var i01= new Image();
var s01= new Image();

i01.src="/images/1.gif";
s01.src="/images/1_.gif";

var i02= new Image();
var s02= new Image();

i02.src="/images/2.gif";
s02.src="/images/2_.gif";

var i03= new Image();
var s03= new Image();

i03.src="/images/3.gif";
s03.src="/images/3_.gif";

var i04= new Image();
var s04= new Image();

i04.src="/images/4.gif";
s04.src="/images/4_.gif";

var i05= new Image();
var s05= new Image();

i05.src="/images/5.gif";
s05.src="/images/5_.gif";