// open external link in new tab/window

// use rel="external" instead of target="_blank"

function externalLinks() {

  if (!document.getElementsByTagName) return;

  var anchors = document.getElementsByTagName("a");

  for (var i=0; i<anchors.length; i++) {

    var anchor = anchors[i];

    if (anchor.getAttribute("href") &&

        anchor.getAttribute("rel") == "external")

      anchor.target = "_blank";

    }

}

window.onload = externalLinks;


/***********************************************
* Random Images Script
***********************************************/

<!-- Begin
// Set up the image files to be used.
var theImages = new Array() // do not change this
// To add more image files, continue with the
// pattern below, adding to the array.

theImages[0] = 'http://www.de-butler.nl/assets/templates/V1/images/inner1.jpg'
theImages[1] = 'http://www.de-butler.nl/assets/templates/V1/images/inner2.jpg'
theImages[2] = 'http://www.de-butler.nl/assets/templates/V1/images/inner3.jpg'
theImages[3] = 'http://www.de-butler.nl/assets/templates/V1/images/inner4.jpg'
theImages[4] = 'http://www.de-butler.nl/assets/templates/V1/images/inner5.jpg'
theImages[5] = 'http://www.de-butler.nl/assets/templates/V1/images/inner6.jpg'
theImages[6] = 'http://www.de-butler.nl/assets/templates/V1/images/inner7.jpg'
theImages[7] = 'http://www.de-butler.nl/assets/templates/V1/images/inner8.jpg'

// do not edit anything below this line

var j = 0
var p = theImages.length;
var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}
var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+theImages[whichImage]+'">');
}

//  End -->