function diapo_txt1(nom){
window.document.getElementById('photo').src="images/diapo_marque/"+nom+".jpg";
}

function diapo_txt2(nom){
window.document.getElementById('photo2').src="images/diapo_activites/"+nom+".jpg";
}


function diapo_txt3(nom){
window.document.getElementById('photo3').src="images/diapo_bar/"+nom+".jpg";
}



function diapo_txt4(nom){
window.document.getElementById('photo4').src="images/diapo_hotel/"+nom+".jpg";
}