img_anim = new Array (new Image(), new Image());
img_anim[0].src = 'img/anim0.gif';
img_anim[1].src = 'img/animation.gif';

img_narrow = new Array (new Image(), new Image());
img_narrow[0].src = 'img/narrow0.gif';
img_narrow[1].src = 'img/narrow1.gif';

function animation(attr)
{ 
	if (attr == 'out') 
	{ 
		document.images.anim.src = img_anim[0].src ;
		document.images.narrow.src = img_narrow[0].src
	};
	if (attr == 'over') 
	{
		document.images.anim.src = img_anim[1].src;
		document.images.narrow.src = img_narrow[1].src
	};
};