//---------滚动效果------------------

var DivScRight;
var DivScLeft;
function DivScLeftExe(num)
{  var n1 = parseInt(document.getElementById(num).scrollLeft);
   var n2 = parseInt(document.getElementById(num).clientWidth);
   var n3 = parseInt(document.getElementById(num).scrollWidth);
		document.getElementById(num).scrollLeft +=2;
    if (n1 == n3)
    {
        DivScLeftEnd()
    }
    else
    {
        DivScLeft = setTimeout(function(){DivScLeftExe(num);},0);

    }
}
function DivScLeftEnd()
{
    clearTimeout(DivScLeft);
}
function DivScRightExe(num)
{
    var n1 = parseInt(document.getElementById(num).scrollLeft);
    var n2 = parseInt(document.getElementById(num).clientWidth);
    var n3 = parseInt(document.getElementById(num).scrollWidth);
    document.getElementById(num).scrollLeft -= 2;
    if (n1 == 0)
    {
        DivScRightEnd()
    }
    else
    {
        DivScRight = setTimeout(function(){DivScRightExe(num);},0);
    }
}
function DivScRightEnd()
{
    clearTimeout(DivScRight);
}