var scrollTimeout;

function ScrollDivUp()
{
    document.getElementById('ctl00_mContentPlaceHolder_divProductList').scrollTop = document.getElementById('ctl00_mContentPlaceHolder_divProductList').scrollTop + 25;
    
    scrollTimeout = setTimeout("ScrollDivUp()", 100);
}


function ScrollDivDown()
{
    document.getElementById('ctl00_mContentPlaceHolder_divProductList').scrollTop = document.getElementById('ctl00_mContentPlaceHolder_divProductList').scrollTop - 25;
    
    scrollTimeout = setTimeout("ScrollDivDown()", 100);
}

function CancelScroll()
{
    scrollTimeout = clearTimeout(scrollTimeout);
}