Edit in JSFiddle

		window.app = {
		    init: function () {
		        // Elenco prodotti
		        this.openCatalog();
		    },
		    openCatalog: function (id) {
		        // Elenco prodotti
		        var html = '';
		        for (var i = 0; i < DEMO_PRODUCTS.length; i++) {
		            var product = DEMO_PRODUCTS[i];

		            html += '<li><a href="javascript:app.openProduct(' + i + ')">' + '<img src="' + product.image + '" />' + '<h3>' + product.name + '</h3>' + '<p>' + product.descr + '</p>' + '</a></li>';
		        }
		        $('#browse-products-list').html(html).listview('refresh');
		    },
		    openProduct: function (id) {
		        var product = DEMO_PRODUCTS[id];

		        var nextpage = '#product-sheet';

		        $.mobile.loading('show');

		        // Simula caricamento lento
		        setTimeout(function () {
		            // Nome prodotto
		            $('.product-name').text(product.name);

		            // Immagine prodotto
		            $('#product-sheet-image', nextpage).attr('src', product.image);

		            // Descrizione prodotto
		            $('#product-sheet-descr', nextpage).html(product.descr);

		            // Switch
		            $.mobile.changePage(nextpage);

		            $.mobile.loading('hide');
		        }, 2000);
		    },
		};

		app.init();

<!-- Scelta prodotto -->
<div data-role="page" id="browse-products">
    <div data-role="header" data-position="fixed" data-tap-toggle="false"
    data-id="app-header">
        	<h1 class="catalog-name">Elenco prodotti</h1>

    </div>
    <div data-role="content">
        <!-- Elenco prodotti -->
        <ul data-role="listview" id="browse-products-list"></ul>
    </div>
</div>
<!-- Scheda prodotto -->
<div data-role="page" id="product-sheet">
    <div data-role="header" data-position="fixed" data-tap-toggle="false"
    data-id="app-header"> <a data-role="button" data-rel="back" data-icon="back" data-iconpos="notext"></a>

        <h1
        class="product-name"></h1>
    </div>
    <div data-role="content">
        <!-- Immagine prodotto -->
        <img id="product-sheet-image" />
        <div id="product-sheet-descr"></div>
    </div>
</div>