// JScript File
var interval;
var CurrentSeconds=0;
var CurrentImg = 0;

var imgArray = new Array(7);
imgArray[0] = 'images_topbanner/BackCreek_1.jpg';
imgArray[1] = 'images_topbanner/BackCreek_2.jpg';
imgArray[2] = 'images_topbanner/Mattawoman_1.jpg';
imgArray[3] = 'images_topbanner/PennManor_1.jpg';
imgArray[4] = 'images_topbanner/PennManor_2.jpg';
imgArray[5] = 'images_topbanner/Running_creek_1.jpg';
imgArray[6] = 'images_topbanner/Storage_field_1.jpg';
imgArray[7] = 'images_topbanner/Water_drain_1.jpg';


var hashCounter = {};
hashCounter['Banner1'] = 1;
hashCounter['Banner2'] = imgArray.length/2;

for (i=0; i < imgArray.length; i++) {
    var preload = new Image();
    preload.src = imgArray[i];
}

function startCounters() {
    interval = setInterval("UpdateFreshSeconds(1);UpdateImg('Banner1',1,3);UpdateImg('Banner2',1,3)", 1 * 1000);
}

function stopCounters() {
    clearInterval(interval)
}

function UpdateFreshSeconds(UpdateStep) {
    CurrentSeconds = CurrentSeconds + 1;
}

function UpdateImg(imgName,SwapVersion,updateInterval) {
    var totalPics = imgArray.length;
    
                    
    if (CurrentSeconds % updateInterval == 0 && CurrentSeconds > updateInterval) {
        if (hashCounter[imgName] < (totalPics-1)) {
            hashCounter[imgName] = hashCounter[imgName] + 1;
        } else {
            hashCounter[imgName] = 0;
        }
        
        if (SwapVersion==0) {
            //swapfade(document.getElementById(imgName), imgArray[CurrentImg], '3', '');
        } else {
            document[imgName].src = imgArray[hashCounter[imgName]];
        }
    }
}