function ChangeBgPic(id,mode){if(mode==1){document.getElementById(id).style.backgroundImage="url(images_layout/"+id+"a.jpg)";}else{document.getElementById(id).style.backgroundImage="url(images_layout/"+id+".jpg)";}}function ShowRoomPic(img_name){var img="images/"+img_name+".jpg";document.getElementById("zimmerbild").src=img;}