Source of butterfly.html

<HTML>
<HEAD>
    <TITLE>Butterfly</TITLE>
    <SCRIPT TYPE="TEXT/JAVASCRIPT" LANGUAGE=JAVASCRIPT>
        <!-- Hide script from older browsers

        firstTime = true

        function moveIt() {
            if (firstTime) {
                if (document.all) {
                    maxHeight = document.body.clientHeight-40
                    maxWidth = document.body.clientWidth-40
                }
                else {
                    maxHeight = window.innerHeight-40
                    maxWidth = window.innerWidth-40
                }
                firstTime = false
            }

            if (document.all) {
                topPos = document.all.mover.style.pixelTop
                leftPos = document.all.mover.style.pixelLeft
            }
            else {
                topPos = document.mover.top
                leftPos = document.mover.left
            }

            chgXBy = Math.floor(Math.random() * 10)
            if ((halfChance() || topPos >= maxHeight) && topPos > 5) {
                topPos -= chgXBy
            }
            else { 
                topPos += chgXBy
            }

            chgYBy = Math.floor(Math.random() * 10)
            if ((halfChance() || leftPos >= maxWidth) && leftPos > 5) {
                leftPos -= chgYBy
            }
            else {
                leftPos += chgYBy
            }

            if (document.all) {
                document.all.mover.style.pixelTop = topPos
                document.all.mover.style.pixelLeft = leftPos
            }
            else {
                document.mover.top = topPos
                document.mover.left = leftPos
            }

            setTimeout("moveIt()",20)
        } 

        function halfChance() {
            if (Math.random() < .5) {
                return true
            }
            return false
        }

        // End hiding script -->
    </SCRIPT>
    <STYLE TYPE="TEXT/CSS">
        #mover {position: absolute; left: 5; top: 5;}
    </STYLE>
</HEAD>
<BODY BGCOLOR=WHITE onLoad="moveIt()">
<DIV ID="mover">
    <IMG SRC="images/butterfly.gif" WIDTH=32 HEIGHT=32>
</DIV>
</BODY>
</HTML>