// Javascript from Moodle modules
<?php    
/**
 * podcaster javascript
 *
 * @author  Humboldt Universitaet zu Berlin
 *            Christoph Soergel <christoph.soergel@cms.hu-berlin.de>
 * @version 1.0
 * @package podcaster
 *
 **/
if (!defined('MOODLE_INTERNAL')) {
  die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
}
?>
<!--
//
function repository_openpopup(url,name,options,fullscreen) {
  fullurl = url;
  windowobj = window.open(fullurl,name,options);
  if (fullscreen) {
     windowobj.moveTo(0,0);
     windowobj.resizeTo(screen.availWidth,screen.availHeight);
  }
  windowobj.focus();
  return false;
}
// -->
var slideNo=-1;
var currentSlideNo=0;
var autoSync = false;

<!-- TabView -->
var tabView = new YAHOO.widget.TabView("tabset");

<!--goto next slide -->
function gotoNextSlide(){
	if(numberOfSlides!=slideNo){
		slideNo += 1;
		displaySlide();
	}else{
		alert("Slide Show Ends!");
	}	
}

<!-- goto previous slide -->
function gotoPrevSlide(){
	if(slideNo > 1){
		slideNo -= 1;
		displaySlide();
	}else{
		alert("We are at the first slide!");
	}
}

<!-- goto first slide -->
function gotoFirstSlide(){
	if(slideNo != 1){
		slideNo= 1;
		displaySlide();
	}else{
		alert("Already on the first slide!");
	}
}

<!-- goto first slide -->
function gotoLastSlide(){
	if(slideNo != numberOfSlides){
		slideNo=numberOfSlides;
		displaySlide();
	}else{
		alert("Already on the last slide!");
	}
}

function displaySlide(){
	var slide= slidePath+"Slide"+slideNo+".JPG";
	var FO = {	movie:slide,width:600,height:450,majorversion:"7",build:"0",bgcolor:"#FFFFFF"};
	UFO.create(	FO, "slide-show");	
}

<!-- Trig Auto Sync -->
function trigAutoSync(){
	autoSync= document.getElementById('autosync').checked;
	checkAutoSync();
}

<!-- Handle Presenters Auto Sync -->
function checkAutoSync(){
	clearMsg();
	if(autoSync){
		if(currentSlideNo!=slideNo) syncSlide();
	}
	setTimeout('checkAutoSync()',1000);
}

<!-- Clear Messages -->
function clearMsg(){
	document.getElementById('slide-nav').innerHTML= '';
}

<!-- Async Calls -->

var handleGetSuccess = function(o){
	if(o.responseText !== undefined){
		currentSlideNo = o.responseText;
	}
}

var handleGetFailure = function(o){
	if(o.responseText !== undefined){
		document.getElementById('currentslide').innerHTML= 'Error: '+o.statusText;
	}
}

var callbackGet =
{
	success:handleGetSuccess,
	failure:handleGetFailure,
	argument: { param:"param", bar:"bar" }
};

<!-- Async Call the server to update the current slide number -->
var handleSetSuccess = function(o){
	if(o.responseText !== undefined){
		document.getElementById('slide-nav').innerHTML= 'The Global Current Slide Changed';
		currentSlideNo = slideNo;
	}
}

var handleSetFailure = function(o){
	if(o.responseText !== undefined){
		alert('Updating the status failed:'+o.statusText);
	}
}

var callbackSet =
{
	success:handleSetSuccess,
	failure:handleSetFailure,
	argument: { param:"param", bar:"bar" }
};

var callbackResetPr = {
  success: function(o) {
    alert(o.responseText);
  }
}