How to stop the jQuery effect when I move my mouse or press a key
<p>How to stop the Jquery effect when i move my mouse or pressing a key from Keyboard any suggestions will be appreciated.</p>

<pre><code>function dream(){
    //calculating random color of dream
    var color = 'rgb(' + Math.floor(Math.random() * 255) + ',' + Math.floor(Math.random() * 255) + ',' + Math.floor(Math.random() * 255) + ')';

    //calculating random X position
    var x = Math.floor(Math.random() * $(window).width());

    //calculating random Y position
    var y = Math.floor(Math.random() * $(window).height());

    //creating the dream and hide
    drawingpix = $('&lt;span&gt;').attr({ class: 'drawingpix' }).hide();

    //appending it to body
    $(document.body).append(drawingpix);

    //styling dream.. filling colors.. positioning.. showing.. growing..fading
    drawingpix.css({
        'background-color':color,
        'border-radius':'100px',
        '-moz-border-radius': '100px',
        '-webkit-border-radius': '100px',
        top: y-14,    //offsets
        left: x-14 //offsets
    }).show().animate({
        height:'500px',
        width:'500px',
        'border-radius':'500px',
        '-moz-border-radius': '500px',
        '-webkit-border-radius': '500px',
        opacity: 0.1,
        top: y-250,    //offsets
        left: x-250
    }, 3000).fadeOut(2000);

    //Every dream's end starts a new dream
    window.setTimeout('dream()',200);
}

$(document).ready(function() {  
    //calling the first dream
    dream();
});
</code></pre>
