prizvel,
<!DOCTYPE HTML>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
body{
height: 1000px;
}
button{
position: fixed;
bottom: 0
}
</style>
</head>
<body>
<script>
var timer;
function Scrolling(x, y) {
window.scrollBy(x,y)
timer = setTimeout(function() {
Scrolling(x, y)
} ,80) }
function ScrollingOFF() {
window.clearTimeout(timer)
}
window.scrollBy(0,1000)
</script>
------------------------------------------------------
<button onkeydown="Scrolling(0, -10)" onkeyup="ScrollingOFF()">крутить enter</button>
-работает через кнопку
<button onmousedown="Scrolling(0, -10)" onmouseup="ScrollingOFF()">крутить mouse</button> -не работает
</body>
</html>