sfHover = function() {
        var sfEls = document.getElementById("menu").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 cacherDiv(){
	
	document.getElementById("mdp").style.visibility='hidden';
    document.getElementById("mdp").style.display='none';
	document.getElementById("mail").style.visibility='hidden';
    document.getElementById("mail").style.display='none';
	return true;
}
function verifierConnexion(frm){
	var email = frm.elements['email'].value;
	cacherDiv();
	
	if(email == "") {
		document.getElementById("mail").style.visibility='visible';
		document.getElementById("mail").style.display='block';
				
		if(frm.elements['mdp'].value == ""){
			document.getElementById("mdp").style.visibility='visible';
			document.getElementById("mdp").style.display='block';
				
			return false;
		}	
	}
	else if(frm.elements['mdp'].value == ""){
			document.getElementById("mdp").style.visibility='visible';
			document.getElementById("mdp").style.display='block';
				
			return false;
	}	
	else{
		return true;
	}
}