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            function preLoad() { 

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img1 = new Image();
img1.src = "plaatjes/home.png";
img1on = new Image();
img1on.src = "plaatjes/home_over.png";

img2 = new Image();
img2.src = "plaatjes/fotoalbum.png";
img2on = new Image();
img2on.src = "plaatjes/fotoalbum_over.png";

img3 = new Image();
img3.src = "plaatjes/tips.png";
img3on = new Image();
img3on.src = "plaatjes/tips_over.png";

img4 = new Image();
img4.src = "plaatjes/overdennis.png";
img4on = new Image();
img4on.src = "plaatjes/overdennis_over.png";

img5 = new Image();
img5.src = "plaatjes/links.png";
img5on = new Image();
img5on.src = "plaatjes/links_over.png";

img6 = new Image();
img6.src = "plaatjes/contact.png";
img6on = new Image();
img6on.src = "plaatjes/contact_over.png";

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// -->