$(function(){			
			$("#banner_scroll_pic a").addClass("bigimg");
			$("#banner_scroll_pic .bigimg img").banner_thaw({
				thumbObj:"#banner_scroll_pic .change_num span",
				thumbNowClass:"hover",
				changeTime:4000
			});			
		});
/*Banner Js*/
(function($){
	$.fn.extend({
		"banner_thaw": function(o){
		o= $.extend({
			thumbObj:null,
			botPrev:null,
			botNext:null,
			thumbNowClass:'hover',
			thumbOverEvent:true,
			slideTime:1000,
			autoChange:true,
			clickFalse:true,
			overStop:true,
			changeTime:5000,
			delayTime:300
		}, o || {});
		var _self = $(this);
		var thumbObj;
		var size = _self.size();
		var nowIndex =0; 
		var index;
		var startRun;
		var delayRun;

	function fadeAB () {
		if (nowIndex != index) {
			if (o.thumbObj!=null) {
			$(o.thumbObj).removeClass(o.thumbNowClass).eq(index).addClass(o.thumbNowClass);}
			if (o.slideTime <= 0) {
				_self.eq(nowIndex).hide();
				_self.eq(index).show();	
			}else{
				_self.eq(nowIndex).fadeOut(o.slideTime);
				_self.eq(index).fadeIn(o.slideTime);
			}
			nowIndex = index;
			if (o.autoChange==true) {
			clearInterval(startRun);
			startRun = setInterval(runNext,o.changeTime);}
			}
	}
	
	function runNext() {
		index =  (nowIndex+1)%size;
		fadeAB();
	}
	_self.hide().eq(0).show();

	if (o.thumbObj!=null) {
	thumbObj = $(o.thumbObj);


		thumbObj.removeClass(o.thumbNowClass).eq(0).addClass(o.thumbNowClass);
		thumbObj.click(function () {
			index = thumbObj.index($(this));
			fadeAB();
			if (o.clickFalse == true) {
				return false;
			}
		});
		if (o.thumbOverEvent == true) {
		thumbObj.mouseenter(function () {
			index = thumbObj.index($(this));
			delayRun = setTimeout(fadeAB,o.delayTime);
		});
		thumbObj.mouseleave(function () {
			clearTimeout(delayRun);
		});
		}
	}
	
	if (o.botNext!=null) {
		$(o.botNext).click(function () {
			if(_self.queue().length<1){
			runNext();}
			return false;
		});
	}
	
	if (o.botPrev!=null) {
		$(o.botPrev).click(function () {
			if(_self.queue().length<1){
			index = (nowIndex+size-1)%size;
			fadeAB();}
			return false;
	});
	}
			
	if (o.autoChange==true) {
	startRun = setInterval(runNext,o.changeTime);
	if (o.overStop == true) {
		_self.mouseenter(function () {
			clearInterval(startRun);
			
		});
		_self.mouseleave(function () {
			startRun = setInterval(runNext,o.changeTime);
		});
		}
	}
}
	})
})(jQuery);