The JavaScript Source: CSS : Change Style

General

Let your visitors change the style sheet on your Web site. This script will let your visitors choose between five style sheets, which you can create yourself or use the ones included.

Choose your style!

Style 1
Style 2
Style 3
Style 4
Style 5

Notes

Created by: Pascal Vyncke
Web Site: http://www.seniorennet.be
Posted: September 23, 2006

Source Code

Paste this source code into the designated areas.

External file

Paste this code into an external JavaScript file named: changeStyle.js

// These are the variables; you can change these if you want
var expDays = 9999;  // How many days to remember the setting
var standardStyle = '2'; // This is the number of your standard style sheet; this will be used when the user did not do anything.
var nameOfCookie = 'switchstyle'; // This is the name of the cookie that is used.
var urlToCSSDirectory = ''; // This is the URL to your directory where your .css files are placed on your site.  For example: http://www.seniorennet.be/URL_TO_STYLESHEET_DIRECTORY_OF_YOUR_SITE/

// These are the names of your different .css files; use the name exactly as on your Web site
var ScreenCSS_1 = 'screen_1.css';
var ScreenCSS_2 = 'screen_2.css';
var ScreenCSS_3 = 'screen_3.css';
var ScreenCSS_4 = 'screen_4.css';
var ScreenCSS_5 = 'screen_5.css';

// If you use different .css files for printing a document, you can set these.  If you don't even know what this is, name then everything exactly the same as above.
// So: make then PrintCSS_1 the same as ScreenCSS_1, for example "screen_1.css".
var PrintCSS_1 = 'print_1.css';
var PrintCSS_2 = 'print_2.css';
var PrintCSS_3 = 'print_3.css';
var PrintCSS_4 = 'print_4.css';
var PrintCSS_5 = 'print_5.css';

/***********************************************************************************************

	DO NOT CHANGE ANYTHING UNDER THIS LINE, UNLESS YOU KNOW WHAT YOU ARE DOING

***********************************************************************************************/

// This is the main function that does all the work
function switchStyleOfUser(){
	var fontSize = GetCookie(nameOfCookie);
	if (fontSize == null) {
		fontSize = standardStyle;
	}

	if (fontSize == "1") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + ' ' + ScreenCSS_1 + '" media="screen">'); }
	if (fontSize == "2") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + ScreenCSS_2 + '" media="screen">'); }
	if (fontSize == "3") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + ScreenCSS_3 + '" media="screen">'); }
	if (fontSize == "4") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + ScreenCSS_4 + '" media="screen">'); }
	if (fontSize == "5") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + ScreenCSS_5 + '" media="screen">'); }

	if (fontSize == "1") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + PrintCSS_1 + '" media="print">'); }
	if (fontSize == "2") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + PrintCSS_2 + '" media="print">'); }
	if (fontSize == "3") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + PrintCSS_3 + '" media="print">'); }
	if (fontSize == "4") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + PrintCSS_4 + '" media="print">'); }
	if (fontSize == "5") { document.write('<link rel="stylesheet" type"text/css" href="' + urlToCSSDirectory + PrintCSS_5 + '" media="print">'); }

	var fontSize = "";
	return fontSize;
}

var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

// Function to get the settings of the user
function getCookieVal (offset) {
	var endstr = document.cookie.indexOf (";", offset);
	if (endstr == -1)
	endstr = document.cookie.length;
	return unescape(document.cookie.substring(offset, endstr));
}

// Function to get the settings of the user
function GetCookie (name) {
	var arg = name + "=";
	var alen = arg.length;
	var clen = document.cookie.length;
	var i = 0;
	while (i < clen) {
		var j = i + alen;
		if (document.cookie.substring(i, j) == arg)
		return getCookieVal (j);
		i = document.cookie.indexOf(" ", i) + 1;
		if (i == 0) break;
	}
	return null;
}

// Function to remember the settings
function SetCookie (name, value) {
	var argv = SetCookie.arguments;
	var argc = SetCookie.arguments.length;
	var expires = (argc > 2) ? argv[2] : null;
	var path = (argc > 3) ? argv[3] : null;
	var domain = (argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) +
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
	((path == null) ? "" : ("; path=" + path)) +
	((domain == null) ? "" : ("; domain=" + domain)) +
	((secure == true) ? "; secure" : "");
}

// Function to remove the settings
function DeleteCookie (name) {
	var exp = new Date();
	exp.setTime (exp.getTime() - 1);
	var cval = GetCookie (name);
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

// This function is used when the user gives his selection
function doRefresh(){
	location.reload();
}

// This will call the main function.  Do not remove this, because otherwise this script will do nothing...
document.write(switchStyleOfUser());

Head

Paste this code into the HEAD section of your HTML document.


<script type="text/javascript" src="changeStyle.js"></script>

Body

Paste this code into the BODY section of your HTML document


<div align="center">
<h2>Choose your style!</h2>
<p>
<input type="radio" name="grootte" value="1" onclick="SetCookie(nameOfCookie, this.value, exp); doRefresh();"> Style 1<br>
<input type="radio" name="grootte" value="2" onclick="SetCookie(nameOfCookie, this.value, exp); doRefresh();"> Style 2<br>
<input type="radio" name="grootte" value="3" onclick="SetCookie(nameOfCookie, this.value, exp); doRefresh();"> Style 3<br>
<input type="radio" name="grootte" value="4" onclick="SetCookie(nameOfCookie, this.value, exp); doRefresh();"> Style 4<br>
<input type="radio" name="grootte" value="5" onclick="SetCookie(nameOfCookie, this.value, exp); doRefresh();"> Style 5<br>
</p>
</div>

Navigation Menu

Internet.commerce

Internet.com

Developer Channel

Great Sites

Promotions

General

Choose your style!

Notes

Source Code

External file

Head

Body

Other

User Comments

8. From: Matt Strippelhoff
CSS >> change style >> problem with directories
04/03/2008 16:03:03

6. From: Sean Ayotte
Change-Style - multiple pages
01/09/2008 13:02:52

7. From: Lee Underwood (Admin)
01/29/2008 12:45:17

5. From: Grego
05/08/2007 13:19:05

4. From: jeff
04/24/2007 20:44:07

3. From: Rick
03/08/2007 16:20:11

2. From: 3R
01/10/2007 09:05:54

1. From: Ahmed
11/24/2006 18:00:24

Whitepapers and eBooks

Webcasts

Downloads and eKits

Tutorials and Demos

Navigation Menu

Internet.commerce

Internet.com

Developer Channel

Great Sites

Promotions

General

Choose your style!

Notes

Source Code

External file

Head

Body

Other

User Comments

8. From: Matt StrippelhoffCSS >> change style >> problem with directories04/03/2008 16:03:03

6. From: Sean AyotteChange-Style - multiple pages01/09/2008 13:02:52

7. From: Lee Underwood (Admin)01/29/2008 12:45:17

5. From: Grego05/08/2007 13:19:05

4. From: jeff04/24/2007 20:44:07

3. From: Rick03/08/2007 16:20:11

2. From: 3R01/10/2007 09:05:54

1. From: Ahmed11/24/2006 18:00:24

Whitepapers and eBooks

Webcasts

Downloads and eKits

Tutorials and Demos

8. From: Matt Strippelhoff
CSS >> change style >> problem with directories
04/03/2008 16:03:03

6. From: Sean Ayotte
Change-Style - multiple pages
01/09/2008 13:02:52

7. From: Lee Underwood (Admin)
01/29/2008 12:45:17

5. From: Grego
05/08/2007 13:19:05

4. From: jeff
04/24/2007 20:44:07

3. From: Rick
03/08/2007 16:20:11

2. From: 3R
01/10/2007 09:05:54

1. From: Ahmed
11/24/2006 18:00:24