$(document).ready(function() {
    $('div#gallerysection ul.small_product_images a').click(function() {
        $('div#gallerysection div#productimagecontainer a.jqzoom').attr('href', $(this).children('img').attr('src').replace('height=46&width=46', 'height=800&width=700'));
        $('div#gallerysection div#productimagecontainer img.product_image').attr('src', $(this).children('img').attr('src').replace('height=46&width=46', 'height=400&width=350'));
        $.jqzoom_url = $(this).children('img').attr('src').replace('height=46&width=46', 'height=800&width=700');
        return false;
    });
});