<HTML>
<HEAD>
<TITLE>Sterowanie przewijaniem - metoda scrollBy()</TITLE>
<SCRIPT LANGUAGE="JavaScript1.2">
function page(direction) {
    var pixFrame = parent.display
    var deltaY = (pixFrame.innerHeight) ? pixFrame.innerHeight : 
    pixFrame.document.body.scrollHeight
    if (direction == "up") {
        deltaY = -deltaY
    }
    parent.display.scrollBy(0, deltaY)
}
function customScroll(form) {
    parent.display.scrollBy(parseInt(form.x.value), parseInt(form.y.value))
}
</SCRIPT>
</HEAD>
<BODY>
<B>Panel sterowania do testowania metody scrollBy</B>
<FORM NAME="custom">
Podaj przesunicie okna w poziomie
<INPUT TYPE="text" NAME="x" VALUE="0" SIZE="4"> 
oraz w pionie 
<INPUT TYPE="text" NAME="y" VALUE="0" SIZE="4">
<BR>A nastpnie
<INPUT TYPE="button" VALUE="kliknij" onClick="customScroll(this.form)"> 
aby wykona metod scrollBy().<HR>
<INPUT TYPE="button" VALUE="O stron w d" onClick="page('down')">
<INPUT TYPE="button" VALUE="O stron w gr" onClick="page('up')">

</FORM>
</BODY>
</HTML>