function  checkUserSelect(MD) {
   var check_nums = document.signform.elements.length;
   for(var i = 0; i < check_nums; i++) {
      var checkbox_obj = eval("document.signform.elements[" + i + "]");
      if(checkbox_obj.checked == true) {
         break;
      }
   }
   if(i == check_nums) {
      alert("¼±ÅÃµÈ °Ô½Ã¹°ÀÌ ¾ø½À´Ï´Ù.\n¿øÇÏ´Â °Ô½Ã¹°ÀÇ ¿À¸¥ÂÊ Ã¼Å©¹Ú½º¿¡ üũÇÏ½Ã¸é µË´Ï´Ù.");
      return;   
   } else {
	   if(MD=="D"){  // ¿©·¯±Û »èÁ¦ ÀÎ °æ¿ì...
			document.signform.MD.value="multidel";
			alert('¿©·¯±Û »èÁ¦ ÁøÇàÇÕ´Ï´Ù.');
			mess="Á¤¸»·Î »èÁ¦ÇϽðڽÀ´Ï±î?";
			if(confirm(mess))
			{
			    document.signform.submit();
			}
			else
		    {
				return;
			 }
	   }
	   else		// ¿©·¯±Û º¸±â..
	   {
				document.signform.submit();
	   }
   }   
}

function ToggleCheckAll(button) {  // üũ¹Ú½º Àüü ÀüÅÃ..
	var sa=true;
	if(button.checked) sa=false;
	for (var i=0;i<document.signform.elements.length;i++) {
		var e = document.signform.elements[i];
		if(sa) e.checked=false;
		else e.checked=true;
	}
	if(sa) button.checked=false;
	else button.checked=true;
}

//-------------------------------------------------------------

function MailTo(tomail){
	window.open('mailsend.php?tomail='+tomail,'notice','width=550,height=300,top=200,left=150');
}


function checkIt(form) {      
   if(NameCheck(form.name.value)==false) {
      alert('À̸§Àº Çѱ۷ΠÁ¤È®È÷ ÀÔ·ÂÇϼ¼¿ä!');
      form.name.focus();
      return;
   } else if(form.passwd.value.length < 4) {
      alert('ºñ¹Ð¹øÈ£¸¦ 4ÀÚ ÀÌ»ó ÀÔ·ÂÇϼ¼¿ä!');
      form.passwd.focus();
      return;
   } else if(form.subject.value.length < 5) {
      alert('Á¦¸ñÀ» ÀÔ·ÂÇϼ¼¿ä! ÃÖ¼Ò5ÀÚ ÀÔ´Ï´Ù. ');
      form.subject.focus();
      return;
   } else if (form.email.value && !CheckEmail(form.email.value) ) {
      alert( "E-MailÀ» Á¤È®ÇÏ°Ô ÀÔ·ÂÇϽʽÿÀ." );
      form.email.focus();
      return;
/*   } else if (form.Remail.checked && !CheckEmail(form.email.value) ) {
      alert( "E-MailÀ» ÀÔ·ÂÇÏ¼Å¾ß ´äº¯¸ÞÀÏÀ» ¹ÞÀ¸½Ç ¼ö ÀÖ½À´Ï´Ù." );
      form.email.focus();
      return;  */
   } else if(!form.comment.value) {
      alert('¸Þ½ÃÁöº»¹®À» ÀÔ·ÂÇϼ¼¿ä!');
      form.comment.focus();
      return;
   } else {            
	  form.submit();
   }
}
//###########################################

function NameCheck(Name) {
	if(Name.length < 2) {
				return false;
	} else {
			  for( var intinx = 0; intinx <= Name.length -1 ; intinx++ ){ 
			ch = escape(Name.substring(intinx,intinx+1)); 
			if ( ch.length < 6 || ch.substring(2,6) < "AC00" || ch.substring(2,6) > "D7AF" )
			{
				return false;
			}		// if
				}  // for
	} // if
}

function CheckEmail(strEmail)
{
    var regDoNot = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; 
    var regMust = /^.+\@[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3})$/;

    if ( !regDoNot.test(strEmail) && regMust.test(strEmail) )
        return true;
    else
        return false;
}


//-------------------------------------------------------------

function Down(code,file){
	//window.open('/bbs/down.php?code='+code+'&filename='+file,'notice','width=10,height=10,top=450,left=450');
	mess=file+" ÆÄÀÏÀ» ´Ù¿î¹Þ°Ú½À´Ï±î?"
	if(confirm(mess)){	
		url='/bbs/down.php?code='+code+'&filename='+file;
		document.location.href=url;
	}
}