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<!--#set var="revision" value="\$Id: favlets.html,v 1.3 2002-09-08 19:37:41 ville Exp $"
--><!--#set var="date" value="\$Date: 2002-09-08 19:37:41 $"
--><!--#set var="title" value="Favlets For The W3C HTML Validation Service"
--><!--#set var="relroot" value="./"
--><!--#include virtual="header.html" -->
<script type="text/javascript">
<!--
var xmlhttp
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
try {
xmlhttp=new ActiveXObject("Msxml2.XMLHTTP")
} catch (e) {
try {
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP")
} catch (E) {
xmlhttp=false
}
}
@else
xmlhttp=false
@end @*/
if (!xmlhttp) {
try {
xmlhttp = new XMLHttpRequest()
} catch (e) {
xmlhttp=false
}
}
if (xmlhttp && location.hash && location.hash.substr) {
var hsh=location.hash.substr(1)
if (hsh.indexOf('http://')==0) {
url="http://validator.w3.org:8001/check?uri="+hsh+";output=xml";
xmlhttp.open("HEAD",url,true);
xmlhttp.onreadystatechange=function() {
if (xmlhttp.readyState==4) {
alert(hsh+' is '+xmlhttp.getResponseHeader('X-W3C-Validator-Status')+'\nErrors: '+xmlhttp.getResponseHeader('X-W3C-Validator-Errors'));
}
}
xmlhttp.setRequestHeader('User-Agent','Validator+Favlet');
xmlhttp.send("")
}
}
// -->
</script>
<div id="skip">
<h2><a href="http://Favlets.com/">Favlets</a>
For The Validator</h2>
<div class="intro">
<p>
Favlets are small snippets of JavaScript embedded in a Bookmark
<acronym title="Universal Resource Identifier">URL</acronym>
that allows Bookmarks in browsers do various advanced things.
Popular Favlets include variants that prompts the user for a
phrase and searches the web for that phrase, or that finds older
versions of the currently viewed page in the
<a class="offsite" title="The Internet Archive WayBack Machine"
href="http://www.archive.org/">WayBack Machine</a>.
</p>
<p>
Favlets depend on support for <code>javascript:</code>
<acronym title="Universal Resource Identifiers">URLs</acronym>
in your browser's Bookmarks feature, and each Favlet may depend on
support for a specific part of the JavaScript specification to work
properly. <acronym title="Microsoft Internet Explorer">MSIE</acronym>
versions more recent then 5.0, and Mozilla 1.0 and later — this
includes browsers using the embedded version of Mozilla, such as
Netscape 7.0 — are known to support most Favlets.
<acronym title="Microsoft Internet Explorer for Mac OS">MSIE:mac</acronym>
supports basic Favlets, but it's general support for JavaScript
may render certain advanced Favlets inoperable. Netscape 4.x is
a lost cause in this regard, and with it's poor support for standards
in general it is probably better to avoid it altogether.
</p>
</div>
<div>
<dl>
<dt>"<a href="javascript:void(location='http://validator.w3.org/check?uri='+location)"
title="Validate This Page">Validate <em>This</em> Page</a>"</dt>
<dd>
This is the basic "Validate This Page" Favlet.
It simply submits the URL for the currently viewed page to the
Validator for processing. Results appear in the same window.
</dd>
<dt>"Validate <em>This</em> Page In New Window"</dt>
<dd>
Like the last Favlet, this also submits the URL of the current
page to the Validator for processing, but this version will show
the results in a new window.
</dd>
<dt>"<a href="javascript:void(q=prompt('Validate Page:',''));if(q)void(location='http://validator.w3.org/check?uri='+escape(q))"
title="Validate Page...">Validate Page...</a>"</dt>
<dd>
Puts up a dialog with a text entry field where you can type in the
URL of a page you would like to Validate. The results appear in the
current window.
</dd>
<dt>"Validate Page In New Window..."</dt>
<dd>Same as above but shows results in a new window.</dd>
<dt>"<a href="javascript:_is=document.createElement('iframe');_is.setAttribute('src','http://validator.w3.org:8001/favlets.html#'+location.href);_is.setAttribute('height','0');_is.setAttribute('width','0');_is.setAttribute('style','border:0;');document.body.appendChild(_is);void 0"
title="Is This Page Valid?">Is <em>This</em> Page Valid?</a>"</dt>
<dd>
From the Head Of The "JavaScript Juju" Department,
<a href="http://jibbering.com/">Jim Ley</a>, comes this gem.
When invoked, this Favlet will submit the
<acronym title="Universal Resource Identifier">URL</acronym>
for the current page to the Validator for processing and pop up
a dialog that shows whether the page is Valid and how many errors
where found in the page. As with all Jim does, this Black Magic is
so deep I'm <em>afraid</em> to ask him how it works.
<q>Here There Be Dragons!</q>
</dd>
</dl>
</div>
</div>
<!--#include virtual="footer.html" -->
</body>
</html>
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