if (document.images) {
plaatje1on = new Image();
plaatje1on.src = "images/menu_top/home_a.jpg";
 
plaatje2on = new Image();
plaatje2on.src = "images/menu_top/productenendiensten_a.jpg";

plaatje3on = new Image();
plaatje3on.src = "images/menu_top/contact_a.jpg";

leesverderon = new Image();
leesverderon.src = "images/leesverder_a.jpg"; 

terugon = new Image();
terugon.src = "images/terug_a.jpg"; 

downloadcvon = new Image();
downloadcvon.src = "images/downloadcv_a.jpg"; 
	   
plaatje1off = new Image();
plaatje1off.src = "images/menu_top/home.jpg";
 
plaatje2off = new Image();
plaatje2off.src = "images/menu_top/productenendiensten.jpg";

plaatje3off = new Image();
plaatje3off.src = "images/menu_top/contact.jpg";

leesverderoff = new Image();
leesverderoff.src = "images/leesverder.jpg";

terugoff = new Image();
terugoff.src = "images/terug.jpg";

downloadcvoff = new Image();
downloadcvoff.src = "images/downloadcv.jpg";


aanmeldenon = new Image();
aanmeldenon.src = "images/aanmelden_a.jpg";
aanmeldenoff = new Image();
aanmeldenoff.src = "images/aanmelden.jpg";


brainon = new Image();
brainon.src = "images/productenendiensten/onebrain/methode_a.jpg";
brainoff = new Image();
brainoff.src = "images/productenendiensten/onebrain/methode.jpg";

craniolinkon = new Image();
craniolinkon.src = "images/productenendiensten/cranio/craniolink_a.jpg";
craniolinkoff = new Image();
craniolinkoff.src = "images/productenendiensten/cranio/craniolink.jpg";

<!-- producten menu --!>
agendaon = new Image();
agendaon.src = "images/menu_links/agenda_a.jpg";
agendaoff = new Image();
agendaoff.src = "images/menu_links/agenda.jpg";

coachingon = new Image();
coachingon.src = "images/menu_links/coaching_a.jpg";
coachingoff = new Image();
coachingoff.src = "images/menu_links/coaching.jpg";

cursussenon = new Image();
cursussenon.src = "images/menu_links/cursussen_a.jpg";
cursussenoff = new Image();
cursussenoff.src = "images/menu_links/cursussen.jpg";

onebrainon = new Image();
onebrainon.src = "images/menu_links/onebrain_a.jpg";
onebrainoff = new Image();
onebrainoff.src = "images/menu_links/onebrain.jpg";

cranioon = new Image();
cranioon.src = "images/menu_links/cranio_a.jpg";
craniooff = new Image();
craniooff.src = "images/menu_links/cranio.jpg";

hypnotherapion = new Image();
hypnotherapion.src = "images/menu_links/hypnotherapi_a.jpg";
hypnotherapioff = new Image();
hypnotherapioff.src = "images/menu_links/hypnotherapi.jpg";

publicatieson = new Image();
publicatieson.src = "images/menu_links/publicaties_a.jpg";
publicatiesoff = new Image();
publicatiesoff.src = "images/menu_links/publicaties.jpg";

fotogallerijon = new Image();
fotogallerijon.src = "images/menu_links/fotogallerij_a.jpg";
fotogallerijoff = new Image();
fotogallerijoff.src = "images/menu_links/fotogallerij.jpg";

nieuwsbrievenon = new Image();
nieuwsbrievenon.src = "images/menu_links/nieuwsbrieven_a.jpg";
nieuwsbrievenoff = new Image();
nieuwsbrievenoff.src = "images/menu_links/nieuwsbrieven.jpg";

energycheckon = new Image();
energycheckon.src = "images/menu_links/energycheck_a.jpg";
energycheckoff = new Image();
energycheckoff.src = "images/menu_links/energycheck.jpg";

<!-- einde producten menu --!>

<!-- Agenda --!>
pmaandon = new Image();
pmaandon.src = "images/productenendiensten/agenda/btn_vorigemaand_a.jpg";
pmaandoff = new Image();
pmaandoff.src = "images/productenendiensten/agenda/btn_vorigemaand.jpg";

nmaandon = new Image();
nmaandon.src = "images/productenendiensten/agenda/btn_volgendemaand_a.jpg";
nmaandoff = new Image();
nmaandoff.src = "images/productenendiensten/agenda/btn_volgendemaand.jpg";

terugnaaroverzichton = new Image();
terugnaaroverzichton.src = "images/productenendiensten/agenda/terugnaaroverzicht_a.jpg";
terugnaaroverzichtoff = new Image();
terugnaaroverzichtoff.src = "images/productenendiensten/agenda/terugnaaroverzicht.jpg";
<!-- Cursussen --!>
c1on = new Image();
c1on.src = "images/productenendiensten/cursussen/dl/1_a.jpg";
c1off = new Image();
c1off.src = "images/productenendiensten/cursussen/dl/1.jpg";

c2on = new Image();
c2on.src = "images/productenendiensten/cursussen/dl/2_a.jpg";
c2off = new Image();
c2off.src = "images/productenendiensten/cursussen/dl/2.jpg";

c3on = new Image();
c3on.src = "images/productenendiensten/cursussen/dl/3_a.jpg";
c3off = new Image();
c3off.src = "images/productenendiensten/cursussen/dl/3.jpg";

c4on = new Image();
c4on.src = "images/productenendiensten/cursussen/dl/4_a.jpg";
c4off = new Image();
c4off.src = "images/productenendiensten/cursussen/dl/4.jpg";

c5on = new Image();
c5on.src = "images/productenendiensten/cursussen/dl/5_a.jpg";
c5off = new Image();
c5off.src = "images/productenendiensten/cursussen/dl/5.jpg";

c6on = new Image();
c6on.src = "images/productenendiensten/cursussen/dl/6_a.jpg";
c6off = new Image();
c6off.src = "images/productenendiensten/cursussen/dl/6.jpg";

c7on = new Image();
c7on.src = "images/productenendiensten/cursussen/dl/7_a.jpg";
c7off = new Image();
c7off.src = "images/productenendiensten/cursussen/dl/7.jpg";

<!-- Cursussen --!>

nieuwsbriefon = new Image();
nieuwsbriefon.src = "../nieuwsbrief/nieuwsbrief_a.jpg";
nieuwsbriefoff = new Image();
nieuwsbriefoff.src = "../nieuwsbrief/nieuwsbrief.jpg";

<!-- Contactmenu --!>
lcontacton = new Image();
lcontacton.src = "images/contact/menulinks/contact_a.jpg";
lcontactoff = new Image();
lcontactoff.src = "images/contact/menulinks/contact.jpg";

laanmeldingsformulieron = new Image();
laanmeldingsformulieron.src = "images/contact/menulinks/aanmeldingsformulier_a.jpg";
laanmeldingsformulieroff = new Image();
laanmeldingsformulieroff.src = "images/contact/menulinks/aanmeldingsformulier.jpg";

lalgemenevoorwaardenon = new Image();
lalgemenevoorwaardenon.src = "images/contact/menulinks/algemenevoorwaarden_a.jpg";
lalgemenevoorwaardenoff = new Image();
lalgemenevoorwaardenoff.src = "images/contact/menulinks/algemenevoorwaarden.jpg";

lprijzenon = new Image();
lprijzenon.src = "images/contact/menulinks/prijzen_a.jpg";
lprijzenoff = new Image();
lprijzenoff.src = "images/contact/menulinks/prijzen.jpg";

contactemailon = new Image();
contactemailon.src = "images/contact/contactinformatie_a.jpg";
contactemailoff = new Image();
contactemailoff.src = "images/contact/contactinformatie.jpg";

contactemail2on = new Image();
contactemail2on.src = "images/contact/contactinformatie2_a.jpg";
contactemail2off = new Image();
contactemail2off.src = "images/contact/contactinformatie2.jpg";

enegerycheckbtnon = new Image();
enegerycheckbtnon.src = "images/productenendiensten/energy-check/bestel_btn_a.jpg";
enegerycheckbtnoff = new Image();
enegerycheckbtnoff.src = "images/productenendiensten/energy-check/bestel_btn.jpg";

<!-- contactmenu --!>
}
 
function muisop(imgname) {
if (document.images) {
document[imgname].src = eval(imgname + 'on.src');
}
}
 
function muisaf(imgname) {
if (document.images) {
document[imgname].src = eval(imgname + 'off.src');
}
}