Jquery
$("a[data-role=tab]").each(function () {
var anchor = $(this);
anchor.bind("click", function () {
$.mobile.changePage(anchor.attr("href"), {
transition: "none",
changeHash: false
});
return false;
});
});
$("div[data-role=page]").bind("pagebeforeshow", function (e, data) {
$.mobile.silentScroll(0);
$.mobile.changePage.defaults.transition = 'slide';
});
For further info check
http://jquerymobile.com/demos/1.2.0/docs/toolbars/docs-navbar.html