//起始----圖片置換_導覽列的函數
var timer;
var m_aryBanner = new Array();
function chgBigBanner()
{
    //輪播的時間間隔(毫秒:ms)
    var intPlayMs = 6000;
    var strClass = 'navBannerImg';
	var objADBanner=document.getElementById('mainBannerADImg');
	objADBanner.innerHTML='';
	
	m_intNowBanner++;
	if(m_intNowBanner>m_aryBanner.length-1){m_intNowBanner=0;};
	if(m_intNowBanner<0){m_intNowBanner=m_aryBanner.length-1;};
	var strUrl=m_aryBanner[m_intNowBanner].url;
	var strLinkType=m_aryBanner[m_intNowBanner].linkType;
	var strImgUrl=m_aryBanner[m_intNowBanner].imgUrl;
	var strAlt=m_aryBanner[m_intNowBanner].Alt;
	var strHtml='';
	var strTarget='';
	if(strLinkType=='Y'){strTarget=' target="_blank" title="'+strAlt+'"';};
	strHtml+='<a href="'+strUrl+'"'+strTarget+'><img class="'+strClass+'" src="'+strImgUrl+'" alt="'+strAlt+'"></a>';
	objADBanner.innerHTML=strHtml;
	clearTimeout(timer);
	timer=setTimeout("chgBigBanner()", intPlayMs);
	
	for(var i=0; i<m_aryBanner.length; i++){
		document.getElementById(m_aryBannerID[i]).className = '';
		if(i==m_intNowBanner){
			document.getElementById(m_aryBannerID[i]).className = 'stay';
		}
	}
}

function chageBannerNo(intNO)
{
	m_intNowBanner=intNO-1;
	chgBigBanner();
}
		
function createBanner(strLinkType, strUrl, strImgUrl, strAlt)
{
	this.linkType=strLinkType;
	this.url=strUrl;
	this.imgUrl=strImgUrl;
	this.Alt=strAlt;
}

//結束----圖片置換_導覽列的函數