(id){
    var part = document.getElementById(id + "d").style;
    if ( part.display == "") {
        part.display = "none";
    } else {
        part.display = "";
    }


    var toShow = document.getElementById(id+"lo").style;
    if(latest != -1){
      var toHide = document.getElementById(latest+"lo").style;
      toHide.display = "none";
    }
    toShow.display = "";
    latest = id;
}

function showLinkoverview(id){
    var toShow = document.getElementById(id+"lo").style;
    if(latest != -1){
      var toHide = document.getElementById(latest+"lo").style;
      toHide.display = "none";
    }
    toShow.display = "";
    latest = id;
}

function getFormatedCurrentDate(){
    var d = new Date();
    var day = d.getDate();
    var dayname = d.getDay();
    var month = d.getMonth();
    var year = d.getFullYear();

    var s = translateDayName(dayname) +" "+ day +" "+ translateMonthName(month) +" "+ year;
    return s;
}

function translateDayName(day){
    var days = new Array('zondag', 'maandag', 'dinsdag', 'woensdag', 'donderdag', 'vrijdag', 'zaterdag')
    return days[day];
}

function translateMonthName(month){
    var months = new Array('januari', 'februari', 'maart', 'april', 'mei', 'juni', 'juli', 'augustus', 'september', 'oktober', 'november', 'december')
    return months[month];
}


var timer_id = false;
var timer_timeout = 10000; //10 seconds
var activeSubLink;

function hasSubMenu(id){
    return document.getElementById('l'+id)
}

function activateSubNav(id){
    clearTimeout(timer_id);

    var prevActiveLink = currentSubLink;
    currentSubLink = id;

    if (hasSubMenu(prevActiveLink)){
        deActivateSubNav(prevActiveLink);
    }

    if (!hasSubMenu(id)){
        deActivateSubNav(id);
        return;
    }

    if (!document.getElementById('b'+id)) return;

    bar = document.getElementById('b'+id);
    link = document.getElementById('l'+id);
    link0 = document.getElementById('l0');
    navbar = document.getElementById('subnavbar');

    bar.style.visibility = 'visible';
    link.style.display = 'block';
    link0.style.display = 'none';
    navbar.style.borderColor = '#000000';

    var prevActiveLink = activeSubLink;
}

function starttimer() {
    timer_id = setTimeout('activateSubNav(\''+ activeSubLink +'\')', timer_timeout);
}

function deActivateSubNav(id){
    bar = document.getElementById('b'+id);
    link0 = document.getElementById('l0');
    navbar = document.getElementById('subnavbar');

    if (hasSubMenu(id)){
        link = document.getElementById('l'+id);
        link.style.display = 'none';
    }

    bar.style.visibility = 'hidden';
    link0.style.display = 'block';
    navbar.style.borderColor = '#FFFFFF';
}