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Frames

To remove frames:

<a href="http://www.yahoo.com" target="_top">
Remove Frames</a>

To check if the current document is loaded in a frame:

<body onLoad="if (parent.location.href != self.location.href)
    {... do something ...}; return true;">

To change the contents of two or more frames:

<a href="JavaScript:jump()">Change Frames</a>

<script language = 'JavaScript'><!--
function jump() {
    parent.frame1.location.href = 
    'http://www.yahoo.com';
    parent.frame2.location.href =  
    'http://www.altavista.digital.com/';
}
//-->
</script>

Mailto

The following mailto attributes do not currently work with Internet Explorer:

Dates

To reformat the last modified date:

<script language="JavaScript"><!--
function makeArray0() {
     for (i = 0; i<makeArray0.arguments.length; i++)
          this[i] = makeArray0.arguments[i];
}

var days = new makeArray0("Sunday","Monday","Tuesday","Wednesday",
    "Thursday","Friday","Saturday");

var months = new makeArray0('January','February','March',
    'April','May','June','July','August','September',
    'October','November','December');

function nths(day) { 
     if (day == 1 || day == 21 || day == 31)
          return 'st';
     else
          if (day == 2 || day == 22)
               return 'nd';
               if (day == 3 || day == 23)
                    return 'rd';
               else return 'th';
}

function y2k(number) { return (number < 1000) ? number 
+ 1900 : number; }

var last = document.lastModified;
var date = new Date(last);
document.write("Last updated on " + days[date.getDay()] + ' ' +
    date.getDate() + nths(date.getDate()) + " " +
    months[date.getMonth()] + ", " +
    (y2k(date.getYear())) + ".");
//--></script>

Which produces:

Last updated on Tuesday 1st May, 2001.

Refresh

To refresh the current page 10 seconds after it has loaded:

<body onLoad="window.setTimeout('RefreshScreen()',10000)">

<script language="JavaScript"><!--
function RefreshScreen()
{
     location.href = self.location.href;
}
//--></script>

Or:

<body onLoad="window.setTimeout('RefreshScreen()',10000)">

<script language="JavaScript"><!--
function RefreshScreen()
{
     history.go(0);
}
//--></script>

Alternatively use the following in the HEAD section:

<META HTTP-EQUIV="Refresh" CONTENT="10">

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