function prevImage(){unsetCur(cur);if(cur>0){cur--}else{cur=ImageList.length-1}setImage(cur)}function nextImage(){unsetCur(cur);if(cur==ImageList.length-1){cur=0}else{cur++}setImage(cur)}function unsetCur(a){var b=$("link"+a);if(b.hasClassName("current")){b.removeClassName("current")}}function setCur(a){var b=$("link"+a);if(!b.hasClassName("current")){b.addClassName("current")}cur=a;$("fotofile").src=staticPath+"/"+ImageList[cur][0];$("fototitel").innerHTML=ImageList[cur][1]}function setImage(a){unsetCur(cur);setCur(a)};