function mytoggle(img) {
    document.getElementById('monid').stype.backgroundImage = img;
}

defaultStatus = "Daniel Werner's HomePage";
path = "art/";

if (document.images) {
//préchargement des images dans des variables images

var imgs = ['art1', 'art2', 'art3', 'art4']; //liste des images ŕ changeer
        for (i=0; i<4; i++)
            for (j=0; j<=3; j++)
                eval ("var "+imgs[i]+j+" = new Image();");

        art11.src = path+"art1_bw.png";
        art12.src = path+"art1.png";
        art21.src = path+"art2_bw.png";
        art22.src = path+"art2.png";
        art31.src = path+"art3_bw.png";
        art32.src = path+"art3.png";
        art41.src = path+"art4_bw.png";
        art42.src = path+"art4.png";
}

function tog(n, i) { //fonction toggle
    if (document.images)
        document.getElementById(n).src = eval(n+i+".src");
}