$(function(){
    var picSliders = $("#pic_news").children("li");
    var titleTarget = $("#title");
    $("#slider_btns").createNode($(picSliders).length,"li",{"class":"floatL"});
    $.classOprate($("#slider_btns").children("li"),0,"cur_pic");
    $(picSliders).eq(0).find("a").clone(true).appendTo($(titleTarget));
    var tFade = null;
    var fadeIndex = 0;
    tFade = setInterval(function(){
        fadeIndex = parseInt(fadeIndex + 1) === $(picSliders).length ? 0 : parseInt(fadeIndex + 1);
        $(picSliders).eq(fadeIndex).siblings().sFadeOut(500);
        $(picSliders).eq(fadeIndex).sFadeIn(500);
        $.classOprate($("#slider_btns").children("li"),fadeIndex,"cur_pic");
        $(titleTarget).empty();
        $(picSliders).eq(fadeIndex).find("a").clone(true).appendTo($(titleTarget));
    },4000);
});
$.fn.extend({
    sFadeTo:function(Target,speed,callback){
        return this.animate({
            opacity:Target
        },speed,function(){
            if($.browser.msie){
                this.style.removeAttr("filter");
            }
            if($.isFunction(callback)){
                callback();
            }
        });
    }
});
$.fn.extend({
        sFadeIn:function(speed,callback){
            return this.animate({
                opacity:"show"
            },speed,function(){
                if($.browser.msie && this.style.filter){
                    this.style.removeAttribute("filter");
                };
                if(callback && $.isFunction(callback)){
                    callback();
                }
            });
        }
    });
    $.fn.extend({
        sFadeOut:function(speed,callback){
            return this.animate({
                opacity:"hide"
            },speed,function(){
                if($.browser.msie && this.style.filter){
                    this.style.removeAttribute("filter");
                };
                if(callback &&$.isFunction(callback)){
                    callback();
                }
            })
        }
    });
$.fn.extend({
    createNode:function(times,nodeName,settings){
        var attrName,attrValue;
        for(var item in settings){
            attrName = item;
            attrValue = settings[item];
        }
        for(var i = 0;i < times;i ++){
            $(this).append("<"+ nodeName +  "  " + attrName + "=" + attrValue + ">"+ (parseInt(i + 1)) +"</" + nodeName + ">" );
        }
    }
});
$.extend({
    classOprate:function(obj,index,className){
        $(obj).eq(index).removeClass(className)
            .addClass(className)
            .siblings()
            .removeClass(className);
    }
});