vs4Arr = [["imgpres/1b.jpg", "imgpres/1b.jpg", ""], ["imgpres/2b.jpg", "imgpres/2b.jpg", ""], ["imgpres/3b.jpg", "imgpres/3b.jpg", ""], ["imgpres/4b.jpg", "imgpres/4b.jpg", ""], ["imgpres/5b.jpg", "imgpres/5b.jpg", ""]]

dir = 0 // 0 = up 1 = down
speed = 1
imageSize = 0// %
fixedWidth = 85 // set a fixed width
fixedHeight = 61 // set a fixed height
popupLeft = 100 // pixels
popupTop = 100 // pixels
biggest = 0
ieBorder = 0
sv4Timer = null

preload = new Array()
for (var i = 0; i < vs4Arr.length; i++) {
    preload[i] = new Image()
    preload[i].src = vs4Arr[i][0]
}

function initVS4(){
    scroll1 = document.getElementById("scroller1")
    
    for (var j = 0; j < vs4Arr.length; j++) {
    
        scroll1.innerHTML += '<img id="pic' + j + '" src="' + preload[j].src + '" alt="' + vs4Arr[j][2] + '" onclick="#"><br>'
        
        if (imageSize != 0) { // use percentage size
            newWidth = preload[j].width / 100 * imageSize
            newHeight = preload[j].height / 100 * imageSize
        }
        else { // use fixed size
            newWidth = fixedWidth
            newHeight = fixedHeight
        }
        
        document.getElementById("pic" + j).style.width = newWidth + "px"
        document.getElementById("pic" + j).style.height = newHeight + "px"
        
        if (document.getElementById("pic" + j).offsetWidth > biggest) {
            biggest = document.getElementById("pic" + j).offsetWidth
        }
        
    }
    
    scrollBox = document.getElementById("scroll_box")
    
    if (document.getElementById && document.all && document.compatMode != "CSS1Compat") {
        ieBorder = parseInt(scrollBox.style.borderTopWidth) * 2
    }
    
    scrollBox.style.width = biggest + ieBorder + "px"
    
    scroll2 = document.getElementById("scroller2")
    scroll2.innerHTML = scroll1.innerHTML
    scroll2.style.top = scroll1.offsetHeight + "px"
    
    if (dir == 0) {
        speed = -speed
    }
    
    scrollVS4()
}

function scrollVS4(){
    if (paused == 1) {
        return
    }
    clearTimeout(sv4Timer)
    <!--
    if (navigator.appName == "Microsoft Internet Explorer") {
        scroll1 = document.getElementById("scroller1")
        scroll2 = document.getElementById("scroller2")
    }
    //-->
    
    
    
    scroll1Pos = parseInt(scroll1.style.top)
    scroll2Pos = parseInt(scroll2.style.top)
    
    scroll1Pos += speed
    scroll2Pos += speed
    
    scroll1.style.top = scroll1Pos + "px"
    scroll2.style.top = scroll2Pos + "px"
    
    sv4Timer = setTimeout("scrollVS4()", 15) /*Era 60 chico*/
    if (dir == 0) {
        if (scroll1Pos < -scroll1.offsetHeight) {
            scroll1.style.top = scroll1.offsetHeight + "px"
        }
        
        if (scroll2Pos < -scroll1.offsetHeight) {
            scroll2.style.top = scroll1.offsetHeight + "px"
        }
    }
    
    if (dir == 1) {
        if (scroll1Pos > parseInt(scrollBox.style.height)) {
            scroll1.style.top = (scroll2Pos - scroll1.offsetHeight) + "px"
        }
        
        if (scroll2Pos > parseInt(scrollBox.style.height)) {
            scroll2.style.top = (scroll1Pos - scroll2.offsetHeight) + "px"
        }
    }
    
}

st = null
function pause(){
    clearTimeout(sv4Timer)
    clearTimeout(st)
}

function reStartVS4(){
    clearTimeout(st)
    st = setTimeout("scrollVS4()", 100)
}

paused = 0
picWin = null
chkTimer = null

function showBigPic(p){

    if (vs4Arr[p][1] != "") {
        paused = 1
        
        if (picWin && picWin.open && !picWin.closed) {
            picWin.close()
        } // if picWin exists close it
        if (vs4Arr[p][1].indexOf("htm") == -1) {
            bigImg = new Image()
            bigImg.src = vs4Arr[p][1]
            
            data = "\n<center>\n<img src='" + bigImg.src + "'>\n<\/center>\n"
            
            var winProps = "left= " + popupLeft + ", top = " + popupTop + ", width=" + (bigImg.width + 20) + ", height=" + (bigImg.height + 20) + ", scrollbars=no, toolbar=no, directories=no, menu bar=no, resizable=yes, status=no"
            
            picWin = window.open("", "win1", winProps)
            picWin.document.write("<HTML>\n<HEAD>\n<TITLE><\/TITLE>\n")
            picWin.document.write("<\/HEAD>\n")
            picWin.document.write("<BODY style='backgground-color:black;margin-top:10px;margin-left10px'>\n")
            picWin.document.write("<div id=\"display\">" + data + "<\/div>")
            picWin.document.write("\n<\/BODY>\n<\/HTML>")
            picWin.document.close()
        }
        else {
            picWin = window.open(vs4Arr[p][1])
        }
        
    }
    clearTimeout(chkTimer)
}

window.onfocus = function(){
    /*
     clearTimeout(chkTimer)
     if(picWin&&picWin.open&&!picWin.closed){
     chkTimer=setTimeout("picWin.close()",10000) // uncomment to have popup closed when blurred
     }
     */
    paused = 0
    scrollVS4()
}

// add onload="initVS4()" to the opening body tag