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tab_image[0].src='images/portes/deuren-M19-eik-1e.jpg';
tab_image[1].src='images/portes/deuren-M21-ceruse.jpg';
tab_image[2].src='images/portes/deuren-M32-bis.jpg';
tab_image[3].src='images/portes/deuren-M48-inox.jpg';
tab_image[4].src='images/portes/fineerdesign-Eik-glas.jpg';
tab_image[5].src='images/portes/DANA COUL.jpg';
tab_image[6].src='images/portes/DANA EUROBA.jpg';
tab_image[7].src='images/portes/DANA LINUS.jpg';
tab_image[8].src='images/portes/DANA MONOLOG.jpg';
tab_image[9].src='images/portes/DANA MOTIV.jpg';
var n=0;

function change() {
n= ++n;
if (n == tab_image.length) n=0;
window.document.image.src=tab_image[n].src;
}