var $Y = function (id) { return document.getElementById(id); }

$.loading = function () {
        var html = [
                     	'<div class="loading_bg"><iframe></iframe></div>',
    	                '<div class="loading_container">',
    		                '<div class="loading_box">',
    			                '<img src="/Content/Images/loader_bar.gif" alt="正在加载中..."/>',
    		                '</div>',
    	                '</div>'
                   ].join('');

    var obj = $('.loading_bg,.loading_container').length;
    if (obj > 0) {
        $('.loading_bg,.loading_container').show();
    } else {
        $(document.body).append(html);
    }
}
$.loadingClose = function () {
    $('.loading_bg, .loading_container').hide();
}

//自适应高度
$.adaphei = function (l, r) {
    var lhei = $(l).height();
    var rhei = $(r).height();
    if (lhei > rhei) {
        $(r).height(lhei);
    }
    else {
        $(l).height(rhei);
    }
}

//checkbox 的全选/全不选
function selectAll(checkbox) {
    $(":checkbox[id!=" + checkbox.id + "]").attr("checked", checkbox.checked);
}

function tabit(obj, c1, c2, url) {
    var idname = new String(obj.id);
    var s = idname.indexOf("_");
    var e = idname.lastIndexOf("_") + 1;
    var tabName = idname.substr(0, s);
    var id = parseInt(idname.substr(e, 1));
    var tabNumber = obj.parentNode.childNodes.length;
    for (i = 0; i < tabNumber; i++) {
        if ($Y(tabName + "_list_" + i) != null) {
            $Y(tabName + "_list_" + i).style.display = "none";
            $Y(tabName + "_menu_" + i).className = c2;
        }
    }
    $Y(tabName + "_list_" + id).style.display = "block";
    $Y("idomurl").href = url;
    obj.className = c1;
}