jquery ui 1.7 ui.tabs 动态添加与关闭(按钮关闭+双击关闭)

$(document).ready(function(){ 
$('#tabs').tabs({add:addEventHandler}); //给tabs块绑定addEventHandler事件 
$('#newtabs').click(addTab); 
}) 
var tabCounter = 1; 
function addTab(){ 
if(tabCounter > 6){ 
alert('tabs can not more than 6!'); 
return; 
} 
$('<div id="new-tab-'+tabCounter+'">'+'New tab'+tabCounter+'</div>').appendTo('#tabs'); 
$('#tabs').tabs("add","#new-tab-"+tabCounter,'New tab'+tabCounter); 
tabCounter++; 
} 
function addEventHandler(event,ui){ 
var li = $(ui.tab).parent(); 
$('<img src="close.gif"/>') //关闭按钮 
.appendTo(li) 
.hover(function(){ 
var img = $(this); 
img.attr('src','close_hover2.png'); 
}, 
function(){ 
var img = $(this); 
img.attr('src','close.png'); 
} 
) 
.click(function(){ //关闭按钮,关闭事件绑定 
var li = $(ui.tab).parent(); 
var index = $('#tabs li').index(li.get(0)); 
$("#tabs").tabs("remove",index); 
tabCounter--; 
}); 
$(ui.tab).dblclick(function(){ //双击关闭事件绑定 
var li = $(ui.tab).parent(); 
var index = $('#tabs li').index(li.get(0)); 
$("#tabs").tabs("remove",index); 
tabCounter--; 
}); 
}