var loadHead = function () {
    if ($("#head")) {
        $("#head").html("<div style='font-size:12px;line-height:16px;text-align:center;padding-top:" + $("#head").get(0).scrollHeight/2 + "px'><img src='/images/load.gif' height='16' />加载...</div>");
        $("#head").load("PcControl/Head.htm?m=" + Math.random());
    }
}
var loadFoot = function () {
    if ($("#foot")) {
        $("#foot").html("<div style='font-size:12px;line-height:16px;text-align:center;padding-top:" + $("#foot").get(0).scrollHeight / 2 + "px'><img src='/images/load.gif' height='16' />加载...</div>");
        $("#foot").load("PcControl/Foot.htm?m=" + Math.random());
    }
}
$(document).ready(function () { loadHead(); loadFoot(); });