function diaporama(){
		var diap = $('.diaporama');
		    diap.find("li.active").fadeOut(1000);
		    if(!diap.find("li.active").is(":last-child"))
		    {
			    diap.find("li.active").next().addClass("active").prev().removeClass("active");
		        diap.find("li.active").fadeIn(1000);
		    }
		    else
		    {
		        diap.find("li:first-child").addClass("active").fadeIn(1000);
		        diap.find("li:last-child").removeClass("active");
		    }
	}
			
	$(document).ready(function(){				
		var diap = $('.diaporama');
		if(diap.find("li").length > 1){
		    diap.find("li").hide();
		    diap.find("li:first-child").addClass("active").fadeIn(1000);
			anim = setInterval("diaporama()",3000);
		}

		window.onblur = function(){
			  clearInterval(anim);
			  anim="";
		}  

		window.onfocus = function(){
			  if(anim=="") anim=setInterval("diaporama()",3000);
			}
		
	 
	});