<div id="point1" STYLE="position:absolute;visibility:visible;">

<table border="0" cellspacing="0" cellpadding="0">
<tr><td><a href="/">DHTML Script</a></td></tr>
<tr><td align=center><font face="Arial" size="2" color="#0000FF">Moving Up and Down</font></td></tr>
</table>

</div>

var XX=20; // X position of the scrolling objects
var xstep=1;
var delay_time=60;

//Begin of the unchangable area, please do not modify this area
var YY=0;  
var ch=0;
var oh=0;
var yon=0;
var agent = navigator.userAgent.toLowerCase();
var brw=1;
if(agent.indexOf("msie") != -1){brw=1;}
else{brw=2;}
//Copyright © 2000 Bruce M. Anderson,http://appletlib.tripod.com/
if(brw==1)
{
YY=document.body.clientHeight;
point1.style.top=YY;
}
else
{
YY=window.innerHeight;
document.point1.pageY=YY;
document.point1.visibility="hidden";
}

function reloc1()
{

if(yon==0){YY=YY-xstep;}
else{YY=YY+xstep;}
if(brw==1)
{
ch=document.body.clientHeight;
oh=point1.offsetHeight;
}
else
{
ch=window.innerHeight;
oh=document.point1.clip.height;
} 
if(YY<0){yon=1;YY=0;}
if(YY>=(ch-oh)){yon=0;YY=(ch-oh);}
if(brw==1)
{
point1.style.left=XX;
point1.style.top=YY+document.body.scrollTop;
}
else
{
document.point1.pageX=XX;
document.point1.pageY=YY+window.pageYOffset;
}

}

function onad()
{
if(brw==1){}
else{document.point1.visibility="visible";}
loopfunc();
}
function loopfunc()
{
reloc1();
setTimeout('loopfunc()',delay_time);
}

</script>

SCARICA

DHTML Script

Moving Up and Down