// JavaScript to interpolate random images into a page.
    
    var organiserTotalNumber = 4;                     // Number of alternative images
    var organizerImages = new Array(organiserTotalNumber);          // Array to hold filenames
    var defaultOrganiseImageId ="";
    
    // Set up the images. These are GIFs, but they don't have to be.
    // You could also save space in your file by including the
    // unchanging part of the image filename (i.e. 'inline/imageSample'
    // and '.gif') in the 'writeln' statement below, and just storing
    // the part of the image name that actually changes. Used this way
    // you could reference a very large number of different images while
    // keeping the file size small.
    
    organizerImages[0] = new Array('expandimg','expand',"expandTd");
    organizerImages[1] = new Array('inspireimg','Inspire', "inspireTd");
    organizerImages[2] = new Array('enjoyimg','Enjoy', "enjoyTd");
    organizerImages[3] = new Array('experienceimg','experience', "experienceTd");
        
    // pickRandom - Return a random number in a given range. If we're running
    // on an older browser that doesn't support 'Math.random()', we can fake
    // it by using the current time. This isn't ideal for mission-critical
    // security applications, but it's fine here. Note that we divide the
    // current time by 1000 to get rid of the milliseconds which Navigator
    // doesn't seem to take into account.
    
	function getRandomOrganiserIds()
	{
		return organizerImages[pickRandom(organiserTotalNumber)];
	}
    
    function pickRandom(range) {
        if (Math.random)
            return Math.round(Math.random() * (range-1));
        else {
            var now = new Date();
            return (now.getTime() / 1000) % range;
        }
    }

	function ChangeDefaultBanner()
	{
		Change_OrganiseBanner(defaultOrganiseImageId);
	}

	function Change_OrganiseBanner(showObjectId)
	{
		for (var index= 0; index <organizerImages.length; index++)
		{
			var imgobject;
			var textobject;
			imgobject = document.getElementById(organizerImages[index][0]);
			textobject = document.getElementById(organizerImages[index][1]);
			var tdobject = document.getElementById(organizerImages[index][2]);
			
			
			if (organizerImages[index][0] ==  showObjectId){
				imgobject.style.display = 'block';
				textobject.style.display = 'block';
				tdobject.className ='Organiseren_over';
			}	
			else	{
				imgobject.style.display = 'none';
				textobject.style.display = 'none';
				tdobject.className ='Right';

			}	
		}

	}