if (document.images) {
tnboutis1 = new Image;
tnboutis2 = new Image;
tnboutisfr = new Image;
tnboutisbk = new Image;
tnboutis1.src = 'images\/couture/boutis1.jpg';
tnboutis2.src = 'images\/couture/boutis2.jpg';
tnboutisfr.src = 'images\/couture/boutisfr.jpg';
tnboutisbk.src = 'images\/couture/boutisbk.jpg';
} else {
tnboutis1 = '';
tnboutis2 = '';
tnboutisfr = '';
tnboutisbk = ''; 
document.couture2 = '';
}