var sSpeed = 5000; // ms
var photos = [ 
"illustr_intro01.png", 
"illustr_intro02.png", 
"illustr_intro03.png", 
"illustr_intro04.png"
];
//-------------------------------------------------------------------------
function browserLessThanIE8(){
   return (/MSIE[678]/.test(navigator.userAgent) && navigator.platform == "Win32");
}

$(document).ready(function() {
		
	var currentImg = 0;	
	//......................................................
	var ChangerImage = function() 
	{
		// image suivante
		currentImg++;
		if(currentImg == photos.length + 1)
			{currentImg = 1;}
			
		VoirImage(photos[currentImg - 1]);
		
	};
      //......................................................
  
  
  
     //......................................................
     // Fontion  VoirImage
	var VoirImage = function(photoObject, currentContainer, activeContainer) 
	{
	
		if ( $.browser.msie ) 
	{
	$("#interface_middleIntroSlideshow").fadeOut(500,function()
			{$("#interface_middleIntroSlideshow").css
                ({
                  //"top" : "231px",
                 // "background-position":"bottom right",
                  "filter" : "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='./Content/images/"+ photoObject + "')"                  
				  	      
              });
    	$("#interface_middleIntroSlideshow").fadeIn(1000);			
			}
		)
  }
	else
	{
	$("#interface_middleIntroSlideshow").fadeOut(1000,function()
			{
			$("#interface_middleIntroSlideshow").css({
			"background-image" : "url(./content/images/" + photoObject + ")",
			"background-position" : "bottom right"
			});
			$("#interface_middleIntroSlideshow").fadeIn(1000);
			
			}
		)
  }

	
	};
	//......................................................
		
	// Affichage
  	ChangerImage();
	
	// Start playing the animation
	interval = setInterval(function() {ChangerImage();}, sSpeed);
	
});