var horizontal
testDiv.drag =horizontal
function scroll(obj, oWidth, oHeight, direction, drag, zoom, speed)
{
    var scrollDiv        = obj
    var scrollContent    = document.createElement("span")
    scrollContent.style.position = "absolute"
    scrollDiv.applyElement(scrollContent, "inside")
    var displayWidth    = (oWidth  != "auto" && oWidth ) ? oWidth  : scrollContent.offsetWidth  + parseInt(scrollDiv.currentStyle.borderRightWidth)
    var displayHeight    = (oHeight != "auto" && oHeight) ? oHeight : scrollContent.offsetHeight + parseInt(scrollDiv.currentStyle.borderBottomWidth)
    var contentWidth    = scrollContent.offsetWidth
    var contentHeight    = scrollContent.offsetHeight
    var scrollXItems    = Math.ceil(displayWidth  / contentWidth)  + 1
    var scrollYItems    = Math.ceil(displayHeight / contentHeight) + 1

    scrollDiv.style.width     = displayWidth
    scrollDiv.style.height     = displayHeight
    scrollDiv.style.overflow = "hidden"
    scrollDiv.setAttribute("state", "stop")
    scrollDiv.setAttribute("drag", drag ? drag : "horizontal")
    scrollDiv.setAttribute("direction", direction ? direction : "left")
    scrollDiv.setAttribute("zoom", zoom ? zoom : 1)
    scrollContent.style.zoom = scrollDiv.zoom
    
    var scroll_script =    "var scrollDiv = " + scrollDiv.uniqueID                                        +"\n"+
                "var scrollObj = " + scrollContent.uniqueID                                    +"\n"+
                "var contentWidth = " + contentWidth + " * (scrollObj.runtimeStyle.zoom ? scrollObj.runtimeStyle.zoom : 1)"    +"\n"+
                "var contentHeight = " + contentHeight + " * (scrollObj.runtimeStyle.zoom ? scrollObj.runtimeStyle.zoom : 1)"    +"\n"+
                "var scrollx = scrollObj.runtimeStyle.pixelLeft"                                +"\n"+
                "var scrolly = scrollObj.runtimeStyle.pixelTop"                                    +"\n"+

                "switch (scrollDiv.state.toLowerCase())"                                +"\n"+
                "{"                                                    +"\n"+
                    "case ('scroll')    :"                                    +"\n"+
                        "switch (scrollDiv.direction)"                                +"\n"+
                        "{"                                            +"\n"+
                            "case ('left')        :"                            +"\n"+
                                "scrollx = (--scrollx) % contentWidth"                    +"\n"+
                                "break"                                    +"\n"+
                            "case ('right')    :"                                +"\n"+
                                "scrollx = -contentWidth + (++scrollx) % contentWidth"            +"\n"+
                                "break"                                    +"\n"+
                            "case ('up')    :"                                +"\n"+
                                "scrolly = (--scrolly) % contentHeight"                    +"\n"+
                                "break"                                    +"\n"+
                            "case ('down')    :"                                +"\n"+
                                "scrolly = -contentHeight + (++scrolly) % contentHeight"        +"\n"+
                                "break"                                    +"\n"+
                            "case ('left_up')    :"                            +"\n"+
                                "scrollx = (--scrollx) % contentWidth"                    +"\n"+
                                "scrolly = (--scrolly) % contentHeight"                    +"\n"+
                                "break"                                    +"\n"+
                            "case ('left_down')    :"                            +"\n"+
                                "scrollx = (--scrollx) % contentWidth"                    +"\n"+
                                "scrolly = -contentHeight + (++scrolly) % contentHeight"        +"\n"+
                                "break"                                    +"\n"+
                            "case ('right_up')    :"                            +"\n"+
                                "scrollx = -contentWidth + (++scrollx) % contentWidth"            +"\n"+
                                "scrolly = (--scrolly) % contentHeight"                    +"\n"+
                                "break"                                    +"\n"+
                            "case ('right_down')    :"                            +"\n"+
                                "scrollx = -contentWidth + (++scrollx) % contentWidth"            +"\n"+
                                "scrolly = -contentHeight + (++scrolly) % contentHeight"        +"\n"+
                                "break"                                    +"\n"+
                            "default        :"                            +"\n"+
                                "return"                                +"\n"+
                        "}"                                            +"\n"+
                        "scrollObj.runtimeStyle.left = scrollx"                            +"\n"+
                        "scrollObj.runtimeStyle.top = scrolly"                            +"\n"+
                        "break"                                            +"\n"+
    
                    "case ('stop')    :"                                        +"\n"+
                    "case ('drag')    :"                                        +"\n"+
                    "default    :"                                        +"\n"+
                        "return"                                        +"\n"+
                "}"
    
    var contentNode = document.createElement("span")
    contentNode.runtimeStyle.position = "absolute"
    contentNode.runtimeStyle.width = contentWidth
    scrollContent.applyElement(contentNode, "inside")
    for (var i=0; i <= scrollXItems; i++)
    {
        for (var j=0; j <= scrollYItems ; j++)
        {
            if (i+j == 0)    continue
            var tempNode = contentNode.cloneNode(true)
            var contentLeft, contentTop
            scrollContent.insertBefore(tempNode)
            contentLeft = contentWidth * i
            contentTop = contentHeight * j
            tempNode.runtimeStyle.left = contentLeft
            tempNode.runtimeStyle.top  = contentTop
        }
    }

    scrollDiv.onpropertychange = function()
    {
        var propertyName = window.event.propertyName
        var propertyValue = eval("this." + propertyName)
        
        switch(propertyName)
        {
            case "zoom"        :
                var scrollObj = this.children[0]
                scrollObj.runtimeStyle.zoom = propertyValue
                var content_width  = scrollObj.children[0].offsetWidth  * propertyValue
                var content_height = scrollObj.children[0].offsetHeight * propertyValue
                scrollObj.runtimeStyle.left = -content_width  + (scrollObj.runtimeStyle.pixelLeft % content_width)
                scrollObj.runtimeStyle.top  = -content_height + (scrollObj.runtimeStyle.pixelTop  % content_height)
                break
        }
    }
    
    scrollDiv.onlosecapture = function()
    {
        this.state = this.tempState ? this.tempState : this.state
        this.runtimeStyle.cursor = ""
        this.removeAttribute("tempState")
        this.removeAttribute("start_x")
        this.removeAttribute("start_y")
        this.removeAttribute("default_left")
        this.removeAttribute("default_top")
    }
    
    scrollDiv.onmousedown = function()
    {
        if (this.state != "drag")    this.setAttribute("tempState", this.state)
        this.state = "drag"
        this.runtimeStyle.cursor = "default"
        this.setAttribute("start_x", event.clientX)
        this.setAttribute("start_y", event.clientY)
        this.setAttribute("default_left", this.children[0].style.pixelLeft)
        this.setAttribute("default_top", this.children[0].style.pixelTop)
        this.setCapture()
    }
    
    scrollDiv.onmousemove = function()
    {
        if (this.state != "drag")    return
        var scrollx = scrolly = 0
        var zoomValue = this.children[0].style.zoom ? this.children[0].style.zoom : 1
        var content_width = this.children[0].children[0].offsetWidth * zoomValue
        var content_Height = this.children[0].children[0].offsetHeight * zoomValue
        if (this.drag == "horizontal" || this.drag == "both")
        {
            scrollx = this.default_left + event.clientX - this.start_x
            scrollx = -content_width + scrollx % content_width
            this.children[0].runtimeStyle.left = scrollx
        }
        if (this.drag == "vertical" || this.drag == "both")
        {
            scrolly = this.default_top + event.clientY - this.start_y
            scrolly = -content_Height + scrolly % content_Height
            this.children[0].runtimeStyle.top = scrolly
        }
    }
    
    scrollDiv.onmouseup = function()
    {
        this.releaseCapture()
    }
    
    scrollDiv.state = "scroll"
    setInterval(scroll_script, speed ? speed : 20)
}