$('#tabs').tabs({
             onSelect: function (title) {
                 var currTab = $('#tabs').tabs('getTab', title);
                 var iframe = $(currTab.panel('options').content);
                 var src = iframe.attr('src');
                 alert(src);
                 $('#tabs').tabs('update', { 
                     tab: currTab,
                      options: { 
                       content: '<iframe scrolling="auto" frameborder="0" src="'+src+'" style="width:100%; height:100%"></iframe>'
                       }
                    });
             }
         });