<HTML>
<HEAD>
<TITLE>Kody znakw</TITLE>
<SCRIPT LANGUAGE="JavaScript">
var isNav = (navigator.appName == "Netscape")
var isNav4 = (isNav && parseInt(navigator.appVersion == 4))
function showCharCode() {
    if (isNav) {
        var theText = document.getSelection() 
    } else {
        var theText = document.selection.createRange().text
    }
    if (theText) {
        document.forms[0].charCodeDisplay.value = theText.charCodeAt()
    } else {
        document.forms[0].charCodeDisplay.value = " "
    }
}
function showString(form) {
    form.result.value = 
    String.fromCharCode(form.entry1.value,form.entry2.value,form.entry3.value)
}
if (isNav4) {
    document.captureEvents(Event.MOUSEUP)
}
document.onmouseup = showCharCode
</SCRIPT>
</HEAD>
<BODY>
<B>Okrelanie kodw znakw</B>
<FORM>
Zaznacz dowolny fragment tekstu i sprawd jaki jest kod pierwszego zaznaczonego 
znaku.<P>
Kod znaku:<INPUT TYPE="text" NAME="charCodeDisplay" SIZE=3><BR>
<HR>
<B>Konwersja kodw na znaki</B><BR>
Wpisz liczb  0-255:<INPUT TYPE="text" NAME="entry1" SIZE=4><BR>
Wpisz liczb  0-255:<INPUT TYPE="text" NAME="entry2" SIZE=4><BR>
Wpisz liczb  0-255:<INPUT TYPE="text" NAME="entry3" SIZE=4><BR>
<INPUT TYPE="button" VALUE="Wywietl acuch znakw" onClick="showString(this.form)">
Wyniki:<INPUT TYPE="text" NAME="result" SIZE=5>
</FORM>
</BODY>
</HTML>