Loader test

HTML

<div id="target"></div>

CSS

#target {
    border: 1px solid #222;
    width: 200px;
    height: 200px;
    position: relative;
    border-radius: 4px;
    margin: 10px auto;
}

#target p {
    font-family: helvetica, sans-serif;
    font-size: 16px;
    text-align: center;
    margin: 10px 0;
    color: #cc0000;
}

#target .loader {
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -16px -16px;
}

JavaScript

$(function(){
    //Loader
    var loaderImg = $('<img/>').attr('src', 'http://dl.dropbox.com/u/234787/ifiddle/loader.gif').addClass('loader'),
        target = $('#target'),
        content = $('<p>HELLO WORLD!</p>');
    
    //Show loader
    target.append (loaderImg);
    setTimeout(function(){
        target.children('.loader').remove();
        target.append (content.hide());
        content.fadeTo ('slow', 1);
    }, 3000);
});