diff --git a/Customers/CustomsAviso.aspx b/Customers/CustomsAviso.aspx
index 3f0ad3e..83c6236 100644
--- a/Customers/CustomsAviso.aspx
+++ b/Customers/CustomsAviso.aspx
@@ -349,98 +349,98 @@
            
             if (id == "ContentPlaceHolder1_rbt_Alle") {
                 /*alert("testalle")*/
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, true);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, true);                
                 document.getElementById('container2').style.display = 'block';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 1
             } else if (id == "ContentPlaceHolder1_rbt_Freig") {
                 /*alert("testfreig")*/
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, true);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, true);
                 document.getElementById('container2').style.display = 'block';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 1
             } else if (id == "ContentPlaceHolder1_rbt_Ankunft") {
                 /*alert("testAnk")*/
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, false);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, false);
                 /*alert("hide")*/
                 document.getElementById('container2').style.display = 'none';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 0
             } else if (id == "ContentPlaceHolder1_rbt_Vorb") {
                 /*alert("tesvorb")*/
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, false);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, false);
                 document.getElementById('container2').style.display = 'none';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 0
             } else if (id == "ContentPlaceHolder1_rbt_Vorg") {
                 /*alert("tesvorg")*/
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, false);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, false);
                 document.getElementById('#container2').style.display = 'none';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 0
             } else if (id == "ContentPlaceHolder1_rbt_Erf") {
                 /*alert("testerf")*/
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, false);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, false);
                 document.getElementById('container2').style.display = 'none';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 0
             } else if (id == "ContentPlaceHolder1_rbt_Alle_M") {
                /* alert("testalle") */
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, true);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, true);
                 document.getElementById('container2').style.display = 'block';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 1
             } else if (id == "ContentPlaceHolder1_rbt_Freig_M") {
                 /*alert("testfreig")*/
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, true);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, true);
                 document.getElementById('container2').style.display = 'block';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 1
             } else if (id == "ContentPlaceHolder1_rbt_Ankunft_M") {
                 /*alert("testAnk")*/
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, false);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, false);
                 document.getElementById('container2').style.display = 'none';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 0
             } else if (id == "ContentPlaceHolder1_rbt_Vorb_M") {
                 /*alert("tesvorb")*/
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, false);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, false);
                 document.getElementById('container2').style.display = 'none';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 0
             } else if (id == "ContentPlaceHolder1_rbt_Vorg_M") {
                 /*alert("tesvorg")*/
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, false);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let  myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, false);
                 document.getElementById('container2').style.display = 'none';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 0
             } else if (id == "ContentPlaceHolder1_rbt_Erf_M") {
                 /*alert("testerf")*/
-                var myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
+                let myVal1 = document.getElementById('ContentPlaceHolder1_valreqpickdate1');
                 ValidatorEnable(myVal1, false);
-                var myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
+                let myVal2 = document.getElementById('ContentPlaceHolder1_valreqpickdate2');
                 ValidatorEnable(myVal2, false);
                 document.getElementById('container2').style.display = 'none';
                 document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value = 0
@@ -454,7 +454,7 @@
       });
 
       function PostBack() {
-          var hidden = document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value;
+          let hidden = document.getElementById('ContentPlaceHolder1_.HIDf2'.ClientID).value;
           
           if (hidden == '1') {
               setTimeout(function () { $("#container2").hide(); document.getElementById('<%Response.Write(HIDf2.ClientID)%>').value = 0 }, 10);
@@ -495,7 +495,7 @@
            $("#accordionExample").on('hidden.bs.collapse', function () {
                $.removeCookie('activeAccordionGroup');
            });
-           var last = $.cookie('activeAccordionGroup');
+           let last = $.cookie('activeAccordionGroup');
            if (last != null) {
                //remove default collapse settings
                $("#accordionExample").removeClass('in');