// JScript 文件
var delay = 5000;
var i = 0;
function slide(){
    var leftResult = showLeft();
    var middleResult = showMiddle();
    var rightResult = showRight();    
    if(!leftResult && !middleResult && !rightResult){
        i = 0;
        slide();
        return;
    }
    i++;
    setTimeout('slide()', delay); 
}

function showLeft(){
    if(arrPicLeft == null || arrPicLeft[i] == null) return false;
    document.getElementById('leftPic').src = arrPicLeft[i][1] == null ? '' : arrPicLeft[i][1];
    document.getElementById('leftHref').href = arrPicLeft[i][2] == null ? '' : arrPicLeft[i][2];    
    return true;
}

function showMiddle(){
    if(arrPicMiddle == null || arrPicMiddle[i] == null) return false;
    document.getElementById('middlePic').src = arrPicMiddle[i][1] == null ? '' : arrPicMiddle[i][1];
    document.getElementById('middleHref').href = arrPicMiddle[i][2] == null ? '' : arrPicMiddle[i][2];
    return true;
}

function showRight(){
    if(arrPicRight == null || arrPicRight[i] == null) return false;
    document.getElementById('rightPic').src = arrPicRight[i][1] == null ? '' : arrPicRight[i][1];
    document.getElementById('rightHref').href = arrPicRight[i][2] == null ? '' : arrPicRight[i][2];
    return true;
}