function  Entreprendrehover(){
		document.getElementById('entreprendre').style.background='url(images/menu-entreprendre-hover.jpg)';
	}
function  Entreprendreout(){
		document.getElementById('entreprendre').style.background='url(images/menu-entreprendre.jpg)';
	}
	
function  Presentationhover(){
		document.getElementById('presentation').style.background='url(images/menu-presentation-hover.jpg)';
	}
function  Presentationout(){
		document.getElementById('presentation').style.background='url(images/menu-presentation.jpg)';
	}
	
function  Innoverhover(){
		document.getElementById('innover').style.background='url(images/menu-innover-hover.jpg)';
	}
function  Innoverout(){
		document.getElementById('innover').style.background='url(images/menu-innover.jpg)';
	}
	
function  Transmettrehover(){
		document.getElementById('transmettre').style.background='url(images/menu-transmettre-hover.jpg)';
	}
function  Transmettreout(){
		document.getElementById('transmettre').style.background='url(images/menu-transmettre.jpg)';
	}
	
function  Europehover(){
		document.getElementById('europe').style.background='url(images/menu-europe-hover.jpg)';
	}
function  Europeout(){
		document.getElementById('europe').style.background='url(images/menu-europe.jpg)';
	}