function pageload() {
        // disable vertical scrolling if text doesn't overflow the div
        if (document.getElementById('content').scrollHeight <= document.getElementById('content').offsetHeight) {
            document.getElementById('scrollinner').style.display = "none";
        } else {
            document.getElementById('scrollouter').style.display = "block";			
         document.getElementById('uparrow').onmouseover = scrollUp;
         document.getElementById('uparrow').onmouseout = stopScroll;
         document.getElementById('downarrow').onmouseover = scrollDown;
         document.getElementById('downarrow').onmouseout = stopScroll;
        }
        
    }

    // scroll the element vertically based on its width and the slider maximum value
    function scrollVertical(value, element, slider) {
        element.scrollTop = Math.round(value/slider.maximum*(element.scrollHeight-element.offsetHeight));
    }

    curscroll = 0;

function scrollUp() {
    if (window.movedownvar) clearTimeout(movedownvar)
    element = document.getElementById("content");
    if (curscroll < 5 && curscroll >= 0) {
        curscroll = 0;
    } else if (curscroll > 5) {
        curscroll = curscroll - 5;
    }
    element.scrollTop = curscroll;
    moveupvar=setTimeout("scrollUp()",20)		
}

function scrollDown() {
    if (window.moveupvar) clearTimeout(moveupvar)
    element = document.getElementById("content");
    if (curscroll > element.scrollHeight-element.offsetHeight - 5 && curscroll <= element.scrollHeight-element.offsetHeight) {
        curscroll = element.scrollHeight-element.offsetHeight;
    } else if (curscroll <  element.scrollHeight-element.offsetHeight - 5) {
        curscroll = curscroll + 5;
    }
    element.scrollTop = curscroll;			
    movedownvar=setTimeout("scrollDown()",20)
}

function stopScroll(){
    if (window.moveupvar) clearTimeout(moveupvar)
    if (window.movedownvar) clearTimeout(movedownvar)
}

// Add the onload javascript
if (window.addEventListener) {
	window.addEventListener("load", pageload, false) //invoke function
}
if (window.attachEvent) {
	window.attachEvent("onload", pageload)
}