+
+} // nextSlide()
+
+/**
+ * switch to previous slide
+ */
+function prevSlide()
+{
+ var prev_img = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=get_prev_slideshow_img'));
+ document.getElementById('slide_img').src = prev_img;
+
+} // prevSlide()
+
+/**
+ * interrupt slide show
+ */
+function pauseSlideShow()
+{
+ if(!sliding_paused) {
+ sliding_paused = 1;
+ clearInterval(sliding);
+ document.getElementById('pause_ico').src = web_path + "/resources/32_play.png";
+ }
+ else {
+ sliding_paused = 0;
+ sliding = setInterval("nextSlide()", sliding_time*1000);
+ document.getElementById('pause_ico').src = web_path + "/resources/32_pause.png";
+ }
+
+} // pauseSlideShow()
+
+/**
+ * start auto-browse
+ */
+function startAutoBrowse()
+{
+ if(!autobrowse) {
+ autoBrowse();
+ autobrowse = setInterval("autoBrowse()", 5000);
+ }
+ else {
+ clearInterval(autobrowse);
+ autobrowse = 0;
+ document.getElementById('autobrowse_ico').src = web_path + "/resources/32_play.png";
+ }
+
+} // startAutoBrowser()
+
+/**
+ * auto-browsing
+ */
+function autoBrowse()
+{
+ if(document.getElementById('next_link')) {
+ var next_link = document.getElementById('next_link').href;
+ window.location.href = next_link;
+ document.getElementById('autobrowse_ico').src = web_path + "/resources/32_pause.png";
+ }
+ /* we have reached the last photo */
+ else {
+ if(ab_ico = document.getElementById('autobrowse_ico'))
+ ab_ico.src = web_path + "/resources/32_play.png";
+ clearInterval(autobrowse);
+ }
+
+} // autoBrowse()
+
+/**
+ * initiate slider to modify slide-switching-speed
+ */
+function initSlider()
+{
+ var sliderEl = document.getElementById ? document.getElementById("slider-1") : null;
+ var inputEl = document.forms[0]["slider-input-1"];
+ var s = new Slider(sliderEl, inputEl);
+ s.setMinimum(1);
+ s.setMaximum(10);
+ s.setValue(sliding_time);
+ document.getElementById("current_slide_time").innerHTML = sliding_time + "s Interval";
+ s.onchange = function () {
+ sliding_time = s.getValue();
+ document.getElementById("current_slide_time").innerHTML = sliding_time + "s Interval";
+ if(!sliding_paused && sliding) {
+ clearInterval(sliding);
+ sliding = setInterval("nextSlide()", sliding_time*1000);
+ }
+ };
+ window.onresize = function () {
+ s.recalculate();
+ };
+
+} // initSlider()
+
+/**
+ * if the sort-order (photo-name, date, ...) has been
+ * changed, update the photo-index view.
+ */
+function update_sort_order(obj)
+{
+ var objTemp = new Object();
+ objTemp['value'] = obj.options[obj.selectedIndex].value;
+
+ var retr = HTML_AJAX.post(web_path + '/rpc.php?action=update_sort_order', objTemp);
+
+ if(retr == "ok") {
+ showPhotoIndex();
+ }
+ else {
+ window.alert("Server message: "+ retr);
+ }
+
+} // update_sort_order()
+
+/**
+ * handle key events
+ */
+function keyDown(e) {
+ var evt = (e) ? e:(window.event) ? window.event:null;
+
+ if(evt) {
+ var key = (evt.charCode) ? evt.charCode :
+ ((evt.keyCode) ? evt.keyCode : ((evt.which) ? evt.which : 0));
+
+
+ if(key == 37) /* left curosr */ {
+ if(document.getElementById('prev_link')) {
+ var prev_link = document.getElementById('prev_link').href;
+ window.location.href = prev_link;
+ }
+ return;
+ }
+ if(key == 38) /* up cursor */ {
+ }
+ if(key == 39) /* right curosr */ {
+ if(document.getElementById('next_link')) {
+ var next_link = document.getElementById('next_link').href;
+ window.location.href = next_link;
+ }
+ return;
+ }
+ if(key == 73 && evt.altKey && evt.ctrlKey) /* ctrl+alt+i */ {
+ showPhotoIndex();
+ return;
+ }
+ if(key == 82 && evt.altKey && evt.ctrlKey) /* ctrl+alt+r */ {
+ resetAll();
+ return;
+ }
+ }