// ISF1.11 :: Image swap-fade 
// *****************************************************
// DOM scripting by brothercake -- http://www.brothercake.com/
//******************************************************
//global object
var isf = { 'clock' : null, 'fade' : true, 'count' : 1 }
var ennt = 0;
/*******************************************************



/*****************************************************************************
 List the images that need to be cached
*****************************************************************************/

isf.imgs = [
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-0.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-1.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-2.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-3.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-4.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-5.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-6.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-7.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-8.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-9.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-10.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-11.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-12.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-13.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-14.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-15.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-16.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-17.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-18.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-19.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-20.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-21.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-22.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-23.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-24.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-25.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-26.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-27.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-28.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-29.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-30.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-31.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-32.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-33.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-34.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-35.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-36.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-37.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-38.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-39.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-40.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-41.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-42.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-43.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-44.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-45.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-46.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-47.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-48.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-49.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-40.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-41.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-42.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-43.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-44.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-45.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-46.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-47.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-48.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-49.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-50.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-51.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-52.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-53.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-54.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-55.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-56.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-57.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-58.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-59.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-60.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-61.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-62.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-63.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-64.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-65.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-66.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-67.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-68.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-69.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-70.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-71.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-72.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-73.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-74.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-75.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-76.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-77.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-78.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-79.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-80.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-81.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-82.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-83.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-84.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-85.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-86.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-87.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-88.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-89.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-90.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-91.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-92.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-93.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-94.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-95.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-96.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-97.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-98.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-99.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-100.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-101.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-102.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-103.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-104.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-105.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-106.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-107.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-108.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-109.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-110.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-111.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-112.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-113.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-114.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-115.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-116.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-117.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-118.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-119.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-120.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-121.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-122.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-123.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-124.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-125.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-126.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-127.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-128.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-129.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-130.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-131.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-132.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-133.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-134.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-135.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-136.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-137.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-138.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-139.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-140.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-141.jpg',
	'http://www.cdefi.fr/images/defilementlogo/logo/logo-142.jpg',
	];

/*****************************************************************************
*****************************************************************************/



//cache the images
isf.imgsLen = isf.imgs.length;
isf.cache = [];
for(var i=0; i<isf.imgsLen; i++)
{
	isf.cache[i] = new Image;
	isf.cache[i].src = isf.imgs[i];
}

function boucleimages(){
{	
timert = setInterval("swapfade(document.getElementById('logo_qui_defile'),isf.imgs[Math.floor(Math.random()*143)],'1')",3000);

}
};
//swapfade setup function
function swapfade()
{
	//if the timer is not already going
	if(isf.clock == null)
	{
		//copy the image object 
		isf.obj = arguments[0] ;
		
		//copy the image src argument 
		isf.src = arguments[1];
		
		//store the supported form of opacity
		if(typeof isf.obj.style.opacity != 'undefined')
		{
			isf.type = 'w3c';
		}
		else if(typeof isf.obj.style.MozOpacity != 'undefined')
		{
			isf.type = 'moz';
		}
		else if(typeof isf.obj.style.KhtmlOpacity != 'undefined')
		{
			isf.type = 'khtml';
		}
		else if(typeof isf.obj.filters == 'object')
		{
			//weed out win/ie5.0 by testing the length of the filters collection (where filters is an object with no data)
			//then weed out mac/ie5 by testing first the existence of the alpha object (to prevent errors in win/ie5.0)
			//then the returned value type, which should be a number, but in mac/ie5 is an empty string
			isf.type = (isf.obj.filters.length > 0 && typeof isf.obj.filters.alpha == 'object' && typeof isf.obj.filters.alpha.opacity == 'number') ? 'ie' : 'none';
		}
		else
		{
			isf.type = 'none';
		}
		
		//change the image alt text if defined
		if(typeof arguments[3] != 'undefined' && arguments[3] != '')
		{
			isf.obj.alt = arguments[3];
		}
		
		//if any kind of opacity is supported
		if(isf.type != 'none')
		{
			//copy and convert fade duration argument 
			//the duration specifies the whole transition
			//but the swapfade is two distinct transitions
			isf.length = parseInt(arguments[2], 10) * 500;
			
			//create fade resolution argument as 20 steps per transition
			//again, split for the two distrinct transitions
			isf.resolution = parseInt(arguments[2], 10) * 10;
			
			//start the timer
			isf.clock = setInterval('isf.swapfade()', isf.length/isf.resolution);
		}
		
		//otherwise if opacity is not supported
		else
		{
			//just do the image swap
			isf.obj.src = isf.src;
		}
		
	}
;
};


//swapfade timer function
isf.swapfade = function()
{
	//increase or reduce the counter on an exponential scale
	isf.count = (isf.fade) ? isf.count * 0.9 : (isf.count * (1/0.9)); 
	
	//if the counter has reached the bottom
	if(isf.count < (1 / isf.resolution))
	{
		//clear the timer
		clearInterval(isf.clock);
		isf.clock = null;

		//do the image swap
		isf.obj.src = isf.src;

		//reverse the fade direction flag
		isf.fade = false;
		
		//restart the timer
		isf.clock = setInterval('isf.swapfade()', isf.length/isf.resolution);

	}
	
	//if the counter has reached the top
	if(isf.count > (1 - (1 / isf.resolution)))
	{
		//clear the timer
		clearInterval(isf.clock);
		isf.clock = null;

		//reset the fade direction flag
		isf.fade = true;
		
		//reset the counter
		isf.count = 1;
	}

	//set new opacity value on element
	//using whatever method is supported
	switch(isf.type)
	{
		case 'ie' :
			isf.obj.filters.alpha.opacity = isf.count * 100;
			break;
			
		case 'khtml' :
			isf.obj.style.KhtmlOpacity = isf.count;
			break;
			
		case 'moz' : 
			//restrict max opacity to prevent a visual popping effect in firefox
			isf.obj.style.MozOpacity = (isf.count == 1 ? 0.9999999 : isf.count);
			break;
			
		default : 
			//restrict max opacity to prevent a visual popping effect in firefox
			isf.obj.style.opacity = (isf.count == 1 ? 0.9999999 : isf.count);
	}
}