动态时钟

<script language="JavaScript" type="text/javascript">
<!--
var image_array = new Array()
image_array[0] = "colock/0.jpg"
image_array[1] = "colock/1.jpg"
image_array[2] = "colock/2.jpg"
image_array[3] = "colock/3.jpg"
image_array[4] = "colock/4.jpg"
image_array[5] = "colock/5.jpg"
image_array[6] = "colock/6.jpg"
image_array[7] = "colock/7.jpg"
image_array[8] = "colock/8.jpg"
image_array[9] = "colock/9.jpg"

var interval_id = setInterval("update_clock()",1000)

function update_clock(){

var current_time = new Date()

var current_hour = current_time.getHours()
var hour_left = Math.floor(current_hour/10)
var hour_right = current.hour % 10
document.images["hour1"].src = image_array[hour_left]
document.images["hour2"].src = image_array[hour_right]

var current_minute = current_time.getMinutes()
var minute_left = Math.floor(current_minute/10)
var minute_right = current_minute % 10
document.images["minute1"].src = image_array[minute_left]
document.images["minute2"].src = image_array[minute_right]

var current_second = current_time.getSeconds()
var second_left = Math.floor(current_second/10)
var second_right = current_second % 10
document.images["second1"].src = image_array[second_left]
document.images["second2"].src = image_array[second_right]
}
//-->
</script>

这是我以前用的代码，但我忘记了下面图片的设置方法了，请高手指点，谢谢，^_^