var hotNo = 20;
var hotHeight = 23;
var curTop = 0;
var minTop;
minTop = - hotHeight * hotNo;

function moveHot() {
	curTop -= hotHeight;
	if(curTop == minTop) { curTop = 0; $("#listBox").css("marginTop", "0px"); }
	$("#listBox").animate({marginTop:curTop}, "slow");

	setTimeout("moveHot()", 3000);
}

$(document).ready(function(){
	setTimeout("moveHot()", 3000);
});