Do(function() {
    var nav_list = [$(".nav_chost"),$(".nav_dyDNS"), $(".nav_service_support")];
    var nav_list_ul = [$(".chost"),$(".dyDNS"), $(".service_support")];
    $.each(nav_list, function(i, n) {
        n.hover(function() {
            nav_list_ul[i].css("display", "block");
        }, function() {
            nav_list_ul[i].css("display", "none");
        });
    });
    $.each(nav_list_ul, function(i, n) {
        n.hover(function() {
            n.css("display", "block");
            nav_list[i].addClass("nav_hover")
        }, function() {
            n.css("display", "none");
            nav_list[i].removeClass("nav_hover")
        });
    });    
});
//弹出框
var ui = {};
ui.createMask = function(g, isBg, h) {
    ui.removeMask();

    var $bodyobj = $(document.body);
    var bodywidth = $bodyobj.width();
    var bodyheight = $(document).height();
    var getPosLeft = (bodywidth - parseInt(h.width)) / 2;
    var getPosTop = (document.documentElement.scrollTop > 0 ? document.documentElement.scrollTop : document.body.scrollTop) + 150;

    if (isBg) {
        var c = $("<div id='graymaskdiv'></div>");
        c.css({
            position : "absolute",
            top : 0,
            left : 0,
            "z-index" : 1000,
            width : bodywidth,
            height : bodyheight,
            "background-color" : "#000000",
            opacity : 0.4
        });
        c.appendTo($bodyobj)
    }

    var f = $("<div id='msgwhole' style='width:" + (parseInt(h.width) + 0) + "px;text-align:center; padding:1px;position:absolute;background:rgba(5, 116, 182, .25);border-radius: 5px;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#3F000000,endColorstr=#3F000000);top:" + getPosTop + "px;left:" + getPosLeft + "px;z-index:" + 1000 + "'>" + "<div id='msgdiv' style='display:inline;float:left; padding:0; background:#FFF;'>" + "</div>" + "</div>");
    if (h) {
        f.css({
            top : h.top,
            right : h.right
        })
    }
    if (h) {
        f.find("div").css({
            width : h.width,
            'min-height' : h.height,
            '_height' : h.height,
            background : h.background
        })
    }
    f.appendTo($bodyobj);
    g.appendTo($("#msgdiv"));
    $(".pop_close,.pop_cancel").bind("click", function() {
        ui.removeMask();
    })
}
//关闭层
ui.removeMask = function() {
    $("#graymaskdiv").detach();
    $("#msgwhole").detach();
}