var D1_0 = new Image ();		D1_0.src = '../images/1-uit.gif';
var D1_1 = new Image ();		D1_1.src = '../images/1-aan.gif';
var D2_0 = new Image ();		D2_0.src = '../images/2-uit.gif';
var D2_1 = new Image ();		D2_1.src = '../images/2-aan.gif';
var D3_0 = new Image ();		D3_0.src = '../images/3-uit.gif';
var D3_1 = new Image ();		D3_1.src = '../images/3-aan.gif';
var D4_0 = new Image ();		D4_0.src = '../images/4-uit.gif';
var D4_1 = new Image ();		D4_1.src = '../images/4-aan.gif';
var D5_0 = new Image ();		D5_0.src = '../images/overzicht-uit.gif';
var D5_1 = new Image ();		D5_1.src = '../images/overzicht-aan.gif';

function Change(ImgObj, Display) {
// To call this function: ImgObj is the number of the button and Display the status
	eval('document.images.slide' + ImgObj + '.src = D' + ImgObj + '_' + Display + '.src');
}