var now = new Date();
var time = now.getTime();
function bg_load(img)
{
	now = new Date();
	var delay = now.getTime() - time;
	
	if (delay > 800)
	{
		new Effect.Appear(img, {
			duration: 4,
			afterFinish: function()
			{
				if ($('bg-load')) $('bg-load').hide();
			}
		});
	}
	else
		$(img).show();
}