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) {
		rNavi_01_praxis_impuls_over = newImage("fileadmin/images/rnavi/rNavi_01-praxis-impuls_over.jpg");
		rNavi_03_fuer_die_gesundheit_over = newImage("fileadmin/images/rnavi/rNavi_03-fuer-die-gesundhei.jpg");
		rNavi_05_bm_balance_over = newImage("fileadmin/images/rnavi/rNavi_05-bm-balance_over.jpg");
		bm_balance_over = newImage("fileadmin/images/rnavi/bm-balance-over.jpg");
		rNavi_07_bm_balance_over = newImage("fileadmin/images/rnavi/rNavi_07-bm-balance_over.jpg");
		rNavi_07_richtig_bewegt_over = newImage("fileadmin/images/rnavi/rNavi_07-richtig-bewegt_ove.jpg");
		richtig_bewegt_bm_balance_over = newImage("fileadmin/images/rnavi/richtig-bewegt-bm-balance_o.jpg");
		preloadFlag = true;
	}
}