<html>
<head>
<script language ="JavaScript">
<!--
var myPix = new Array("bluetile.gif","tomcat.gif","goodluck.gif","book.gif")
var thisPic = 0
var len=myPix.length
function doPrevious() {
    if (document.images)  {
       if(thisPic>0){ thisPic--}
       else {thisPic=len-1}
        document.myPicture.src=myPix[thisPic]
    }
}

function doNext() {
    if (document.images) {
        thisPic=(thisPic+1)%len
        document.myPicture.src=myPix[thisPic]
    }
timerID=setTimeout("doNext()",1000)
}
//-->
</script>
</head>
<body onload="doNext()">

<p align="center"><img name="myPicture" src="bluetile.gif" width="400" height="300">
 

</body>
</html>