function affich_menu(div){
	cache_menu(div);
	if(document.getElementById(div).style.display=='none'){
		new Effect.BlindDown(div, { duration: 0.8 });
	}else{	
		new Effect.BlindUp(div, { duration: 0.8 });
	}
}

function cache_menu(div){
	if(document.getElementById('Layer_result') && document.getElementById('Layer_result').style.display!='none' && div!='Layer_result'){
		new Effect.BlindUp('Layer_result', { duration: 0.8 });
	}
	
}

function montreSimulateur(div) {
	new Ajax.Updater(div, '/ajax/affiche_simulateur.php', {method:'get', onComplete:insertDiv()});
}

function insertDiv() {
    document.getElementById('Layer_simul').style.display='block';
}

function cacheDiv() {
    document.getElementById('Layer_simul').style.display='none';
}