// This is configurable
var SCREEN_WIDTH = 740;

var STEPS = new Array(0, 40, 40, 50, 50, 60, 60, 100, 150, 200, 300);
var POSITIONS = new Array(0, 734,1475,2215,2955,3695);


var slideSteps = 30;

// This is fixed
var slideTimer = 0;
var slideStep = 60;
var isIE = -1 != navigator.appName.indexOf("Microsoft");
var isNN = -1 != navigator.appName.indexOf("Netscape");

function getXOffset() {
    return isIE ? document.body.scrollLeft : window.pageXOffset;
} // getXOffset

function slideScreen(index) {
    // Clear slide timer
    if (0 != slideTimer) {
        clearTimeout(slideTimer);
        slideTimer = 0;
    }
    // Check if scroll is to an end
    // var finalLeft = (index - 1) * SCREEN_WIDTH;
    var finalLeft = POSITIONS[index-1]
    var currentLeft = getXOffset();
    if (currentLeft == finalLeft) {
        return;
    }
    // Scroll
    var isForward = currentLeft < finalLeft;
    // This adjustment is required for NN, whose scrollTo() is not reliable.
    if (slideStep > Math.abs(finalLeft - currentLeft)) {
        slideStep = Math.abs(finalLeft - currentLeft);
    }
    var scrollStep = isForward ? slideStep : -slideStep;
    scrollBy(scrollStep, 0);
    // Set next slide timer
    slideTimer = setTimeout("slideScreen(" + index + ")", 1000 / slideSteps);
} // slideScreen

function goToScreen(index) {
    if (!isIE && !isNN) {
        return;
    }

    //var finalLeft = (index - 1) * SCREEN_WIDTH;
    var finalLeft = POSITIONS[index-1]
    
    var currentLeft = getXOffset();
    if (finalLeft == currentLeft) {
        return;
    }
    var stepIndex = Math.round(Math.abs(finalLeft - currentLeft) / SCREEN_WIDTH);
    slideStep = STEPS[stepIndex];
    slideScreen(index);
} // goToScreen

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//-->