sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
			
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


function AfficherErreur(spMessage)
{
	   
	if( window.innerWidth)
	{
		with( window)
		{	 
		positionScroll = pageYOffset;
		}
	}
	else
	{ // Cas Explorer a part
		if( document.documentElement && document.documentElement.clientWidth)
		DocRef = document.documentElement;
		else
		DocRef = document.body;
	
	 	with( DocRef)
	 	{
			Left = scrollLeft;
	 		positionScroll = scrollTop;
	 	}
	 } 
	 
	var height = document.documentElement.scrollHeight;

    if(document.documentElement.clientHeight > height )
        height  = document.documentElement.clientHeight;
    
    if (document.body.scrollHeight > height)
        height = document.body.scrollHeight;
    	
    document.body.style.overflow="hidden";
    document.getElementById("overlay").style.height= height;
    document.getElementById("overlay").style.display="block";
	document.getElementById("overlay").style.marginTop=positionScroll+"px";
    document.getElementById("erreur").style.display="block";
	hErreur = document.getElementById("erreur").offsetHeight;
	hErreur = -hErreur+positionScroll;	
    document.getElementById("message").innerHTML = spMessage;
	document.getElementById("erreur").style.marginTop = hErreur+"px";	
	document.body.style.overflow="hidden";	

}

function closeErreur()
{
	document.getElementById('overlay').style.display='none';
	document.getElementById('erreur').style.display='none';
	document.body.style.overflow="auto";	
}