var index = 2;
var FADE_TIME = 500;
var IMAGE_TIME = 3000;

$(document).ready(function() {
   
   //alert(imagesArray.length);
   startTimer();
   
   $("#linkFr").mouseover(function() {
   		$("#buttonFr").attr('src', './html_images/french_over.jpg');
   });
   $("#linkFr").mouseout(function() {
   		$("#buttonFr").attr('src', './html_images/french.jpg');
   });
   $("#linkEn").mouseover(function() {
   		$("#buttonEn").attr('src', './html_images/english_over.jpg');
   });
   $("#linkEn").mouseout(function() {
   		$("#buttonEn").attr('src', './html_images/english.jpg');
   });
   
 });
 
 function fadeImageOut(){
	$("#centralImage_1").fadeOut(FADE_TIME,onFadeEnd);
 }
 
 
 function onFadeEnd(){
 	//alert($("#centralImage_2").attr('src'));
 	$("#centralImage_1").attr('src',$("#centralImage_2").attr('src'));
	$("#centralImage_1").show();
	$("#centralImage_2").attr('src',imagesArray[index]);
	index++;
	if(index >= imagesArray.length){
		index = 0;
	}
	startTimer();
 }
 
 function startTimer(){
 	setTimeout('fadeImageOut()',IMAGE_TIME);
	
 }