text: var x, i, j, selElmnt, a, b, c;
      /* Look for any elements with the class "custom-select": */
      x = document.getElementsByClassName("custom-select");
      for (i = 0; i < x.length; i++) {
        selElmnt = x[i].getElementsByTagName("select")[0];
        /* For each element, create a new DIV that will act as the selected item: */
        a = document.createElement("DIV");
        a.setAttribute("class", "select-selected");
        a.innerHTML = selElmnt.options[selElmnt.selectedIndex].innerHTML;
        x[i].appendChild(a);
        /* For each element, create a new DIV that will contain the option list: */
        b = document.createElement("DIV");
        b.setAttribute("class", "select-items ");
        for (j = 1; j < selElmnt.length; j++) {
          /* For each option in the original select element,
          create a new DIV that will act as an option item: */
          c = document.createElement("DIV");
          c.innerHTML = selElmnt.options[j].innerHTML;
          c.addEventListener("click", function(e) {
              /* When an item is clicked, update the original select box,
              and the selected item: */
              var y, i, k, s, h;
              s = this.parentNode.parentNode.getElementsByTagName("select")[0];
              h = this.parentNode.previousSibling;
              for (i = 0; i < s.length; i++) {
                if (s.options[i].innerHTML == this.innerHTML) {
                  s.selectedIndex = i;
                  h.innerHTML = this.innerHTML;
                  y = this.parentNode.getElementsByClassName("same-as-selected");
                  for (k = 0; k < y.length; k++) {
                    y[k].removeAttribute("class");
                  }
                  this.setAttribute("class", "same-as-selected");
                     var clsid = document.getElementById("clasid_link").value;
                     
                       $.ajax({
                        method:'post',
                        url: base_url+'entries/Link/get_link_data',
                        data:{class_id:clsid},
                        dataType:'json',
                        success:function(res){
                          if(res.status){
                            
                            $('#linkbox').html(res.data);
                            if(res.messageaccess == "1"){
                     
                              $('#accesserror').show();  
                              $("#activelink").attr("href", "settings/Student/student/"+clsid);
                            }else{
                               $('#accesserror').hide();  
                            }
                            
                          }else{
                             
                          }
                         
                        }
                      });
                  break;
                }
              }
              h.click();
          });
          b.appendChild(c);
        }
        x[i].appendChild(b);
        a.addEventListener("click", function(e) {
          /* When the select box is clicked, close any other select boxes,
          and open/close the current select box: */
          e.stopPropagation();
          closeAllSelect(this);
  
          this.nextSibling.classList.toggle("select-hide");
          this.classList.toggle("select-arrow-active");
        });
      }
  
      function closeAllSelect(elmnt) {
        /* A function that will close all select boxes in the document,
        except the current select box: */
        var x, y, i, arrNo = [];
        x = document.getElementsByClassName("select-items");
        y = document.getElementsByClassName("select-selected");
        for (i = 0; i < y.length; i++) {
          if (elmnt == y[i]) {
            arrNo.push(i)
          } else {
            y[i].classList.remove("select-arrow-active");
          }
        }
        for (i = 0; i < x.length; i++) {
          if (arrNo.indexOf(i)) {
            x[i].classList.add("select-hide");
          }
        }
  
      }
      closeAllSelect();
      /* If the user clicks anywhere outside the select box,
      then close all select boxes: */
      document.addEventListener("click", closeAllSelect);
  
  //date picker
  //  $( function() {
  //    $( "#datepicker" ).datepicker({
  //      showOn: "button",
  //      buttonImage: "../images/calender.png",
  //      buttonImageOnly: true,
  //      buttonText: "Select date"
  //    });
  //  } );
  
    