// ���� �����̽� ���ֱ�
  function trim(strchr) {
    var rstr;
    var tstr;
    rstr = ltrim(strchr);
    if (rstr.length == 0) return ("");
    tstr = rtrim(rstr);
    if (tstr.length == 0) return ("");
  
    return (tstr);
  }

// ���� �����̽� ���ֱ�
  function ltrim(strchr) {
    var strlen;
    var onechar;
    var chkflag;
    var i;
    strlen = strchr.length;
    if (strlen == 0) return ("");
    chkflag = 0;
    for (i = 0; i <= strlen; i++) {
  
      onechar = strchr.charAt(i);
      if (onechar == " ") {
        chkflag++;
      } else {
        if (strlen <= chkflag) return ("");
        return (strchr.substring(chkflag, strlen));
      }
    }
  }

// ������ �����̽� ���ֱ�
  function rtrim(strchr) {
    var strlen;
    var onechar;
    var chkflag;
    var i;
    strlen = strchr.length;
    if (strlen == 0) return ("");
  
    chkflag = 0;
  
    for (i = strlen - 1; i >= -1; i--) {
      onechar = strchr.charAt(i);
      if (onechar == " ") {
        chkflag++;
      } else {
        if (strlen <= chkflag) return ("");
        return (strchr.substring(0, strlen - chkflag));
      }
    }
  }

// �ֹε��üũ ���ֱ�
  function checkjoonum(it) {
    var i;
    var IDtot;
    var IDAdd;
    IDtot = 0;
    IDAdd="234567892345";
  
    for(i=0;i<12;i++) {
           IDtot = IDtot + parseInt(it.substring(i,i+1)) * parseInt(IDAdd.substring(i,i+1));
    }
  
    IDtot = 11 - (IDtot%11);
  
    if(IDtot==10) {
      IDtot=0;
    }  else if(IDtot==11) {
      IDtot=1;
    }
  
    if(parseInt(it.substring(12,13)) != IDtot) return (false);
  
    return (true);
  } 

  // ���ο� â ����
  function WinOpen(src,winname,toolbar,menu,scroll,resize,w,h){
    openwin = window.open (src,winname,"toolbar="+toolbar+",location=no,directories=no,status=no,menubar="+menu+",scrollbars="+scroll+",resizable="+resize+",width="+w+",height="+h);
    openwin.window.focus();
  }

  function search_(theForm,theURL,fieldName){
    if ( theForm.keytext.value == "" ){
      alert(fieldName + " ���������͂��Ă�������!!");
      theForm.keytext.focus();
      return false;
    }else{
      theForm.action = theURL;
      theForm.submit();
      return;
    }    
  }  

  function pageMove_(theURL,theField){
    location.href= theURL + "?page=" + theField; 
  }    
  
  function write_(theURL,theField){
    location.href= theURL + "?Num=" + theField; 
  }    
  
  function list_(theURL,theField){
    location.href= theURL + "?" + theField; 
  }  
 
  function reset_(theform){
    var strdoc = eval("document."+theform);
    strdoc.reset();
    strdoc.writer.focus();
    strdoc.writer.select();
  }
    
  function delete_(theURL,theField,Msg){
    var strmsg = Msg +"���e���폜���܂����H"
    if (Msg == ""){
      
      var strdoc = eval("document.form1." + theField);
      if (strdoc.value ==""){
        alert("�p�X���[�h����͂��Ă�������!!");
        strdoc.focus();
      }else{  
        document.form1.action = theURL;
        document.form1.submit();
      }  
    }else{
      if (confirm(strmsg)){
        location.href= theURL + "?" + theField; 
      }  
    }  
  }    
  
  function Msgsave_(theForm,theURL,theField,Msg){
    
    if (confirm(Msg)){
      theForm.action = theURL + "?" + theField;
      theForm.submit();
    }  
  }     

  function loadOn(theWidth,theHeight){
    var width  = screen.width;
    var height = screen.height; 
    var w      = (width - theWidth)/2;
    var h      = (height - theHeight)/2;
    self.moveTo(w,h);
  }
function checkemail(email) {
  var chkstr;
  var onechar, compchr;
  var chkflag;
  var chkmail;
  var chklen;
  var i;
  var j;
  chkstr = "@._-abcdefghijklmnopqrstuvwxyz0123456789";

  for (i = 0; i < email.length; i++) {
    onechar = email.charAt(i);
    chkflag = false;
    for (j = 0; j < chkstr.length; j++) {
      compchr = chkstr.charAt(j);
      if (onechar.toLowerCase() == compchr.toLowerCase()) chkflag = true;
    }
    if (chkflag == false) {
      return (false);
    }
  }
  if (email.indexOf("@") >= 1 && email.indexOf(" ") == -1 && email.indexOf(".") != 0)
  {
    chkmail = email.indexOf("@");
    if (email.indexOf(".", chkmail) > chkmail + 1 && email.indexOf("@", chkmail + 1) == -1)
    {
      chklen = email.length;
      if (email.indexOf(".", chklen - 1) == chklen - 1)
      {
        return (false);
      } else {
        return (true);
      }
    } else {
      return (false);
    }
  } else {
    return (false);
  }
}
//ADMIN-BOARD  �۳ѱ���� üũ.     
  function checking(){
    if(document.form1.writer.value == "")
    {
      alert("�쐬�҂̖��O����͂��Ă�������!!");
      document.form1.writer.focus();
      return;
     }
    if(document.form1.title.value == "")
    {
      alert("�^�C�g������͂��Ă�������!!");
      document.form1.title.focus();
      return;
     }
    if(document.form1.content.value == "")
    {
      alert("���e����͂��Ă������� !!");
      document.form1.content.focus();
      return;
     }
    if(document.form1.security.value == "")
    {
      alert("���e�̏C��/�폜�̎��v��܂�.");
      document.form1.security.focus();
      return;
     } 
   document.form1.submit();
   return true;
  }



//��������.����/�亯.�ڷ��- BOARD  �۳ѱ���� üũ.     
  function sending(){
    if(document.form1.writer.value == "")
    {
      alert("�쐬�҂̖��O����͂��Ă�������!!");
      document.form1.writer.focus();
      return;
     }
    if(document.form1.title.value == "")
    {
      alert("�^�C�g������͂��Ă�������!!");
      document.form1.title.focus();
      return;
     }
    if(document.form1.content.value == "")
    {
      alert("���e����͂��Ă������� !!");
      document.form1.content.focus();
      return;
     }
    document.form1.submit();
   return true;
  }
  

//Reset ()

  function reset_(theform){
    var strdoc = eval("document."+theform);
    strdoc.reset();
    strdoc.writer.focus();
    strdoc.writer.select();
  }  

//������.�Ϲ� �Խ��� �ۻ��� �Է�üũ
function dele_()
  {
  if(form1.security.value=="")
    {
      alert("  ���e�̏C��/�폜�̎��v��܂�!! ");
      form1.security.focus();
      return true;
    }
form1.submit()    
}

//������ ����
 function delok(this_num,thisvalue){
  var ismsg;
  ismsg = thisvalue + "���� ���� �Ͻðڽ��ϱ�?";
  if ( confirm(ismsg)){
    location.href = "delete.asp?Num=" + this_num;
  }
}  

//�˻� .....
function searching()
  {
  if(document.form1.search_string.value=="")
   {
   alert("  ���������͂��Ă�������!!");
   document.form1.search_string.focus();
  return;
   }
   document.form1.submit();
   return true;
  }




//���ڸ� �Է�üũ
function checkNumber(fm) 
{
	t = fm.value ;
	
	for(i=0;i<t.length;i++) 
	{
		if (t.charAt(i)<'0' || t.charAt(i)>'9')
		{
			alert("���ڸ� �Է����ּ���.") ;
			fm.value="";
			fm.focus() ;
			return false ;
		}
	}
}