页面HTML:
代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>website Replacement Skin</title>
<meta http-equiv="Content-Type" content="text/html; charset=uft-8" />
<link rel="alternate stylesheet" href="skin/blue.css" type="text/css" media="screen" title="blue" />
<link rel="alternate stylesheet" href="skin/green.css" type="text/css" media="screen" title="green" />
<link rel="alternate stylesheet" href="skin/orange.css" type="text/css" media="screen" title="orange" />
<link rel="alternate stylesheet" href="skin/beige.css" type="text/css" media="screen" title="beige" />
<script type="text/javascript" src="js/skin.js"></script>
</head>
<body>
<div >
<span class="color blu"><a href="#" onclick="setBackgroundColor('blue');return false;" title="blue"></a></span>
<span class="color verde"><a href="#" onclick="setBackgroundColor('green');return false;" title="green"></a></span>
<span class="color arancio"><a href="#" onclick="setBackgroundColor('orange');return false;" title="orange"></a></span>
<span class="color beige"><a href="#" onclick="setBackgroundColor('beige');return false;" title="beige"></a></span>
</div>
… …
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>website Replacement Skin</title>
<meta http-equiv="Content-Type" content="text/html; charset=uft-8" />
<link rel="alternate stylesheet" href="skin/blue.css" type="text/css" media="screen" title="blue" />
<link rel="alternate stylesheet" href="skin/green.css" type="text/css" media="screen" title="green" />
<link rel="alternate stylesheet" href="skin/orange.css" type="text/css" media="screen" title="orange" />
<link rel="alternate stylesheet" href="skin/beige.css" type="text/css" media="screen" title="beige" />
<script type="text/javascript" src="js/skin.js"></script>
</head>
<body>
<div >
<span class="color blu"><a href="#" onclick="setBackgroundColor('blue');return false;" title="blue"></a></span>
<span class="color verde"><a href="#" onclick="setBackgroundColor('green');return false;" title="green"></a></span>
<span class="color arancio"><a href="#" onclick="setBackgroundColor('orange');return false;" title="orange"></a></span>
<span class="color beige"><a href="#" onclick="setBackgroundColor('beige');return false;" title="beige"></a></span>
</div>
… …
</body>
</html>
skin.js:
代码
var defaultBackgroundColor = "beige";
var currentBackgroundColor;
function setBackgroundColor(color) {
var i, a;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
a.disabled = true;
if(a.getAttribute("title") == color) a.disabled = false;
}
}
currentBackgroundColor = color;
}
function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else expires = "";
document.cookie = name + "=" + value + expires + "; path=/";
}
function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
window.onunload = function(e) {
createCookie("backgroundColor", currentBackgroundColor, 365);
}
var cookie = readCookie("backgroundColor");
var bgColor = cookie ? cookie : defaultBackgroundColor;
setBackgroundColor(bgColor);
var currentBackgroundColor;
function setBackgroundColor(color) {
var i, a;
for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
a.disabled = true;
if(a.getAttribute("title") == color) a.disabled = false;
}
}
currentBackgroundColor = color;
}
function createCookie(name,value,days) {
if (days) {
var date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
var expires = "; expires="+date.toGMTString();
}
else expires = "";
document.cookie = name + "=" + value + expires + "; path=/";
}
function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
window.onunload = function(e) {
createCookie("backgroundColor", currentBackgroundColor, 365);
}
var cookie = readCookie("backgroundColor");
var bgColor = cookie ? cookie : defaultBackgroundColor;
setBackgroundColor(bgColor);