Test Case Boilerplate

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HTML

<div id="xxx">PRUEBA</div>

CSS

#xxx {
    position:absolute;
    top: 0;
    right:40px;
    background-color: #EEE;
    width: 100px;
}

JavaScript

//TRY THIS IN FIREBUG CONSOLE: REMEMBER: "IN GOOGLE CHROME!!"
$('#xxx').animate({'right': '50%'}, 5000);