ooo i think i might be able to do one better.
if i get you right then this could be a very handy script i made.
you can see it here: http://calm.dansgalaxy.co.uk/link.php
heres that script (all PHP no Javascript in sight!)
here it is minus the design
PHP Code:
<div style="height: auto; margin: 0; width: 100%;">
<?
if($_POST['submit'])
{
$urls = array();
$urls['e1'] = "http://www.swindon-marlborough.nhs.uk";
$urls['e2'] = "http://www.cancerbackup.org.uk/";
$urls['e3'] = "http://www.ubht.nhs.uk/BCH";
$urls['e4'] = "http://www.oxfordradcliffe.nhs.uk";
$urls['e5'] = "http://www.gosh.nhs.uk";
$urls['e6'] = "http://www.clicsargent.org.uk";
$urls['e7'] = "http://www.ukccsg.org.uk";
$urls['e8'] = "http://www.act.org.uk";
$urls['e9'] = "http://www.yct.org.uk";
$urls['e10'] = "http://www.swindonweb.com/";
/*******************************************************************************************************
kids links
*******************************************************************************************************/
$urls['k1'] = "http://harrypotter.warnerbros.co.uk"; // Harry potter site
$urls['k2'] = "http://www.kidsdomain.com/";
$urls['k3'] = "http://www.beanotown.com/";
$urls['k4'] = "http://www.mrmen.com/site/flash/";
$urls['k5'] = "http://www.childrenfirst.nhs.uk/";
$urls['k6'] = "http://www.bbc.co.uk/cbbc/";
$urls['k7'] = "http://www.bbc.co.uk/cbeebies/";
$link = $_POST['link'];
$iframe_src = $urls[$link];
}
else {
$iframe_src = 'http://calm.dansgalaxy.co.uk'; //this is what shows when none is selected and on page load.
}
echo '
<form method="post" action="link.php">
<select name="link">
<optgroup label="Useful Links">
<option value="e1" '; if($link == 'e1') {echo'selected="selected"';} echo'>Swindon-Marlborough Nhs Trust</option>
<option value="e2" '; if($link == 'e2') {echo'selected="selected"';} echo'>Cancer Back-up</option>
<option value="e3" '; if($link == 'e3') {echo'selected="selected"';} echo'></option>
<option value="e4" '; if($link == 'e4') {echo'selected="selected"';} echo'></option>
<option value="e5" '; if($link == 'e5') {echo'selected="selected"';} echo'></option>
<option value="e6" '; if($link == 'e6') {echo'selected="selected"';} echo'>CLIC Sargent</option>
<option value="e7" '; if($link == 'e7') {echo'selected="selected"';} echo'></option>
<option value="e8" '; if($link == 'e8') {echo'selected="selected"';} echo'></option>
<option value="e9" '; if($link == 'e9') {echo'selected="selected"';} echo'></option>
<option value="e10" '; if($link == 'e10') {echo'selected="selected"';} echo'>Swindon Web</option>
</optgroup>
<optgroup label="Kids Links">
<option value="k1" '; if($link == 'k1') {echo'selected="selected"';} echo'>Harry Potter Site</option>
<option value="k2" '; if($link == 'k2') {echo'selected="selected"';} echo'>Kids Domain</option>
<option value="k3" '; if($link == 'k3') {echo'selected="selected"';} echo'>Beanotown</option>
<option value="k4" '; if($link == 'k4') {echo'selected="selected"';} echo'>Mr Men</option>
<option value="k5" '; if($link == 'k5') {echo'selected="selected"';} echo'>Children First</option>
<option value="k6" '; if($link == 'k6') {echo'selected="selected"';} echo'>CBBC</option>
<option value="k7" '; if($link == 'k7') {echo'selected="selected"';} echo'>CBEEBIES</option>
<option value="k8" '; if($link == 'k8') {echo'selected="selected"';} echo'></option>
</optgroup>
</select>
<input type="submit" value="Go" name="submit" />
</form>
<a href="'; echo $iframe_src; echo'" target="_blank">Open in new window</a>';
echo '<iframe src="'.$iframe_src.'" align="middle" frameborder="1" width="100%" height="700"></iframe> ';
?>
<br />
</div>
this shows a dropdown list of links (so you could have all the tutorals in that)
which the select change and it changes the iframe sec, this version also doesnt use $_GET so theres nothing like link.php?fefreuging=gt its plain old llink.php
if however you want to be able to link directly to a tutoral you just change this:
PHP Code:
$link = $_POST['link'];
$iframe_src = $urls[$link];
to this
PHP Code:
if(isset($_GET['link']))
{
$link = $_GET['link'];
}
else {
$link = $_POST['link'];
}
$iframe_src = $urls[$link];
and then if its set it will overrride the post :P
anyway there you go 
i wrote this because every one i found like this use Javascript which just dosent work for me, and often didnt work in certian browsers. so this is a 100% sure way of doing it that is 100% browser compat
Hope this helps,
Talkupation Apprieciated
if you want any help to customise it you have my addy
Dan
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