实现固定表头的列表页面

function FixTable(Height) {
    var H_Table = $("#listcont");
    H_Table = $(H_Table).length < 1 ? $(".listcont") : H_Table;
    if ($(H_Table).length > 0) {
        var trs = $(H_Table).find("tr");
        $(H_Table).removeClass("listcont").addClass("ReportCss");
                   //获取tbody元素下的所有tr元素
        for (var i = 1; i < trs.length; i++) {//循环tr元素
            if (i % 2 == 0) {        //取模. (取余数.比如 0%2=0 , 1%2=1 , 2%2=0 , 3%2=1)
                trs[i].style.backgroundColor = "#f5f8fd"; // 改变 符合条件的tr元素 的背景色.
            } 
        }
        $(H_Table).removeAttr("width");
        var FirstRow = $(H_Table).find("tr:first");
        if ($(FirstRow).length > 0) {
            FirstRow.remove(); //移除对象
            addPageControl(H_Table, FirstRow, Height);
        }
    }
};
//H_T :Table对象
//F_R :首行标题行
function addPageControl(H_T, F_R, Height) {
    var OutMost_Div = $("#OutMost_Div");
    if ($(OutMost_Div).length<1) {
        $("#divpagetop").after($("<div class='list' style='margin-top:5px;overflow-y:hidden;overflow-x:auto;' id='OutMost_Div'></div>"));
        var Just_Div = $("#OutMost_Div");
        if ($(Just_Div).length > 0) {
            $(Just_Div).append($("<table  border='0' cellspacing='0' cellpadding='0' class='ReportCss' style='table-layout:fixed' id='OutMost_Table'></table>"));
            var OustMoust_Table = $("#OutMost_Table");