scroll event + onstart event

Scroll event:

<%@ page contentType="text/html; ISO-8859-1 " pageEncoding="GBK" %>
<marquee behavior="alternate"  scrollamount="1"  onbounce="cc" direction="up">
    xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
</marquee>
<script language="JavaScript">
    var i=1;
    var t=true;
    function cc() {
        var e=window.event;
        var obj=e.srcElement;
        if(i==8)
            t=false;
        if(i==1)
            t=true;
        if(t==false)
            i=i-1;
        else
i=i+1;
        obj.scrollAmout=i;            

    }
</script>

onstart event:

<<marquee onstart="pp">
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
</marquee>
<script language="javascript">
    <!--
var arrayObj = new Array{"#FF0000","#00FF00","#0000ff","#FFFF00","#00FFFF","#FF00FF"};
    var i=0;
    function pp() {
        var e =window.event;
        var obj = e.srcElement;
            obj.direction="up";
        if(i>(arrayObj.length-1))
            i=0;
        obj.style.color=arrayObj[i]

    }
        //-->
</script>

Source ReferenceJavaScriptFrom Beginner to Mastery