effetfadeout('image4');
effetfadeout('image3');


function effetlogo()
{
	setTimeout("effetfadein('image2')", 0);
	setTimeout("effetfadein('image3')", 2000);
	setTimeout("effetfadein('image4')", 4000);

	setTimeout("effetfadeout('image2')", 2200);
	setTimeout("effetfadeout('image3')", 4200);
	setTimeout("effetfadeout('image4')", 6200);
	setTimeout("effetlogo()", 6000);
}


function effetfadein(id)
{	
	
	delay=0;
		for(i=0;i<20;i++)
		{
			delay=delay+100;
			setTimeout("set_opacity('"+id+"',"+i*5+")",delay);
		}	
}

function effetfadeout(id)
{

	delay=0;
		for(i=20;i>0;i--)
		{
			delay=delay+100;
			setTimeout("set_opacity('"+id+"',"+i*5+")",delay);
		}
}

function set_opacity(id, opacity)
{
        el = document.getElementById(id);
        el.style["filter"] = "alpha(opacity="+opacity+")";
        el.style["-moz-opacity"] = opacity/100;
        el.style["-khtml-opacity"] = opacity/100;
        el.style["opacity"] = opacity/100;
        return true;
}



/* Logo */
 $(document).ready(function(){
		//$("#animpcr").hide();
		$("#truc").fadeIn(2000, function () {			  
			$("#traceslogo").fadeIn(3000, function () {
				$("#logocentre").fadeIn(6000, function () {
					$("#logocentre").append('<img id="animpcr" src="design/img/animpcr.gif" />');
					$("#animpcr").fadeIn(2500);
					$("#menusurvol").show();
				 });
			});
		});		
		
		$('.penser').mouseover(function() { $('.imgpenser').show(); } );
		$('.penser').mouseout(function() { $('.imgpenser').hide(); } );
		
		$('.concevoir').mouseover(function() { $('.imgconcevoir').show(); } );
		$('.concevoir').mouseout(function() { $('.imgconcevoir').hide(); } );
		
		$('.realiser').mouseover(function() { $('.imgrealiser').show(); } );
		$('.realiser').mouseout(function() { $('.imgrealiser').hide(); } );

});