// Fonction destinée à remplacer le "li:hover" pour IE 6
sfHover = function()
{
	var sfEls = document.getElementById("niveau1").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++)
	{
		sfEls[i].onmouseover = function()
		{
			this.className = this.className.replace(new RegExp(" sfhover"), "");
			this.className += " sfhover";
			var img = this.getElementsByTagName("img");
			for(z=0;z<img.length;z++)
			{
				this.getElementsByTagName("img")[z].src = "images/fleche-rouge.png";
			}
		}
		sfEls[i].onmouseout = function()
		{
			this.className = this.className.replace(new RegExp(" sfhover"), "");
			var img = this.getElementsByTagName("img");
			for(z=0;z<img.length;z++)
			{
				this.getElementsByTagName("img")[z].src = "images/fleche-grise.png";
			}
		}
	}
	var sfEls = document.getElementById("menu-top-center").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++)
	{
		sfEls[i].onmouseover = function()
		{
			this.className = this.className.replace(new RegExp(" sfhover"), "");
			this.className += " sfhover";
		}
		sfEls[i].onmouseout = function()
		{
			this.className = this.className.replace(new RegExp(" sfhover"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);