// ==============================================================
// News section

var openBtn2 = "images/newsButton_open2.gif";
var solidBtn2 = "images/newsButton_solid2.gif";
var showing = 1;
var truckArray = new Array("","truck1","truck2","truck3");
var truckbtnArray = new Array("","truckBtn1","truckBtn2","truckBtn3");
var inProgress = false;

function swapTruck(next) {
    if (inProgress) return;
    inProgress = true;
    
    if (next == 0) { next = showing + 1; } //if swapNews isnt called from a button
    if (next == 4) { next = 1; }    // if its the last news item

    new Effect.Fade(truckArray[showing], { duration: 0.3});

    setTimeout(function() {
        $(truckbtnArray[showing]).src = openBtn2
        $(truckbtnArray[showing]).style.cursor = "pointer"
        $(truckbtnArray[next]).src = solidBtn2
        $(truckbtnArray[next]).style.cursor = "default"
        new Effect.Appear(truckArray[next], { duration: 0.3})
        showing = next
        inProgress = false
    }, 300);

    clearInterval(intervalID);
    intervalID = setInterval("swapTruck(0)", 10000);
}

Event.observe(window, 'load', function() { // this binds the function() to the event window.onload
    intervalID = setInterval("swapTruck(0)", 10000);
    $("truckBtn1").src = solidBtn2;
    $("truckBtn2").src = openBtn2;
    $("truckBtn2").style.cursor = "pointer";
    $("truckBtn3").src = openBtn2;
    $("truckBtn3").style.cursor = "pointer";
});