// Preload-images

// mouseoff plaatjes
	netpres200 = new Image;
    netpres200.src = "img/knop_alfabetisch_off.gif";
	netpres201 = new Image;
    netpres201.src = "img/knop_expertise_off.gif";
	netpres202 = new Image;
    netpres202.src = "img/knop_branche_off.gif";
        		
// mouseover plaatjes
	netpres200o = new Image;
    netpres200o.src = "img/knop_alfabetisch_on.gif";
	netpres201o = new Image;
    netpres201o.src = "img/knop_expertise_on.gif";
	netpres202o = new Image;
    netpres202o.src = "img/knop_branche_on.gif";
				
// mouseclick plaatjes	
	netpres200k = new Image;
    netpres200k.src = "img/knop_alfabetisch_on.gif";
	netpres201k = new Image;
    netpres201k.src = "img/knop_expertise_on.gif";
	netpres202k = new Image;
    netpres202k.src = "img/knop_branche_on.gif";

// mouseclick over plaatjes
	netpres200ko = new Image;
    netpres200ko.src = "img/knop_alfabetisch_on.gif";
	netpres201ko = new Image;
    netpres201ko.src = "img/knop_expertise_on.gif";
	netpres202ko = new Image;
    netpres202ko.src = "img/knop_branche_on.gif";