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) {
		rubinsteiner = newImage("img/elements/nav_rubinsteiner_over.gif");
		news = newImage("img/elements/nav_news_over.gif");
		concert = newImage("img/elements/nav_concert_over.gif");
		playlist = newImage("img/elements/nav_playlist_over.gif");
		forum = newImage("img/elements/nav_forum_over.gif");
		bio = newImage("img/elements/nav_bio_over.gif");
		video = newImage("img/elements/nav_video_over.gif");
		photo = newImage("img/elements/nav_photo_over.gif");
		sons = newImage("img/elements/nav_sons_over.gif");
		disco = newImage("img/elements/nav_disco_over.gif");
		newsletter = newImage("img/elements/nav_newsletter_over.gif");


		preloadFlag = true;
	} 
}

function popupcentree(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);
}

function phototheque(page) 
{
	window.open(page,"phototheque","width=600,height=600,toolbar=no,menubar=no,location=no,resizable=yes,scrollbars=yes,status=no");
}

function poptof(page) 
{
	window.open(page,"radiorock","width=600,height=600,toolbar=no,menubar=no,location=no,resizable=yes,scrollbars=yes,status=no");
}