var nbCas = 0;
var defil;
var currentItem;
var fade = true;
window.onload = function ()
{
	nbCas = getElementsByClassName('casAnim', 'li').length;
	startShowroom()
	chgCas();
}
function chgCas( num )
{
	hideItem();
	if( num != undefined )
	{
		stopShowroom();
		currentItem = num;
	}
	else
	{
		if(currentItem < nbCas)
			currentItem++;
		else currentItem = 0;
	}
	link = $('casAnim_'+currentItem).getElementsByTagName("a")[0].href;
	$('casAnim_'+currentItem).className += " over";
	$('homeFlashImgPreview').innerHTML='<a href="'+link+'" onmouseover="stopShowroom();" onmouseout="startShowroom();"><img src="'+$('casAnim_'+currentItem).getAttribute('value')+'" alt="" /></a>';
	if( fade == true )
		new Effect.Appear('homeFlashImgPreview');
	else
		$('homeFlashImgPreview').style.display="block";
}
function hideItem()
{
	if( fade == true )
		$('homeFlashImgPreview').style.display="none";
	if( currentItem != undefined && $('casAnim_'+( currentItem ) ) != undefined )
	{
		str = $('casAnim_'+( currentItem ) ).className;
		$('casAnim_'+( currentItem ) ).className = str.replace(/ over/ig, "");
	}
}

function startShowroom() { fade=true;defil = setInterval("chgCas()", 4000); }
function stopShowroom() { fade=false;clearInterval(defil); }