fixed multiple date picker caused by unscoped selector, thanks to Matt Rosenquist. Fixes jquery-archive#972

Author: johnbender

experiments/ui-datepicker/jquery.ui.datepicker.mobile.js

@@ -48,7 +48,7 @@
 
 	//bind to pagecreate to automatically enhance date inputs
 	$( ".ui-page" ).live( "pagecreate", function(){
-		$( "input[type='date'], input[data-type='date']" ).each(function(){
+		$( "input[type='date'], input[data-type='date']", this ).each(function(){
 			$(this).after( $( "<div />" ).datepicker({ altField: "#" + $(this).attr( "id" ), showOtherMonths: true }) );
 		});
 	});