var opacity = 0;
var timer = 0;

function init_timer () {
	timer=1;
}

function stop_timer () {
	timer=0;
}

function AfficheLegende () {
	var divLegende = document.getElementById("legende");
	divLegende.style.visibility = 'visible';
	divLegende.style.opacity=opacity;
	divLegende.style.filter = 'alpha(opacity = '+(opacity)+')';
	
	if(timer==1 && opacity<100){
		setTimeout("AfficheLegende()",40);
		opacity+=20;
	}
}

function CacheLegende () {
	var divLegende = document.getElementById("legende");
	
	divLegende.style.opacity=opacity;
	divLegende.style.filter = 'alpha(opacity = '+(opacity)+')';
	divLegende.style.visibility = 'hidden';
	if(opacity>0){
		setTimeout("CacheLegende()",40);
		opacity-=20;
	}
}