function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;	} }

function changeImages() {	
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav02_01_over = newImage("images/nav02_01-over.gif");
		nav02_03_over = newImage("images/nav02_03-over.gif");
		nav02_05_over = newImage("images/nav02_05-over.gif");
		nav02_07_over = newImage("images/nav02_07-over.gif");
		nav02_10_over = newImage("images/nav02_10-over.gif");
		nav02_12_over = newImage("images/nav02_12-over.gif");
		nav02_14_over = newImage("images/nav02_14-over.gif");
		nav02_16_over = newImage("images/nav02_16-over.gif");
		nav_b_02_over = newImage("images/nav_b_02-over.gif");
		bouton_01_over = newImage("images/bouton_01-over.gif");
		bas_02_over = newImage("images/bas_02-over.gif");
		bas_03_over = newImage("images/bas_03-over.gif");
		
	preloadFlag = true;
	}
}

function closeWindow() {
	window.close();
	}

function PopupCentrer(page,largeur,hauteur,options) {
  var top=(screen.height-hauteur)/2;
  var left=(screen.width-largeur)/2;
  window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}