20150722---点击按钮使指定的控件可见部分平移（JS）

    <div id="out"  style=" width:400px;overflow:hidden;">
        <div id="int" style="white-space:nowrap;width:800px;">
            <asp:Label ID="lblTable" runat="server" Text="Label"></asp:Label>
        </div>
    </div>  
    <label onmousedown="marqueeById(‘l‘,‘out‘)" onmouseup="marqueeStop()">&lt;&lt;&lt;&lt;</label>
    <label onmousedown="marqueeById(‘r‘,‘out‘)" onmouseup="marqueeStop()">&gt;&gt;&gt;&gt;</label>

        protected void Page_Load(object sender, EventArgs e)
        {
            ShowMenu(20);
        }
        private void ShowMenu(int m)
        {
            string strTable = "";
            for (int i = 0; i <= m; i++)
            {
                strTable += "<a href=\"# \" class=\"nav\" ><span>" + i + "</span></a>";
            }
            lblTable.Text = strTable;
        }

var speed = 10; //数字越大速度越慢
var getId; //需要移动的控件ID
var myMark;//开关标记
function marqueeById(direction,id) {
    getId = document.getElementById(id);
    direction == "r" ? moveRight() : moveLeft();
}
function marqueeStop() {
    clearInterval(myMark);
}
function moveRight() {
    myMark = setInterval(function () { getId.scrollLeft++ }, speed);
}
function moveLeft() {
    myMark = setInterval(function () { getId.scrollLeft-- }, speed);
}