<!--


top.status = "Vakantiehuis Zweekhorst";

userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
  if (document.images) {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function findElement(n,ly) {
  if (browserVers < 4) { return document[n]; }
  var curDoc = ly ? ly.document : document;
  var elem = curDoc[n];
  if (!elem) {
    for (var i=0; i < curDoc.layers.length; i++) {
      elem = findElement(n,curDoc.layers[i]);
      if (elem) { return elem; }
    }
  }
  return elem;
}

function changeImages() {
  if (document.images && (preloadFlag == true)) {
    var img;
    for (var i=0; i < changeImages.arguments.length; i += 2) {
      img = null;
      if (document.layers) {
        img = findElement(changeImages.arguments[i], 0);
      } else {
        img = document.images[changeImages.arguments[i]];
      }
      if (img) {
        img.src = changeImages.arguments[i+1];
      }
    }
    
    return true;
  }
}

var preloadFlag = false;
function preloadImages() {
  if (document.images) {
    het_huis_over   = newImage("images/btn_het_huis-over.jpg");
    tarieven_over   = newImage("images/btn_tarieven-over.jpg");
    omgeving_over   = newImage("images/btn_omgeving-over.jpg");
    gastenboek_over = newImage("images/btn_gastenboek-over.jpg");
    
    preloadFlag = true;
  }
}


var win = 0;
function popup(page,name,w,h,scrollbars,pos) {
    if (pos == "random") {
        leftPos = (screen.width) ? Math.floor(Math.random() * (screen.width - w)) : 100;
        topPos = (screen.height) ? Math.floor(Math.random() * ((screen.height - h)-75)) : 100;
    } else if (pos == "center") {
        leftPos = (screen.width) ? (screen.width - w) / 2 : 100;
        topPos = (screen.height) ? (screen.height -h) / 2 : 100;
    } else if ((pos != "random" && pos != "center") || pos == null) {
        leftPos = 0;
        topPos = 20;
    }
    settings = 'width='+w+',height='+h+',top='+topPos+',left='+leftPos+',scrollbars='+scrollbars+',location=no,status=no,menubar=no,toolbar=no,resizable=yes';
    win = window.open(page,name,settings);
}


// Shows a new popup window with the map of Groet
function showMap()
{
  popup('map.php','map','500','400','yes','center');

  return false;
}


// Select username field
function pageInit()
{
  if (typeof(document.forms[0]) != "undefined") {
    if (typeof(document.forms[0].elements['username']) != "undefined") {
      document.forms[0].elements['username'].focus();
    }
  }
}


//
window.onload = function() {
    preloadImages();
    pageInit();
}


// -->