Dynamic Drive DHTML Scripts- Top-Down scrolling window script

IE5+: IE 5 and above
FF1+: Firefox 1.0+. NS6+ and FF beta are assumed as well.
Opr7+: Opera 7 and above.

Top-Down scrolling window script

Author: Dynamic Drive

Description: A scrolling window script that dynamically scrolls the window all the way to the bottom of the page, then starts all over again. Use it on presentational pages to allow surfers to sit back and just enjoy the presentation!

Demo: To better demonstrate the script, click here.

Directions

Simply insert the below anywhere inside the <body> section of the page you wish to scroll. Var "speed" deterimines the speed of the scroll. Change 1 to another number as desired.

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<script language="JavaScript1.2"> /* Top-Down scrolling window Script- © Dynamic Drive (www.dynamicdrive.com) For full source code, visit http://www.dynamicdrive.com This notice MUST stay intact for use */ //change 1 to another integer to alter the scroll speed. Greater is faster var speed=1 var currentpos=0,alt=1,curpos1=0,curpos2=-1 function initialize(){ startit() } function iecompattest(){ return (document.compatMode!="BackCompat")? document.documentElement : document.body } function scrollwindow(){ if (document.all) temp=iecompattest().scrollTop else temp=window.pageYOffset if (alt==0) alt=1 else alt=0 if (alt==0) curpos1=temp else curpos2=temp if (curpos1!=curpos2){ if (document.all) currentpos=iecompattest().scrollTop+speed else currentpos=window.pageYOffset+speed window.scroll(0,currentpos) } else{ currentpos=0 window.scroll(0,currentpos) } } function startit(){ setInterval("scrollwindow()",10) } window.onload=initialize </script>