jQuery Mobile Tutorial 3.3.3 - http://ctoinsights.wordpress.com/2012/01/03/jquery-mobile-tutorial-part-iii-managing-data/

shareqr3.3.3.js

// Listen for any attempts to call changePage().
$(document).bind( "pagebeforechange", function(e, data) {
	// We only want to handle changePage() calls where the caller is
	// asking us to load a page by URL.
	if (typeof data.toPage === "string") {
		// We only want to handle a subset of URLs.
		var u = $.mobile.path.parseUrl(data.toPage);
		var home = /^#home/;
		var qrcode = /^#qrcode/;
		var delurl = /^#delurl/;
		if (u.hash.search(home) !== -1) {
			// Display a list of URLs.
			showUrlList(u, data.options);
			e.preventDefault();
		}
		else if (u.hash.search(qrcode) !== -1) {
			// Display QR code for the selected URL.
			showQRCode(u, data.options);
			e.preventDefault();
		}
		else if (u.hash.search(delurl) !== -1) {
			// Display URL delete confirmation dialog box.
			showDelUrl(u, data.options);
			e.preventDefault();
		}
	}
});

// Display Delete URL confirmation dialog for a specific url passed in as a parameter.
function showDelUrl(urlObj, options) {
	// Get the url parameter
	var url = decodeURIComponent(urlObj.hash.replace(/.*url=/, ""));
	
	// The pages we use to display our content are already in
	// the DOM. The id of the page we are going to write our
	// content into is specified in the hash before the '?'.
	var	pageSelector = urlObj.hash.replace(/\?.*$/, "");

	// Get the page we are going to write our content into.
	var $page = $(pageSelector);

	// Get the content area element for the page.
	var $content = $page.children(":jqmData(role=content)");

	// Set url elements of the page.
	$content.find("#url_value").val(url);
	$content.find("#url_prompt").html(getHostname(url));	

	// Pages are lazily enhanced. We call page() on the page
	// element to make sure it is always enhanced.
	$page.page();

	// Now call changePage() and tell it to switch to the page we just modified.
	$.mobile.changePage($page, options);
}