var imgUrl=new Array();
var imgLink=new Array();
var adNum=0;

imgUrl[3]="images/hen001.jpg";//图片地址
imgLink[3]="Pages/Boston_Info.asp";//链接路径
imgUrl[1]="images/Cebit2010.jpg";
imgLink[1]="Pages/View_Newsinfo.asp?ID=21";
imgUrl[2]="images/hen004.jpg";
imgLink[2]="Pages/Boston_Info.asp";
imgUrl[4]="images/hen003.jpg";
imgLink[4]="Pages/Boston_Info.asp";
imgUrl[5]="images/hen002.jpg";
imgLink[5]="Pages/Boston_Info.asp";


var piclength=imgUrl.length-1
//alert(piclength)

var imgPre=new Array();
var j=0;
for (i=1;i<=piclength;i++) {
	if( (imgUrl[i]!="") && (imgLink[i]!="") ) {
		j++;
	} else {
		break;
	}
}

function playTran(){
	if (document.all)
		imgInit.filters.revealTrans.play();
}

var key=0;
var theTimer=0

function nextAd(){
	if(adNum<j)adNum++ ;
	else adNum=1;
	
	if( key==0 ){
		key=1;
	} else if (document.all){
		imgInit.filters.revealTrans.Transition=22;
		imgInit.filters.revealTrans.apply();
		   playTran();

	}
	document.images.imgInit.src=imgUrl[adNum];
	theTimer=setTimeout("nextAd()", 7500);
}

//向后滤镜特效
function lastAd(){
	if(adNum>1)adNum-- ;
	else adNum=piclength;
	
	if( key==0 ){
		key=1;
	} else if (document.all){
		imgInit.filters.revealTrans.Transition=18;
		imgInit.filters.revealTrans.apply();
		   playTran();

	}
	document.images.imgInit.src=imgUrl[adNum];
	theTimer=setTimeout("lastAd()", 5000);
}

//向上返回滤镜特效
function nextpic(){
	
	clearTimeout(theTimer);
	 
	if(adNum<j)adNum++ ;
	else adNum=1;
	
	if( key==0 ){
		key=1;
	} else if (document.all){
		imgInit.filters.revealTrans.Transition=19;
		imgInit.filters.revealTrans.apply();
		   playTran();

	}
	document.images.imgInit.src=imgUrl[adNum];	
	theTimer=setTimeout("nextAd()", 5000);
}

//下一张图片

function stoppic(){	 
	 clearTimeout(theTimer)
	 //alert(theTimer)	
}

//在当前图片停止
function lastpic(){
	
	clearTimeout(theTimer);
	 
	if(adNum>1)adNum-- ;
	else adNum=piclength;
	
	if( key==0 ){
		key=1;
	} else if (document.all){
		imgInit.filters.revealTrans.Transition=18;
		imgInit.filters.revealTrans.apply();
		   playTran();

	}
	document.images.imgInit.src=imgUrl[adNum];	
	theTimer=setTimeout("lastAd()", 5000);
}

//按钮,上一张图片
function goUrl(){
	jumpUrl=imgLink[adNum];
	jumpTarget='_blank';
	if (jumpUrl != ''){
		if (jumpTarget != '') 
			window.open(jumpUrl,jumpTarget);
		else
			location.href=jumpUrl;
	}
}
//链接地址