两个js有冲突，放在一起就有一个功能不能实现

两个js有冲突，放在一起下拉菜单的功能就不能实现，下拉菜单的js不放，下拉时间的就是正常的。
一个是下拉菜单的：
(function ($) {
    "use strict";
    var mainApp = {        initFunction: function () {
            /*MENU 
            ------------------------------------*/
            $('#main-menu').metisMenu();

            $(window).bind("load resize", function () {
                if ($(this).width() < 768) {
                    $('div.sidebar-collapse').addClass('collapse')
                } else {
                    $('div.sidebar-collapse').removeClass('collapse')
                }
            });            /* MORRIS BAR CHART
-----------------------------------------*/
            Morris.Bar({
                element: 'morris-bar-chart',
                data: [{
                    y: '2006',
                    a: 100,
                    b: 90
                }, {
                    y: '2007',
                    a: 75,
                    b: 65
                }, {
                    y: '2008',
                    a: 50,
                    b: 40
                }, {
                    y: '2009',
                    a: 75,
                    b: 65
                }, {
                    y: '2010',
                    a: 50,
                    b: 40
                }, {
                    y: '2011',
                    a: 75,
                    b: 65
                }, {
                    y: '2012',
                    a: 100,
                    b: 90
                }],
                xkey: 'y',
                ykeys: ['a', 'b'],
                labels: ['Series A', 'Series B'],
 barColors: [
    '#22a7f0','#1abc9c',
    '#A8E9DC' 
  ],
                hideHover: 'auto',
                resize: true
            });
 
            /* MORRIS DONUT CHART
----------------------------------------*/
            Morris.Donut({
                element: 'morris-donut-chart',
                data: [{
                    label: "Download Sales",
                    value: 12
                }, {
                    label: "In-Store Sales",
                    value: 30
                }, {
                    label: "Mail-Order Sales",
                    value: 20
                }],
   colors: [
    '#22a7f0','#1abc9c',
    '#A8E9DC' 
  ],
                resize: true
            });            /* MORRIS AREA CHART
----------------------------------------*/            Morris.Area({
                element: 'morris-area-chart',
                data: [{
                    period: '2010 Q1',
                    iphone: 2666,
                    ipad: null,
                    itouch: 2647
                }, {
                    period: '2010 Q2',
                    iphone: 2778,
                    ipad: 2294,
                    itouch: 2441
                }, {
                    period: '2010 Q3',
                    iphone: 4912,
                    ipad: 1969,
                    itouch: 2501
                }, {
                    period: '2010 Q4',
                    iphone: 3767,
                    ipad: 3597,
                    itouch: 5689
                }, {
                    period: '2011 Q1',
                    iphone: 6810,
                    ipad: 1914,
                    itouch: 2293
                }, {
                    period: '2011 Q2',
                    iphone: 5670,
                    ipad: 4293,
                    itouch: 1881
                }, {
                    period: '2011 Q3',
                    iphone: 4820,
                    ipad: 3795,
                    itouch: 1588
                }, {
                    period: '2011 Q4',
                    iphone: 15073,
                    ipad: 5967,
                    itouch: 5175
                }, {
                    period: '2012 Q1',
                    iphone: 10687,
                    ipad: 4460,
                    itouch: 2028
                }, {
                    period: '2012 Q2',
                    iphone: 8432,
                    ipad: 5713,
                    itouch: 1791
                }],
                xkey: 'period',
                ykeys: ['iphone', 'ipad', 'itouch'],
                labels: ['iPhone', 'iPad', 'iPod Touch'],
                pointSize: 2,
                hideHover: 'auto',
  pointFillColors:['#ffffff'],
  pointStrokeColors: ['black'],
  lineColors:['#22a7f0','#1abc9c'],
                resize: true
            });            /* MORRIS LINE CHART
----------------------------------------*/
            Morris.Line({
                element: 'morris-line-chart',
                data: [
  { y: '2014', a: 50, b: 90},
  { y: '2015', a: 165,  b: 185},
  { y: '2016', a: 150,  b: 130},
  { y: '2017', a: 175,  b: 160},
  { y: '2018', a: 80,  b: 65},
  { y: '2019', a: 90,  b: 70},
  { y: '2020', a: 100, b: 125},
  { y: '2021', a: 155, b: 175},
  { y: '2022', a: 80, b: 85},
  { y: '2023', a: 145, b: 155},
  { y: '2024', a: 160, b: 195}
],
            
 
      xkey: 'y',
      ykeys: ['a', 'b'],
      labels: ['Total Income', 'Total Outcome'],
      fillOpacity: 0.6,
      hideHover: 'auto',
      behaveLikeLine: true,
      resize: true,
      pointFillColors:['#ffffff'],
      pointStrokeColors: ['black'],
      lineColors:['gray','#1abc9c']
  
            });
           
        
            $('.bar-chart').cssCharts({type:"bar"});
            $('.donut-chart').cssCharts({type:"donut"}).trigger('show-donut-chart');
            $('.line-chart').cssCharts({type:"line"});            $('.pie-thychart').cssCharts({type:"pie"});
       
 
        },        initialization: function () {
            mainApp.initFunction();        }    }
    // Initializing ///    $(document).ready(function () {
        mainApp.initFunction(); 
$("#sideNav").click(function(){
if($(this).hasClass('closed')){
$('.navbar-side').animate({left: '0px'});
$(this).removeClass('closed');
$('#page-wrapper').animate({'margin-left' : '260px'});

}
else{
    $(this).addClass('closed');
$('.navbar-side').animate({left: '-260px'});
$('#page-wrapper').animate({'margin-left' : '0px'}); 
}
});
    });}(jQuery));第二个是下拉日期：
<script type="text/javascript">
$(function(){
$('.time').datetimepicker({
format: 'yyyy-mm-dd hh:ii',
language:"zh-CN",
minView:0,
autoclose:true
});
showTab();
});

function olclick(obj){
var text = $(obj).data('text'); 
var id = $(obj).data('id'); 
$(obj).parent().siblings("p").find('span').html(text);
$(obj).parent().siblings("p").find('input').val(id);
$(obj).parent().hide();

} $(document).ready(function(){
$(".order-li p").click(function(){
$(this).siblings('div').toggle();
$(this).parent('.order-li').siblings().children('.order-select').hide();
});

$("#search").click(function(){

var ordernum = $('input[name="ordernum"]').val();
var phone = $('input[name="phone"]').val();
var starttime = $('input[name="starttime"]').val();
var starttime2 = Date.parse(new Date(starttime));
starttime2 = starttime2 / 1000;
var endtime = $('input[name="endtime"]').val();
var endtime2 = Date.parse(new Date(endtime));
endtime2 = endtime2 / 1000;
var status = $('input[name="status"]').val();
var paytype = $('input[name="paytype"]').val();
var proid = $('input[name="proid"]').val();
var gzid = $('input[name="gzid"]').val();
var paytime = $('input[name="paytime"]').val();


if(!ordernum){ var ordernum = 'no';}
if(!phone){ var phone = 'no';}
if(!starttime2){ var starttime2 = 'no';}
if(!endtime2){ var endtime2 = 'no';}
if(!gzid){ var gzid = 'no';}
if(!paytype){ var paytype = 'no';}
if(!paytime){ var paytime = 'no';}

window.location.href = '__ROOT__/index.php?s=/admin/order/index/ordernum/'+ordernum+'/phone/'+phone+'/starttime/'+starttime2+'/endtime/'+endtime2+'/status/'+status+'/paytype/'+paytype+'/proid/'+proid+'/gzid/'+gzid+'/paytime/'+paytime+'.html';

});

$("#export").click(function(){

var ordernum = $('input[name="ordernum"]').val();
var phone = $('input[name="phone"]').val();
var starttime = $('input[name="starttime"]').val();
var starttime2 = Date.parse(new Date(starttime));
starttime2 = starttime2 / 1000;
var endtime = $('input[name="endtime"]').val();
var endtime2 = Date.parse(new Date(endtime));
endtime2 = endtime2 / 1000;
var status = $('input[name="status"]').val();
var paytype = $('input[name="paytype"]').val();
var proid = $('input[name="proid"]').val();
var gzid = $('input[name="gzid"]').val();
var paytime = $('input[name="paytime"]').val();


if(!ordernum){ var ordernum = 'no';}
if(!phone){ var phone = 'no';}
if(!starttime2){ var starttime2 = 'no';}
if(!endtime2){ var endtime2 = 'no';}
if(!gzid){ var gzid = 'no';}
if(!paytime){ var paytime = 'no';}

window.location.href = '__ROOT__/index.php?s=/admin/order/get_export/ordernum/'+ordernum+'/phone/'+phone+'/starttime/'+starttime2+'/endtime/'+endtime2+'/status/'+status+'/paytype/'+paytype+'/proid/'+proid+'/gzid/'+gzid+'/paytime/'+paytime+'.html';

});
});
</script>