Passwortabfrage nach klick

<script LANGUAGE="JavaScript">
function dialog3() {
        var stop ="ende"
        stop = prompt("Der String \'ende\' beendet diese Schleife.","")
        while (stop != "ende")     {
               stop = prompt("Um diese Schleife zu beenden, geben Sie \'ende\' ein.","")
        }       
        alert("Die Schleife ist nun beendet.")
}
//-->
</script>
<form>
  <div align="center"><center><p><font face="Times New Roman">
<input TYPE="BUTTON" VALUE=" Hier drücken " onClick="dialog3()"> </font></p>
  </left></div>
</form>


Ein Kalender, der Termine und Reminder in Cookies speichert

<script language="javascript" src="cengine.js"></script> 
<script language="javascript" src="other_scripts.js"></script> 
<SCRIPT LANGUAGE="JavaScript"> 

<!-- Begin 
var mo = ""; 
var year = ""; 
var currentmonth = today.getMonth(); 
var currentyear = today.getFullYear(); 
//cookies are not found 
if(document.cookie == "") { 
mo = today.getMonth(); 
year = today.getFullYear(); 
} 
else { 
mo = getCookie('whichmonth'); 
//correct cookie is NOT set 
if(mo == null) { 
mo = today.getMonth(); 
year = today.getFullYear(); 
//alert number of reminders to user 
alertReminders(); 
} 
//correct cookie is set 
else { 
mo = getCookie('whichmonth'); 
year = getCookie('whichyear'); 
   } 
} 
//set a session cookie 
setCookie('whichmonth',mo); 
setCookie('whichyear', year); 
//backup one month and refresh 
function backup() { 
//check for a new year being set 
if(mo > 0) { 
mo--; 
} else { 
mo = 11; 
//check for 19** 
if(year == 2000) { 
year = 1999; 
} else if(year <= 1999) { 
syear = year.substring(2,year.length); 
syear--; 
year = "19" + syear; 
Number(year); 
} 
else { 
year--; 
   } 
} 
setCookie('whichmonth',mo); 
setCookie('whichyear', year); 
//check for open child windows and close. 
if(child && !child.closed) { 
child.close(); 
} 
document.location="calendar.html"; 
} 
//go forward one month and refresh 
function stepup() { 
//check for a new year being set 
if(mo <  11) { 
mo++; 
} 
else { 
mo = 0; 
year++; 
} 
setCookie('whichmonth',mo); 
setCookie('whichyear', year); 
//check for open child windows and close. 
if(child && !child.closed) { 
child.close(); 
} 
document.location="calendar.html"; 
} 
//first starting day of month 
var first = months[mo] + " 01, " + year; 
firstday = new Date(first); 
startday = firstday.getDay(); 
//variable for day count 
var count = 1; 
//variables for leap year 
var factor = startday - 1; 
var endday = parseInt(monthlen[mo]) + factor; 
var calbg = "#666666"; 
var calwidth = "80%"; 
var twidth = "14%"; 
var theight = "70"; 
var monthbg = "#000000"; 
var monfam = "verdana,arial,helvetica"; 
var monsize = "3" 
var moncol = "#ffffff" 
var weekbg = "#eeeeee"; 
var weekfam = "verdana,arial,helvetica"; 
var weeksize = "2"; 
var weekcol = "#ff0000"; 
var daybg = "#eeeeee"; 
var dayfam = "verdana,arial,helvetica"; 
var daysize = "1"; 
var daycol = "#000000"; 
var sdaycol = "#ff0000"; 
var calendar = ""; 
calendar =  "<table bgcolor='" + calbg + "' width='" + calwidth + "' border='0' cellpadding='1' cellspacing='0'>"; 
calendar += "<tr>"; 
calendar += "<td align='center'>"; 

<!-- Month Starts Here --> 
calendar += "<table width='100%' border='0' cellpadding='3' cellspacing='0'>"; 
calendar += "<tr>"; 
calendar += "<td align='center'> <a href='javascript:backup();'><font color='#ffffff'><b><<</b></font></a> </td>"; 
calendar += "<td width='100%' bgcolor='" + monthbg + "' align='center'><font face='" + monfam + "' size=" + monsize + " color=" + moncol + "><b>"; 
calendar += "<a href='javascript://' onclick='open_all(\"all_reminders.html\");'><font color='#ffffff'>" + months[mo] + ", " + year + "</font></a>"; 
calendar += "</b></font></td>"; 
calendar += "<td align='center'> <a href='javascript:stepup();'><font color='#ffffff'><b>>></b></font></a> </td>"; 
calendar += "</tr>"; 
calendar += "</table>"; 
<!-- Month Ends Here --> 

calendar += "</td>"; 
calendar += "</tr>"; 
calendar += "<tr>"; 
calendar += "<td align='center'>"; 

<!-- Week Starts Here --> 
calendar += "<table width='100%' border='0' cellpadding='3' cellspacing='0'>"; 
calendar += "<tr>"; 
for(i = 0; i < 7; i++) { 
calendar += "<td width='" + twidth + "' bgcolor='" + weekbg + "' align='center' valign='middle'><font face='" + weekfam + "' size=" + weeksize + " color=" + weekcol + "><b>"; 
calendar += days[i]; 
calendar += "</b></font></td>"; 
} 
calendar += "</tr>"; 
calendar += "</table>"; 
<!-- Week Ends Here --> 

calendar += "</td>"; 
calendar += "</tr>"; 
calendar += "<tr>"; 
calendar += "<td align='center'>"; 

<!-- Day Starts Here --> 
calendar += "<table width='100%' border='0' cellpadding='2' cellspacing='1'>"; 
calendar += "<tr>"; 
if(startday > 0) { 
for(empty = 0; empty < startday; empty++) { 
calendar += "<td width='" + twidth + "' height='" + theight + "'> </td>"; 
   } 
} 
for(i = startday; i <= endday; i++) { 
if( (i % 7) == 0) { 
calendar += "</tr><tr>"; 
} 
//keep highlight info on the current month and day 
if( (i - (startday - 1)) == dt && currentmonth == mo && currentyear == year) { 
calendar += "<td width='" + twidth + "' height='" + theight + "' bgcolor='" + daybg + "' align='right' valign='top'><font face='" + dayfam + "' size=" + daysize + "><b>"; 
calendar += "<a href='javascript://' onclick=javascript:open_window('day_scheduler.html?" + months[mo] + "&" + count + "',300,350,0,1);><font color=" + sdaycol + ">" + count + "</font></a>"; 
if(currentmonth == mo && currentyear == year && document.cookie) { 
var isremind = getCookie(months[mo] + count); 
if(isremind) { //if a reminder exists for this day 
isremind = isremind.split("|"); 
calendar += "<p><div align='center'><img src='reminder.gif' width='11' height='11' alt='you have " + isremind.length + " reminder(s)'></div>"; 
   } 
} 
calendar += "</b></font></td>"; 
} 
else { 
calendar += "<td width='" + twidth + "' height='" + theight + "' bgcolor='" + daybg + "' align='right' valign='top'><font face='" + dayfam + "' size=" + daysize + ">"; 
calendar += "<a href='javascript://' onclick=javascript:open_window('day_scheduler.html?" + months[mo] + "&" + count + "',300,350,0,1);><font color=" + daycol + ">" + count + "</font></a>"; 
if(document.cookie) { //allows reminders to be displayed on other months 
var isremind = getCookie(months[mo] + count); 
if(isremind) { //if a reminder exists for this day 
isremind = isremind.split("|"); 
calendar += "<p><div align='center'><img src='reminder.gif' width='11' height='11' alt='you have " + isremind.length + " reminder(s)'></div>"; 
   } 
} 
calendar += "</font></td>"; 
} 
count++; 
} 
calendar += "</tr>"; 
calendar += "</table>"; 
<!-- Day Ends Here --> 

calendar += "</td>"; 
calendar += "</tr>"; 
calendar += "</table>"; 
function open_all(url) { 
child = window.open(url,"allreminders", "width=430,height=400,resizable=0,scrollbars=1"); 
} 
function alertReminders() { 
var alertit = getCookie(months[today.getMonth()] + dt); 
if(alertit != null) { 
alertit = alertit.split("|"); 
//write out reminders into a string for display 
textit = "  1. " + alertit[0]; 
for(var i = 1; i < alertit.length; i++) { 
textit += "\n  " + (i + 1) + ". " + alertit[i]; 
} 
//alert user of number of reminders for which day and display those reminders 
alert("You have " + alertit.length + " reminder(s) for " + months[today.getMonth()] + " " + dt + ".\n\n" + textit); 
   } 
} 
//  End --> 
</script>

zwischen <BODY> und </BODY> 
<div align="center"> 
<table width="80%"> 
<tr> 
<td align="right"><a href="javascript://" onclick="open_window('help_file.html',300,350,0,1);"><font face="verdana,arial,helvetica" size="2">help file</font></a></td> 
</tr> 
</table> 
<script language="javascript"> 
<!-- 
document.write(calendar); 
if(child && !child.closed) { 
child.focus(); 
} 
//--> 
</script> 
</div>


Ein Cookie merkt sich den Namen des Besuchers und begrüßt ihn beim nächsten Seitenaufruf damit

<script language="JavaScript"> 
<!-- 
  LIVEDAYS=90; 
  function set_cookie(name, value) { 
    document.cookie=name+"="+escape(value)+"; EXPIRES="+cookie_live(); 
  } 
  function cookie_live() { 
    var date=new Date(); 
    date.setDate(date.getDate()+LIVEDAYS); 
    var gmt=date.toGMTString(); 
    var k1=gmt.indexOf(" "); 
    var k2=gmt.indexOf(" ", k1+1); 
    var k3=gmt.indexOf(" ", k2+1); 
    var str=gmt.substring(0,k2)+"-"+gmt.substring(k2+1,k3)+"-"+gmt.substring(k3+3,gmt.length); 
    return str; 
  } 
  function get_cookie(name) { 
    var value=null; 
    if(document.cookie != "") { 
      var kk=document.cookie.indexOf(name+"="); 
      if(kk >= 0) { 
        kk=kk+name.length+1; 
        var ll=document.cookie.indexOf(";", kk); 
        if(ll < 0)ll=document.cookie.length; 
        value=document.cookie.substring(kk, ll); 
        value=unescape(value); 
      } 
    } 
    return value; 
  } 
//--> 
</script> 
<script language="JavaScript"> 
<!-- 
  anrede=get_cookie("anrede"); 
  if(anrede == null) { 
    anrede=prompt("Wie soll ich Sie anreden ?"); 
    if(anrede == null || anrede == "") { 
      anrede="(unbekannter User)"; 
    } else { 
      set_cookie("anrede", anrede); 
    } 
  } 
  document.write(anrede); 
//--> 
</script>.