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);}
		}
	}
}
function OuvrirFenetre(theURL,winName,features, myWidth, myHeight, isCenter) { //v3.0
	if(window.screen)if(isCenter)if(isCenter=="true"){
		var myLeft = (screen.width-myWidth)/2;
		var myTop = (screen.height-myHeight)/2;
		features+=(features!='')?',':'';
		features+=',left='+myLeft+',top='+myTop;
	}
	window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight);
	}