Make the jquery function run when the page loads

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I have a jquery function to change the opacity of an image on mouse hover to produce a pulsating effect, but I would like to change it so that the image pulsates as soon as the page loads, removing the mouse hover elements mouse over and mouse out.

Here is the code I have

    (function($) {
        $(document).ready(function() {
            window.pulse_image = null;
            window.pulse_continue_loop = false;

            $('.pulse_image').mouseover(function() {
            // User is hovering over the image.
            window.pulse_continue_loop = true;
            window.pulse_image = $(this);

            PulseAnimation(); // start the loop
        }).mouseout(function() {
            window.pulse_continue_loop = false;
            window.pulse_image.stop();
            window.pulse_image.css('opacity',1);
        });
    });
})(jQuery);

function PulseAnimation()
{
    var minOpacity = .33;
    var fadeOutDuration = 650;
    var fadeInDuration = 650;

    window.pulse_image.animate({
        opacity: minOpacity
    }, fadeOutDuration, function() {
        window.pulse_image.animate({
            opacity: 1
        }, fadeInDuration, function() {
            if(window.pulse_continue_loop) {
                PulseAnimation();
            }
        })
    });
}

From http://www.infinitywebcreations.com/2011/01/how-to-create-a-throbbingpulsing-image-effect-with-jquery/


(function($) {
    $(document).ready(function() {
        window.pulse_image = $('.pulse_image');
        window.pulse_continue_loop = true;
        PulseAnimation(); // start the loop
    });
})(jQuery);‚Äč