function headerToImage(){
	$('h1').each(function() {
		var klasse = $(this).attr("class");
		if(klasse == 'active'){
			$(this).replaceWith('<img src="images/'+escape(this.innerHTML).toLowerCase()+'_active.gif" alt="'+this.innerHTML+'" title="'+this.innerHTML+'" />');
		} else
			$(this).replaceWith('<img src="images/'+escape(this.innerHTML).toLowerCase()+'_off.gif" alt="'+this.innerHTML+'" title="'+this.innerHTML+'" />');
	});
}

$(document).ready(function() {
	headerToImage(); // set header h3 to image
	$("#tright li").mouseenter(function(){
		var afb = $(this).find('img').attr("src");
		if (afb.match(/_active/i)!=null) return;
			$(this).siblings().each(function() {
				$(this).find('img').attr("src",$(this).find('img').attr("src").replace("_active","_off"));
				$(this).removeClass("active");		
			});
			$(this).find('img').attr("src",$(this).find('img').attr("src").replace("_off","_active"));
			$('#tleft .teaserafb')
				.fadeOut('slow')
				.css("display","none")
			;
			$(this).addClass("active");	
			$('#tleft .teaserafb').eq($(this).index())
				.fadeIn('slow')
			;
		});
});