hideProfil = function(){
	
	document.getElementById('sousMenu').style.display = 'none';
	document.getElementById('sousMenu').style.visibility = 'hidden';
	document.getElementById('firstLi').className = "";
}
showProfil = function(){	
 
	document.getElementById('sousMenu').style.display = 'block';
	document.getElementById('sousMenu').style.visibility = 'visible';
	document.getElementById('sousMenu').style.position = 'relative';
	document.getElementById('sousMenu').style.left = '0px';
	document.getElementById('sousMenu').style.top = '0px';
}