function changeImage(number) {
		 $('#bld'+number).fadeIn('slow');
		 $("#banner").css("background-image","url(upload/home-bilder/home_header_110209_bld"+number+".jpg)");
}

function resetImage(number) {
		$('#bld'+number).fadeOut('slow');
   	        $("#banner").css("background-image","url(upload/home-bilder/home_header_110209.jpg)");
}