var itemNo = 55;
window.onload = function(){
arPhotoCommentJa = new Array();
setFunc("photo-1", "onclick", "return showPhoto('1', 'jpg')");
arPhotoCommentJa[0] = "装置外観";
}
function showPhoto(photoNo, photoExtension){
getObjById("biggest").innerHTML = "![](../photo/" + itemNo + "_" + photoNo + "." + photoExtension + ")
" + arPhotoCommentJa[photoNo - 1];
return false;
}