function checkLoginId() {

var k=0;

}

          function login_chk(){
              if(document.writeform.user_id.value.length == 0){
                  alert('IDを入力してください。');
                  document.writeform.user_id.focus();
                  return;
              }
              if(document.writeform.user_pw.value.length == 0){
                  alert('パスワードを入力してください。');
                  document.writeform.user_pw.focus();
                  return;
              }
              document.writeform.action = './?para=chk';
              document.writeform.modi.value='$modi';
              document.writeform.submit();
          }

          function cancel_chk(){
              document.writeform.action = './';
              document.writeform.target = '_top';
              document.writeform.submit();
          }