+ return HTML_AJAX.grab(encodeURI('rpc.php?action=what_to_do'));
+}
+
+function init_phpfspot(mode)
+{
+ /* always load list of available tags */
+ refreshAvailableTags();
+
+ /* ask the server what we are currently displaying */
+ whattodo = AskServerWhatToDo();
+
+ if(whattodo == 'showpi' || whattodo == 'showpi_date') {
+ showPhotoIndex();
+ }
+ if(whattodo == 'showpi_tags') {
+ refreshSelectedTags();
+ showPhotoIndex();
+ }
+ if(whattodo == 'show_photo') {
+ if(photo = getPhotoToShow()) {
+ showImage(photo);
+ refreshSelectedTags();
+ }
+ }
+} // init_phpfspot()
+
+function setBackGrdColor(item, color)
+{
+ if(color == 'mouseover')
+ item.style.backgroundColor='#c6e9ff';
+ if(color == 'mouseout')
+ item.style.backgroundColor='#eeeeee';
+ if(color == 'mouseclick')
+ item.style.backgroundColor='#93A8CA';
+}
+
+function getPhotoToShow()
+{
+ // update selected tags
+ var photo_to_show = HTML_AJAX.grab(encodeURI('rpc.php?action=get_photo_to_show'));
+
+ // if no image needs to be shown, return false from here
+ if(photo_to_show == "")
+ return false;
+
+ return photo_to_show;
+}
+
+function zoom(mod)
+{
+ var photo;
+
+ if(mod == undefined)
+ return;
+
+ /* internet explorer */
+ if(document.images['photo'].width)
+ photo = document.images['photo'];
+
+ /* all others */
+ if(photo == undefined && document.getElementById('photo').width)
+ photo = document.getElementById('photo');
+
+ if(photo != undefined) {
+
+ if(origWidth == undefined)
+ origWidth = photo.width;
+ if(origHeight == undefined)
+ origHeight = photo.height;
+
+ if(mod != 0) {
+ new_w = photo.width * (1 + mod/100);
+ new_h = photo.height * (1 + mod/100);
+ photo.width = new_w;
+ photo.height = new_h;
+
+ if(photo_details_pos == undefined) {
+ photo_details_pos = findPos(document.getElementById('photo_details'),'left');
+ }
+
+ if((photo.offsetLeft + new_w) >= photo_details_pos-20) {
+ hidePhotoDetails('true');
+ }
+ else {
+ hidePhotoDetails('false');
+ }
+ }
+ else {
+ photo.width = origWidth;
+ photo.height = origHeight;
+ hidePhotoDetails('false');
+ }
+ }
+
+} // zoom()
+
+function hidePhotoDetails(mode)
+{
+ var photo_details;
+
+ if(photo_details = document.getElementById('photo_details')) {
+ if(mode == 'true') {
+ photo_details.style.visibility = 'hidden';
+ photo_details.style.display = 'none';
+ }
+ else {
+ photo_details.style.visibility = 'visible';
+ photo_details.style.display = '';
+ }
+ }
+} // hidePhotoDetails()
+
+function showCalendar(date_box, click_obj)
+{
+ var calendar = document.getElementById('calendar');
+ var year = document.getElementById(date_box+'year').value;
+ var month = document.getElementById(date_box+'month').value;
+ if(date_box == 'from') {
+ var xpos = document.getElementById('frompic').offsetLeft;
+ var ypos = document.getElementById('frompic').offsetTop;
+ calendar_mode = 'from';
+ }
+ if(date_box == 'to') {
+ var xpos = document.getElementById('topic').offsetLeft;
+ var ypos = document.getElementById('topic').offsetTop;
+ calendar_mode = 'to';
+ }
+ calendar.style.left = xpos + 100 + 'px';
+ calendar.style.top = ypos + 80 + 'px';
+
+ if(calendar.style.visibility == "" || calendar.style.visibility == 'hidden') {
+ calendar.style.visibility = 'visible';
+ calendar.innerHTML = "Loading...";
+ calendar.innerHTML = HTML_AJAX.grab(encodeURI('rpc.php?action=get_calendar_matrix&year=' + year + '&month=' + month));
+ calendar_shown = 1;
+ }
+ else {
+ hideCalendar();
+ }
+}
+
+function hideCalendar()
+{
+ var calendar = document.getElementById('calendar');
+ if(calendar.style.visibility != 'hidden') {
+ calendar.style.visibility = 'hidden';
+ calendar_shown = 0;
+ }
+}
+
+function setMonth(year, month, day)
+{
+ var calendar = document.getElementById('calendar');
+ calendar.innerHTML = "Loading...";
+ calendar.innerHTML = HTML_AJAX.grab(encodeURI('rpc.php?action=get_calendar_matrix&year='+ year +'&month='+ month +'&day='+ day));
+}
+
+function setCalendarDate(year, month, day)
+{
+ document.getElementById(calendar_mode+'year').value = year;
+ document.getElementById(calendar_mode+'month').value = month;
+ document.getElementById(calendar_mode+'day').value = day;
+ hideCalendar();
+}
+
+function resetAll()
+{
+ HTML_AJAX.grab(encodeURI('rpc.php?action=reset'));
+ clearSearch();