Mega Code Archive
Change font size
<![CDATA[
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<!--
Example File From "JavaScript and DHTML Cookbook"
Published by O'Reilly & Associates
Copyright 2003 Danny Goodman
-->
<html>
<head>
<title>Change font size </title>
<style rel="stylesheet" id="mainStyle" type="text/css">
html {background-color:#cccccc}
body {background-color:#eeeeee; font-family:Tahoma,Arial,Helvetica,sans-serif; font-size:12px;
margin-left:15%; margin-right:15%; border:3px groove darkred; padding:15px}
h1 {text-align:right; font-size:1.5em; font-weight:bold}
h2 {text-align:left; font-size:1.1em; font-weight:bold; text-decoration:underline}
.buttons {margin-top:10px}
</style>
<style id="normalStyle" type="text/css">
body {font-family:Verdana, Helvetica, sans-serif;
font-size:small}
#textSizer {text-align:right; display:none}
.textSize {border:1px solid black}
</style>
<style id="sizer" type="text/css" disabled="disabled">
#textSizer {display:block}
</style>
<style id="smallStyle" type="text/css" disabled="disabled">
body {font-size:xx-small}
</style>
<style id="largeStyle" type="text/css" disabled="disabled">
body {font-size:large}
</style>
<script type="text/javascript" src="../js/cookies.js"></script>
<script type="text/javascript">
// enable/disable
function setSizeStyle() {
if (document.getElementById) {
document.getElementById("sizer").disabled = false;
var styleCookie = getCookie("fontSize");
var styleIDs = ["smallStyle", "largeStyle"];
for (var i = 0; i < styleIDs.length; i++) {
if (styleCookie == styleIDs[i]) {
document.getElementById(styleIDs[i]).disabled = false;
} else {
document.getElementById(styleIDs[i]).disabled = true;
}
}
}
}
// set active style now, before content renders
setSizeStyle();
// invoked by clicking on sizer icons
function changeSizeStyle(styleID) {
setCookie("fontSize", styleID, getExpDate(180, 0, 0));
setSizeStyle();
}
</script>
</head>
<body style="background-color:#ffffff">
<h1 style="font-size:26px; font-weight:bold">User-selectable Font Sizes</h1>
<div id="textSizer">
<img src="fontSizer.jpg" height="18" width="72" alt="Font Sizer"><a
href="" onclick="changeSizeStyle('smallStyle'); return false"><img
class="textSize" src="fontSmall.jpg" height="18" width="18"
alt="Smallest" /></a><a href="" onclick="changeSizeStyle(''); return false"><img
class="textSize" src="fontMedium.jpg" height="18" width="18" alt="Default" /></a><a
href="" onclick="changeSizeStyle('largeStyle'); return false"><img
class="textSize" src="fontLarge.jpg" height="18" width="18" alt="Biggest" /></a>
</div>
<hr />
<p>Lorem ipsum dolor sit amet, consectetaur adipisicing elit, sed do eiusmod tempor
incididunt ut labore et dolore magna aliqua. Ut enim adminim veniam, quis nostrud
exercitation ullamco laboris nisi ut aliquip ex ea commodo
consequat.
</p>
</body>
</html>
]]>