var fade_out = true;
var fade_timer = 0;

function fSlideShow()
{
	if (fade_out)
	{
		var foo = dojo.fadeOut({
			node: dojo.byId('top_img1_area'),
			duration:1000,
			onEnd: function() {
				dojo.byId('top_img1').style.display = 'block';
			}
		});
		foo.play();
	}
	else
	{
		var foo = dojo.fadeIn({
			node: dojo.byId('top_img1_area'),
			duration:1000
		});
		foo.play();
	}
	fade_out = ! fade_out;
	window.setTimeout ("fSlideShow()", 5000);
}