学步园

$.extend($.fn.dialog.methods, {  
	addButtonsItem: function(jq, items){  
		return jq.each(function(){  
			var buttonbar = $(this).children("div.dialog-button");
			for(var i = 0;i<items.length;i++){
				var item = items[i];
				var btn=$("<a href=\"javascript:void(0)\"></a>");
				btn[0].onclick=eval(item.handler||function(){});
				btn.css("float","left").appendTo(buttonbar).linkbutton($.extend({},item,{plain:false}));
			}
			buttonbar = null;
		});  
	},
	removeButtonsItem: function(jq, param){  
		return jq.each(function(){  
			var btns = $(this).children("div.dialog-button").children("a");
			var cbtn = null;
			if(typeof param == "number"){
				cbtn = btns.eq(param);
			}else if(typeof param == "string"){
				var text = null;
				btns.each(function(){
					text = $(this).data().linkbutton.options.text;
					if(text == param){
						cbtn = $(this);
						text = null;
						return;
					}
				});
			} 
			if(cbtn){
				var prev = cbtn.prev()[0];
				var next = cbtn.next()[0];
				if(prev && next && prev.nodeName == "DIV" && prev.nodeName == next.nodeName){
					$(prev).remove();
				}else if(next && next.nodeName == "DIV"){
					$(next).remove();
				}else if(prev && prev.nodeName == "DIV"){
					$(prev).remove();
				}
				cbtn.remove();	
				cbtn= null;
			}						
		});  
	} 				
});