function Affiche(id,max){for(i=1;i<=max;i++) Masque(i);option="option_"+id;document.getElementById(option).className="selection";
if(document.getElementById){if(document.getElementById(id).style.display=="block") {document.getElementById(id).style.display="none";} else {document.getElementById(id).style.display="block";}} 
else if(document.all){if(document.all[id].style.display=="block"){document.all[id].style.display="none";} else{document.all[id].style.display="block";}} 
else if(document.layers){if(document.layers[id].display=="block"){document.layers[id].display="none";}else{document.layers[id].display="block";}}}

function Masque(i){option="option_"+i;document.getElementById(option).className="";
if(document.getElementById){document.getElementById(i).style.display="none";}
else if(document.all){document.all[i].style.display="none";} 
else if(document.layers){document.layers[i].display="none";}}