function doFloatObject(id,startX,startY)
{
	var d = document;
	window.stayTopLeft=function()
	{
		var pY = document.body.scrollTop;
		ftlObj.y += (pY + startY - ftlObj.y)/8;
		ftlObj.sP(ftlObj.x, ftlObj.y);
		setTimeout("stayTopLeft()", 10);
	}
	ftlObj=d.getElementById("logo");
	ftlObj.sP=function(x,y){this.style.left=x;this.style.top=y;};
	ftlObj.x = startX;
	ftlObj.y = startY;
        stayTopLeft();
}

function swapImage(image,montre,source,w,h){
	 if(montre){
		image.src=source;
	 	image.width=w;
	 	image.height=h;
	 	image.style.display="block";
	} else {
	        image.style.display="none";
	}
}