added optional callback after subtitles have been loaded

jquery.srt.js

@@ -65,7 +65,7 @@
         }
       }
     }
-    
+    opts.subtitlesLoaded(subtitles);
     var currentSubtitle = -1;
 
     var ival = setInterval(function() {
@@ -80,7 +80,7 @@
       }
       if(subtitle > 0) {
         if(subtitle != currentSubtitle) {
-          opts.showSubtitle(subtitles[subtitle].t, subtitleElement);
+          opts.showSubtitle(subtitles[subtitle], subtitleElement);
 //          subtitleElement.html(subtitles[subtitle].t);
           currentSubtitle=subtitle;
         } else if(subtitles[subtitle].o < currentTime) {
@@ -91,10 +91,12 @@
     }, opts.interval);
   }
 
-  function showSubtitle(txt, elem) {
-    elem.html(txt);
+//default function to show subtitle
+  function showSubtitle(sub, elem) {
+    elem.html(sub.t);
   }
 
+//default function to hide subtitle
   function hideSubtitle(elem) {
     elem.html('');
   }
@@ -106,7 +108,8 @@
       'id': that.attr('data-video'),
       'url': that.attr('data-srt'),
       'showSubtitle': showSubtitle,
-      'hideSubtitle': hideSubtitle
+      'hideSubtitle': hideSubtitle,
+      'subtitlesLoaded': $.noop
       }, o);
     this.each(function() {
       var subtitleElement = $(this);