window.onload = function () {
var header_content = document.getElementById('header_content');
var pictures = new Array();
pictures[0] = '/Portals/1/Skins/MPS-ECAS/headers_content/afrika_kas.jpg';
pictures[1] = '/Portals/1/Skins/MPS-ECAS/headers_content/bakken_bloemen.jpg';
pictures[2] = '/Portals/1/Skins/MPS-ECAS/headers_content/bloem1.jpg';
pictures[3] = '/Portals/1/Skins/MPS-ECAS/headers_content/ficus.jpg';
pictures[4] = '/Portals/1/Skins/MPS-ECAS/headers_content/kas_blauw.jpg';
pictures[5] = '/Portals/1/Skins/MPS-ECAS/headers_content/kas_glas.jpg';
pictures[6] = '/Portals/1/Skins/MPS-ECAS/headers_content/lieveheersbeest1.jpg';
pictures[7] = '/Portals/1/Skins/MPS-ECAS/headers_content/lieveheersbeest2.jpg';
pictures[8] = '/Portals/1/Skins/MPS-ECAS/headers_content/sprieten.jpg';
pictures[9] = '/Portals/1/Skins/MPS-ECAS/headers_content/sunflower1.jpg';
pictures[10] = '/Portals/1/Skins/MPS-ECAS/headers_content/tuinwinkel.jpg';
pictures[11] = '/Portals/1/Skins/MPS-ECAS/headers_content/veiling_motion.jpg';
pictures[12] = '/Portals/1/Skins/MPS-ECAS/headers_content/header_paprika01.jpg';
pictures[13] = '/Portals/1/Skins/MPS-ECAS/headers_content/header_paprika02.jpg';
pictures[14] = '/Portals/1/Skins/MPS-ECAS/headers_content/orchidee.jpg';
pictures[15] = '/Portals/1/Skins/MPS-ECAS/headers_content/gerbera.jpg';
var numPics = pictures.length;
if (document.images) {
	var chosenPic = Math.floor((Math.random() * numPics));
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	header_content.style.width = "931px";
	header_content.style.backgroundPosition = "top right";
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}