if(top.location != self.location) {top.location = self.location.href}
  $(function(){
    $("input [type='text']").attr('autocomplete','off');
    if($("#credit").attr("checked")){
      if($("#email2").val()==""){$("#enter_email").show();}
      else {$("#not_yet_registered").show();}
    }
    $("[name='credit_basis']").click(function(){
      if($(this).val()=="credit"){$("#enter_email").show();$("#anonymous_course_list").hide();}
      else{$("#enter_email,#already_registered,#not_yet_registered").hide();$("#anonymous_course_list").show();}
    });
    $("#enter_email input[name='enter_email']").click(function(){
      ema=$("input[name='email0']").val();
      $.post('js/check_registered_user.php',{user_name: ema},function(data){
        if(data==1){$("#already_registered").show(); $("#user_name").val(ema);}
        else {$("#not_yet_registered").show(); $("#email1").val(ema);}
        $("#enter_email").hide(); 
      });
      return false;
    });
    $("#forgot_password").click(function(){
      $("#already_registered").hide();
      $("#not_yet_registered").show();
      ema=$("#user_name").val();
      $("#email1").val(ema);
      $("#email2").val(ema);
      return false;
    });

    if($("#school_id").val()==0){$(".activity_entry_row").hide();}
    $("#school_id").change(function(){
      if($(this).val()==0){$(".activity_entry_row").hide();}
      else{$(".activity_entry_row").show();}
    });
    $(".edit_school").click(function(){
      var sid=$(this).attr('id').substring(5);
      $("#activities_"+sid).show();
      $(".edit_school,.remove_school,#user_info,#course_list,#add_school").hide();
      return false;
    });
    $(".activity_active").each(function(){
      var pid=$(this).attr('name').substr(0,$(this).attr('name').length-6);
      if(!$(this).attr('checked')){$("."+pid+"position").hide();}
      else{$("."+pid+"position").show();}
    });
    $(".activity_active").click(function(){
      var pid=$(this).attr('name').substr(0,$(this).attr('name').length-6);
      if(!$(this).attr('checked')){$("."+pid+"position").attr('checked',false).hide();}
      else{$("."+pid+"position").show(); $("#"+pid+"position_other").attr('checked','checked');}
    });
    $("#add_school").click(function(){
      $("#school_entry").show();
      $("#add_school,#user_info,#course_list,.edit_school,.remove_school").hide();
      return false;
    });
    $("#edit_user_info").click(function(){
      $("#input_user_info").show();
      $("#user_info,#activity_info,#course_list").hide();
      return false;
    });
    if($("#number_schools").val() < 1){$("#no_school_warning").show(); $("#school_list,#course_list").hide();}
    if($(".user_info_error").text() != "" || $("#first_name").val() == "" || $("#last_name").val() == "" ){
      $("#input_user_info").show();
      $("#user_info,#activity_info,#course_list").hide();
    }
  });