// JavaScript Document
var theSlide
var slideWidth = 0;
var slideWindowHeight = 0;
var currentPosition = 0;
var step = 1;
var time = 40;

function initSlide(slideWindow, slide) {
    mySlideWindow = document.getElementById(slideWindow);
    mySlide = document.getElementById(slide);
    slideWindowHeight = slideWindow.offsetHeight;
    slideHeight = mySlide.offsetHeight + mySlide.offsetTop *2;
    duplicateSlide = mySlide.cloneNode(true);
    mySlide.appendChild(duplicateSlide);
    theSlide = mySlide;
    SlideFwd(mySlide);
}

function SlideFwd() {
    currentPosition = (theSlide.style.top) ? parseInt(theSlide.style.top): 0;
    newPosition = currentPosition - step;
    if (newPosition * -1 >= slideHeight ) {
        theSlide.style.top = '0px';
        setTimeout('SlideFwd()', time);
    }
/*    if (newPosition +  slideWidth < slideWindowWidth) {
        theSlide.style.left = newPosition + 'px';
        SlideBackwd()
    }*/ else {
        theSlide.style.top = newPosition + 'px';
        setTimeout('SlideFwd()', time);
    }
}
function SlideBackwd() {
    currentPosition = (theSlide.style.top) ? parseInt(theSlide.style.top): 0;
    newPosition = currentPosition + step;
    if (newPosition >= 0) {
        SlideFwd()
    } else {
        theSlide.style.top = newPosition + 'px';
        setTimeout('SlideBackwd()', time);
    }
}