// GESTION MENU GAUCHE
function hover(obj) {
	if(document.all) {
		UL = obj.getElementsByTagName('ul');
		if(UL.length > 0) {UL[0].style.display = 'block';}
	}
}

function hout(obj) {
	if(document.all) {
		UL = obj.getElementsByTagName('ul');
		if(UL.length > 0) {UL[0].style.display = 'none';}
	}
}
function setHover(){
	if (document.getElementById('nav1')) {
		LI = document.getElementById('nav1').getElementsByTagName('li');
		nLI = LI.length;
		for(i=0; i < nLI; i++){
			LI[i].onmouseover = function(){hover(this);}
			LI[i].onmouseout = function(){hout(this);}
		}
	}
}

// Ouverture d'une fenetre POPUP centrée
function OuvrirFenetre(URL,LgX,LgY) {
	if ( !LgX ) LgX = 300;
	if ( !LgY ) LgY = 300;
	PosX = (screen.width) ? (screen.width-LgX)/2 : 0; 
	PosY = (screen.height) ? (screen.height-LgY)/2 : 0; 
	msg=open("","popup","location=no,status=no,toolbar=no,directories=no,resizable=yes,menubar=no,scrollbars=yes,width="+LgX+",height="+LgY+",left="+PosX+",top="+PosY);
	msg.location.href=URL;
	msg.focus();
}