// JavaScript Document
var oriH; //form原始高度
var barH; //page_bar高度
var barScale;
var tagPoH;

var bannerImgNum;//banner圖片數量
var nowShowImg = 0;
var bannerTimer;


$(document).ready(function(){
	doPageResize();
	$(window).bind("resize",doPageResize);

	bannerAnimate();
	
});

function doPageResize(){
	
	resizeWindow();
}

function bannerAnimate(){
	bannerImgNum = $('.home_banner li').length;
	$(".home_banner li").filter(':not(:first)').fadeTo(0,0);
	bannerTimer = setInterval("bannerSlideStart()",8000);
	
}

function bannerSlideStart(){
	nowShowImg+=1;
	if(nowShowImg>=bannerImgNum){
		nowShowImg=0;
	}
	$(".home_banner li").eq(nowShowImg).animate({
		opacity: 1
	}, { duration: 3000, queue : false});
	
	
	
	if(nowShowImg!==0){
		$(".home_banner li").eq(nowShowImg-1).animate({
			opacity: 0
		}, { duration: 3000, queue : false});
		
	}else{
		$(".home_banner li").last().animate({
			opacity: 0
		}, { duration: 3000, queue : false});
		
	}
	
}