function aufblenden(themenu, start, maximg, aktimg) {
	var theelement = String('' + themenu + '_' + aktimg);
	document.getElementById(theelement).style.opacity = start/100;
	document.getElementById(theelement).style.filter = 'alpha(opacity: ' + start + ')';
	if(start<=95) {
		setTimeout("aufblenden('" + themenu + "', " + (start+5) + "," +  maximg +", " + aktimg + ")",100);
	} else {
		setTimeout("abblenden('" + themenu + "', 100, " +  maximg +", " + aktimg + ")",5000);
	}
}
function abblenden(themenu, start, maximg, aktimg) {
	var theelement = String('' + themenu + '_' + aktimg);
	document.getElementById(theelement).style.opacity = start/100;
	document.getElementById(theelement).style.filter = 'alpha(opacity: ' + start + ')';
	if(start>=5) {
		setTimeout("abblenden('" + themenu + "', " + (start-5)  + "," +  maximg +", " + aktimg + ")",100);
	} 
	if(start==30) {
		if(aktimg==maximg) {
			aktimg = 1;
		} else {
			aktimg = aktimg +1;
		}
//setTimeout("aufblenden('" + theelement + "', 0)",2000);
		aufblenden(themenu, 0, maximg, aktimg);
	}
}
function unsichtbar(themenu, start, stop) {
	for(i=start; i<=stop; i++) {
		var theelement = String('' + themenu + '_' + i);
		document.getElementById(theelement).style.opacity = 0.0;
		document.getElementById(theelement).style.filter = 'alpha(opacity: 0)';
	}
}