Alterando o plano de fundo com base na hora do dia (usando javascript)
Ok, tenho dois .jpgs de plano de fundo diferentes que quero usar como backgroud, dependendo da hora do dia. Quero o fundo ensolarado das 7h às 20h e o fundo noturno das 20h às 7h.
Estou trabalhando em um arquivo html remoto e tenho os planos de fundo e os gráficos armazenados em um servidor separado do arquivo html real. A maior parte do css está no arquivo html, exceto na seção body, que contém o código de plano de fundo que eu separei e movi para uma folha de estilos externa. Eu fiz duas folhas de estilo separadas, uma com a imagem do dia bg e outra com a noite. Este é o CSS do corpo que está na folha de estilos do CSS noturno.
@charset "UTF-8";
/* CSS Document */
body {
background-image: url('http://itsnotch.com/tumblr/images/daytime_bg.jpg') !important;
background-repeat: repeat-x !important;
background-attachment: fixed !important;
background-position: top center !important;
background-color:#b68e59 !important;
margin-top:-5px !important;
font-family: "Lucida Sans Unicode", "Lucida Grande", sans-serif;
font-size:14px !important;
}
Eu escrevi um código javascript que achei que funcionaria. Mas isso não aconteceu. Coloquei logo abaixo e ainda não funcionou. Por que não funcionou? Eu só quero ser capaz de mudar o fundo ... sensível ao tempo.
<script type="text/JavaScript">
<!--
function getStylesheet() {
var currentTime = new Date().getHours();
if (7 <= currentTime&¤tTime < 20) {
document.write("<link rel='stylesheet' href='http://itsnotch.com/tumblr/files/daytime.css' type='text/css'>");
}
else {
document.write("<link rel='stylesheet' href='http://itsnotch.com/tumblr/files/nighttime.css' type='text/css'>");
}
rel='stylesheet' href='night.css' type='text/css'>");
}
}
getStylesheet();
-->
</script>
<noscript><link href="http://itsnotch.com/tumblr/files/daytime.css" rel="stylesheet" type="text/css"></noscript>
aqui está o código html inteiro para que vocês possam ver onde eu coloquei o código javascript. (eu atualizei o código javascript e ele ainda não funciona.
<!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" xml:lang="en" lang="en">
<head>
{block:Description}<meta name="description" content="{MetaDescription}" />{/block:Description}
<!-- DEFAULT COLORS -->
<meta name="color:Background" content="#d7a769"/>
<meta name="color:Title" content="#444"/>
<meta name="color:Description" content="#666"/>
<meta name="color:Post Title" content="#c00"/>
<meta name="color:Text" content="#444"/>
<meta name="color:Inline Link" content="#c00"/>
<meta name="color:Quote" content="#666"/>
<meta name="color:Quote Source" content="#444"/>
<meta name="color:Link Post" content="#c00"/>
<meta name="color:Conversation Background" content="#f8f8f8"/>
<meta name="color:Conversation Border" content="#ddd"/>
<meta name="color:Conversation Text" content="#444"/>
<meta name="color:Conversation Label" content="#111"/>
<meta name="color:Photo Border" content="#eee"/>
<meta name="color:Date" content="#fff"/>
<meta name="color:Date Background" content="#ccc"/>
<!-- END DEFAULT COLORS -->
<!-- DEFAULT SETTINGS -->
<meta name="image:Background" content="http://assets.tumblr.com/images/x.gif" />
<meta name="font:Title" content="Arial" />
<meta name="font:Body" content="Lucida Sans" />
<meta name="text:Disqus Shortname" content="" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>{block:SearchPage}Search results for "{SearchQuery}" - {/block:SearchPage}{block:PostSummary}{PostSummary} - {/block:PostSummary}{Title}</title>
<link rel="icon" href="{Favicon}"/>
<link rel="alternate" type="application/rss+xml" title="RSS" href="{RSS}"/>
<meta name="viewport" content="width=775"/> <!-- iPhone -->
<style type="text/css">
#content {
width: 850px;
margin: auto;
margin-top: -44px;
padding: 15px;
background-color: {color:Content Background};
position: relative;
}
a {
color: {color:Inline Link};
}
h1 {
padding: 30px 0px 50px 0px;
margin: 0px;
text-align: center;
font: Bold 55px {font:Title};
letter-spacing: -2px;
line-height: 50px;
}
h1 a {
color: {color:Title};
text-decoration: none;
}
#description {
position: absolute;
left: -189px;
top: 150px;
}
#description div {
font: normal 18px {font:Body};
line-height: 20px;
width: 150px;
color: {color:Description};
}
#description div#search {
text-align: left;
}
#description div a {
color: {color:Description};
}
#description #nav_container {
font-size: 13px;
font-weight: bold;
}
#description #nav_container .dim {
filter: alpha(opacity=50);
-moz-opacity: 0.5;
opacity: 0.5;
}
#searchresultcount {
margin: 0 0 30px;
text-align: center;
}
.post {
position: relative;
margin-bottom: 40px;
}
.post div.labels {
position: absolute;
right: 435px;
text-align: right;
width: 150px;
}
.post div.date {
background-color: {color:Date Background};
white-space: nowrap;
font: Normal 20px {font:Body};
letter-spacing: -1px;
color: {color:Date};
display: inline;
margin-right: -550px;
padding: 3px 5px 0px 5px;
line-height: 20px;
}
.post div.date a {
color: {color:Date};
text-decoration: none;
}
.post img {
max-width: 100%;
}
.post h2 {
font-size: 18px;
font-weight: Bold;
color: {color:Post Title};
letter-spacing: -1px;
margin: 0px 0px 10px 0px;
}
.post h2 a {
color: {color:Post Title};
text-decoration: none;
}
/* Regular Post */
.post .regular {
font-size: 12px;
color: {color:Text};
line-height: 17px;
}
.post .regular blockquote {
font-style: italic;
}
/* Photo Post */
.post .photo img {
border: solid 10px {color:Photo Border};
}
.post .photo div.caption {
font-size: 11px;
color: {color:Text};
margin-top: 5px;
}
.post .photo div.caption a {
color: {color:Text};
}
/* Quote Post */
.post .quote span.quote {
font: Bold 28px {font:Body};
letter-spacing: -1px;
color: {color:Quote};
}
.post .quote span.quote a {
color: {color:Quote};
}
.post .quote span.quote big.quote {
font: Bold 60px Georgia, serif;
line-height: 8px;
vertical-align: -20px;
}
.post .quote span.source {
font-size: 16px;
font-weight: Bold;
color: {color:Quote Source};
letter-spacing: -1px;
}
.post .quote span.source a {
color: {color:Quote Source};
}
/* Link Post */
.post .link a.link {
font: Bold 20px {font:Body};
letter-spacing: -1px;
color: {color:Link Post};
}
.post .link span.description {
font-size: 13px;
font-weight: normal;
letter-spacing: -1px;
}
/* Conversation Post */
.post .conversation ul {
background-color: {color:Conversation Background};
list-style-type: none;
margin: 0px;
padding: 0px;
border-left: solid 5px {color:Conversation Border};
}
.post .conversation ul li {
border-bottom: solid 1px {color:Conversation Border};
font-size: 12px;
padding: 4px 0px 4px 8px;
color: {color:Conversation Text};
}
.post .conversation ul li span.label {
font-weight: bold;
color: {color:Conversation Label};
}
/* Audio Post */
.post .audio div.caption {
font-size: 11px;
color: {color:Text};
margin-top: 5px;
}
.post .audio div.caption a {
color: {color:Text};
}
/* Video Post */
.post .video {
width: 400px;
margin: auto;
}
.post .video div.caption {
font-size: 11px;
color: {color:Text};
margin-top: 5px;
}
.post div.video div.caption a {
color: {color:Text};
}
/* Twitter Text */
.twtr-tweet-text {
font: 11px Verdana, Arial, Helvetica, sans-serif !important;
}
.twtr-tweet-shell {
width:190 !important;
}
/* Footer */
#footer {
margin: 40px 0px 30px 0px;
text-align: center;
font-size: 12px;
}
#footer a {
text-decoration: none;
color: {color:Text};
}
#footer a:hover {
text-decoration: underline;
}
.query { font-weight: bold; }
{CustomCSS}
</style>
<!--[if lt IE 7]>
<style type="text/css">
.post div.labels {
right: 450px;
}
</style>
<![endif]-->
<link href="http://itsnotch.com/tumblr/files/gurucss.css" rel="stylesheet" type="text/css">
<!--Google Tracker Code--->
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-19744657-4']);
_gaq.push(['_trackPageview']);
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>
<script type="text/JavaScript">
<!--
var currentTime = new Date().getHours();
if (7 <= currentTime&¤tTime < 20) {
if (document.body) {
document.body.background = "http://itsnotch.com/tumblr/images/daytime_bg.jpg";
}
}
else {
if (document.body) {
document.body.background = "http://itsnotch.com/tumblr/images/nighttime_bg.jpg";
}
}
-->
</script>
<noscript><link href="http://itsnotch.com/tumblr/files/daytime.css" rel="stylesheet" type="text/css"></noscript>
</head>
<body>
<div id="content">
<h1><a href="/"><img src="http://itsnotch.com/tumblr/images/NotchTheGuru_Banner.jpg" border "0" /></a></h1>
<div id="description">
<div>
<div id="search">
<form action="/search" method="get">
<input type="text" name="q" value="{SearchQuery}"/>
<input type="submit" value="Search"/>
</form>
</div>
{Description}
<p id="nav_container">
<a href="/archive" id="archive_link">Archive</a>
<span class="dim">/</span>
<a href="{RSS}">RSS</a>
</p>
</div>
</div>
{block:SearchPage}
<div id="searchresultcount">
<p>Your search for <span class="query">{SearchQuery}</span> returned {SearchResultCount} result(s).</p>
</div>
{/block:SearchPage}
{block:Posts}
<div class="post">
<div class="labels">
{block:NewDayDate}
<div class="date"><a href="{Permalink}">{Month} {DayOfMonth}</a></div>
{/block:NewDayDate}
{block:SameDayDate}
<div class="date"><a href="{Permalink}">+</a></div>
{/block:SameDayDate}
</div>
{block:Regular}
<div class="regular">
{block:Title}<h2><a href="{Permalink}">{Title}</a></h2>{/block:Title}
{Body}
</div>
{/block:Regular}
{block:Photo}
<div class="photo">
{LinkOpenTag}<img src="{PhotoURL-400}" alt="{PhotoAlt}"/>{LinkCloseTag}
{block:Caption}
<div class="caption">{Caption}</div>
{/block:Caption}
</div>
{/block:Photo}
{block:Quote}
<div class="quote">
<span class="quote">
<big class="quote">“</big> {Quote}
</span>
{block:Source}<span class="source">{Source}</span>{/block:Source}
</div>
{/block:Quote}
{block:Link}
<div class="link">
<a href="{URL}" class="link" {Target}>{Name}</a>
{block:Description}
<span class="description">{Description}</span>
{/block:Description}
</div>
{/block:Link}
{block:Conversation}
<div class="conversation">
{block:Title}<h2><a href="{Permalink}">{Title}</a></h2>{/block:Title}
<ul>
{block:Lines}
<li>
{block:Label}<span class="label">{Label}</span>{/block:Label}
{Line}
</li>
{/block:Lines}
</ul>
</div>
{/block:Conversation}
{block:Audio}
<div class="audio">
{AudioPlayerGrey}
{block:Caption}
<div class="caption">{Caption}</div>
{/block:Caption}
</div>
{/block:Audio}
{block:Video}
<div class="video">
{Video-400}
{block:Caption}
<div class="caption">{Caption}</div>
{/block:Caption}
</div>
{/block:Video}
</div>
{block:IfDisqusShortname}
{block:Permalink}
<div id="disqus_thread"></div>
<script type="text/javascript" src="http://disqus.com/forums/{text:Disqus Shortname}/embed.js"></script>
<noscript><a href="http://{text:Disqus Shortname}.disqus.com/?url=ref">View the discussion thread.</a></noscript>
<div style="text-align: right; margin-top: 5px">
<a href="http://disqus.com" class="dsq-brlink">blog comments powered by <span class="logo-disqus">Disqus</span></a>
</div>
{/block:Permalink}
{/block:IfDisqusShortname}
{/block:Posts}
<div id="footer">
{block:PreviousPage}
<a href="{PreviousPage}">« Previous</a>
{/block:PreviousPage}
{block:NextPage}
<a href="{NextPage}">Next »</a>
{/block:NextPage}
</div>
</div>
{block:IfDisqusShortname}
<script type="text/javascript">
//<![CDATA[
(function() {
var links = document.getElementsByTagName('a');
var query = '?';
for(var i = 0; i < links.length; i++) {
if(links[i].href.indexOf('#disqus_thread') >= 0) {
query += 'url' + i + '=' + encodeURIComponent(links[i].href) + '&';
}
}
document.write('<script charset="utf-8" type="text/javascript" src="http://disqus.com/forums/{text:Disqus Shortname}/get_num_replies.js' + query + '"></' + 'script>');
})();
//]]>
</script>
{/block:IfDisqusShortname}
</body>
</html>