var fadeMenu=[0,0,0,0,0,0,0];
var fadeUpDown=[0,0,0,0,0,0,0];

function ButChange(indice){
	var img=document.getElementById("bouton"+indice);
	fadeUpDown[indice]=1;
	setTimeout("fonduMenu("+indice+")", 50);
}

function fonduMenu(indice){
	if(fadeUpDown[indice]==1){
		fadeMenu[indice]+=(100-fadeMenu[indice])/5+1;
		var img = document.getElementById("bouton"+indice);
		
		if(img.filters)	img.style.filter = "alpha(opacity=" + fadeMenu[indice] + ")";
		else if(img.style.MozOpacity) img.style.MozOpacity = fadeMenu[indice]/100;
		else img.style.opacity = fadeMenu[indice]/100;

		if(fadeMenu[indice]<100) setTimeout("fonduMenu("+indice+")", 50);
	}
}

function ButRestore(indice){
	fadeUpDown[indice]=0;
	setTimeout("fonduMenuDown("+indice+")", 50);
}

function fonduMenuDown(indice){
	if(fadeUpDown[indice]==0){
		fadeMenu[indice]-=10;
		
		var img = document.getElementById("bouton"+indice);
		
		if(img.filters)	img.style.filter = "alpha(opacity=" + fadeMenu[indice] + ")";
		else if(img.style.MozOpacity) img.style.MozOpacity = fadeMenu[indice]/100;
		else img.style.opacity = fadeMenu[indice]/100;
		
		if(fadeMenu[indice]>0) setTimeout("fonduMenuDown("+indice+")", 50);
	}
}

function go(what) {
  value = what.options[what.selectedIndex].value;
  if (value == "") return;
  window.location.href = value;
}