var bouton = new Array(); 
bouton [0] = new Image(); 
bouton [0].src = 'images/boutons/terroir.jpg'; 

bouton [1] = new Image(); 
bouton [1].src = 'images/boutons/terroir-over.jpg'; 

bouton [2] = new Image(); 
bouton [2].src = 'images/boutons/porte.jpg'; 

bouton [3] = new Image(); 
bouton [3].src = 'images/boutons/porte-over.jpg'; 

bouton [4] = new Image(); 
bouton [4].src = 'images/boutons/sejours.jpg'; 

bouton [5] = new Image(); 
bouton [5].src = 'images/boutons/sejours-over.jpg'; 

bouton [6] = new Image(); 
bouton [6].src = 'images/boutons/loisirs.jpg'; 

bouton [7] = new Image(); 
bouton [7].src = 'images/boutons/loisirs-over.jpg'; 

bouton [8] = new Image(); 
bouton [8].src = 'images/boutons/festivites.jpg'; 

bouton [9] = new Image(); 
bouton [9].src = 'images/boutons/festivites-over.jpg'; 

bouton [10] = new Image(); 
bouton [10].src = 'images/boutons/hebergements.jpg'; 

bouton [11] = new Image(); 
bouton [11].src = 'images/boutons/hebergements-over.jpg'; 

bouton [12] = new Image(); 
bouton [12].src = 'images/boutons/communes.jpg'; 

bouton [13] = new Image(); 
bouton [13].src = 'images/boutons/communes-over.jpg'; 

bouton [14] = new Image(); 
bouton [14].src = 'images/boutons/patrimoine.jpg'; 

bouton [15] = new Image(); 
bouton [15].src = 'images/boutons/patrimoine-over.jpg'; 

bouton [16] = new Image(); 
bouton [16].src = 'images/boutons/musees.jpg'; 

bouton [17] = new Image(); 
bouton [17].src = 'images/boutons/musees-over.jpg'; 

bouton [18] = new Image(); 
bouton [18].src = 'images/boutons/carte.jpg'; 

bouton [19] = new Image(); 
bouton [19].src = 'images/boutons/carte-over.jpg'; 

bouton [20] = new Image(); 
bouton [20].src = 'images/boutons/services.jpg'; 

bouton [21] = new Image(); 
bouton [21].src = 'images/boutons/services-over.jpg'; 

bouton [22] = new Image(); 
bouton [22].src = 'images/boutons/velo.jpg'; 

bouton [23] = new Image(); 
bouton [23].src = 'images/boutons/velo-over.jpg'; 

function montre(id) {
if (document.getElementById) {
document.getElementById(id).style.display="block";
} else if (document.all) {
document.all[id].style.display="block";
} else if (document.layers) {
document.layers[id].display="block";
}
}

function cache(id) {
if (document.getElementById) {
document.getElementById(id).style.display="none";
} else if (document.all) {
document.all[id].style.display="none";
} else if (document.layers) {
document.layers[id].display="none";
}
}