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) {
		m_index_over = newImage("images/m_index-over.gif");
		m_bibliographie_over = newImage("images/m_bibliographie-over.gif");
		m_musique_over = newImage("images/m_musique-over.gif");
		m_inedit_over = newImage("images/m_inedit-over.gif");
		m_histoire_over = newImage("images/m_histoire-over.gif");
		m_adresses_over = newImage("images/m_adresses-over.gif");
		m_commander_over = newImage("images/m_commander-over.gif");
		m_bon_over = newImage("images/m_bon-over.gif");
		m_cgv_over = newImage("images/m_cgv-over.gif");
		m_panier_over = newImage("images/m_panier-over.gif");
		preloadFlag = true;
	}
}