/* °ËÁõ */

   function check_userid(objtext) {

       var str = objtext.value ;
       var len = str.length;
       var ch = str.charAt(0);

       if(!str) {
           alert("Please Enter Your Member ID");
           objtext.focus(); 
           objtext.select();
       return false;
       }
      
       if(ch < 'a' || ch > 'z')
       {
           alert("Member ID Lower case, alphanumeric - 3 ~ 16 characters");
           objtext.focus();
           objtext.select();
       return false;
       }

       if(len < 3 || len > 16)
       {
           alert("Member ID Lower case, alphanumeric - 3 ~ 16 characters");
           objtext.focus();
           objtext.select();
           return false;
       }
      
       for (i = 0; i < len; i++) {
	   
           ch = str.charAt(i);

           if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z') || (ch == '_' || ch == '-')) {
               continue;
           }
           else {
               alert("Member ID Lower case, alphanumeric - 3 ~ 16 characters");
               objtext.focus();
               objtext.select();
           return false;
           }

       }
   
   return true;
   }

   function check_password(objtext1,objtext2) {
   
       var str1 = objtext1.value;
       var str2 = objtext2.value;
       var len = str1.length;
       var ch;
   
       for (i = 0; i < len; i++) {

           ch = str1.charAt(i);

           if((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z') || (ch == '_' || ch == '-')){
               continue;
           }
           else {
               alert("Password Lower case, alphanumeric - 4 ~ 16 characters");
               str1="";
               objtext1.focus();
               objtext1.select();
           return false;
           }

       }
      
      if (len < 4 || len > 16) {
           alert("Password Lower case, alphanumeric - 4 ~ 16 characters");
           str1="";
           objtext1.focus();
           objtext1.select();
       return false;
       }
      
       if (objtext1.value != objtext2.value) {
           alert("Password incorrect, please try again.");
           str1="";
           str2="";
           objtext1.focus();
           objtext1.select();
       return false;
       }
      
   return true;
   }
   
   function check_username(objtext) {
   
       var str = objtext.value;
       var len = str.length;   

       if (len < 2) {
           alert("À̸§Àº 2ÀÚÀÌ»óÀ¸·Î ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
           objtext.focus();
           objtext.select();
       return false;
       }
      
   return true;
   }
   
   function check_email(objtext) {
   
       var str = objtext.value;
       var len = str.length;   
      
       if (len < 3) {
           alert( "email incorrect, please try again." );
           objtext.focus();
           objtext.select();
       return false;
       }

       if((str.indexOf("@") == -1) || (str.indexOf(".") == -1)){
           alert("email incorrect, please try again.");
           objtext.focus();
           objtext.select();
       return false; 
       }
      
   return true;
   }
   
   function check_jumin(objtext1,objtext2) {
   
       var str1 = objtext1.value;
       var str2 = objtext2.value;
       var len1 = str1.length;
       var len2 = str2.length;
       var ch;
   
       if (len1 != 6) {
           alert("Á¤È®ÇÑ Áֹεî·Ï¹øÈ£¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
           objtext1.focus();
           objtext1.select();
       return false;
       }
         
       if (len2 != 7) {
           alert("Á¤È®ÇÑ Áֹεî·Ï¹øÈ£¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä.");
           objtext2.focus();
           objtext2.select();
       return false;      
       }
      
       for (var i = 0; i < str1.length; i++) {

           ch = str1.charCodeAt(i);

           if (ch < 48 || ch > 57) {
               alert("Áֹεî·Ï¹øÈ£´Â ¼ýÀÚ¸¸ »ç¿ëÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù.");
               objtext1.focus();
               objtext1.select();
           return false;
           }

       }
   
       for (var i = 0; i < str2.length; i++) {

           ch = str2.charCodeAt(i);

           if (ch < 48 || ch > 57) {
               alert("Áֹεî·Ï¹øÈ£´Â ¼ýÀÚ¸¸ »ç¿ëÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù.");
               objtext2.focus();
               objtext2.select();
           return false;
           }

       }
   
       var f1=str1.substring(0,1);
       var f2=str1.substring(1,2);
       var f3=str1.substring(2,3);
       var f4=str1.substring(3,4);
       var f5=str1.substring(4,5);
       var f6=str1.substring(5,6);
       var hap=f1*2+f2*3+f3*4+f4*5+f5*6+f6*7;
       var l1=str2.substring(0,1);
       var l2=str2.substring(1,2);
       var l3=str2.substring(2,3);
       var l4=str2.substring(3,4);
       var l5=str2.substring(4,5);
       var l6=str2.substring(5,6);
       var l7=str2.substring(6,7);
       hap=hap+l1*8+l2*9+l3*2+l4*3+l5*4+l6*5;
       var rem=hap%11;
       rem=(11-rem)%10;

       if (rem != l7) {
           alert("À߸øµÈ Áֹεî·Ï¹øÈ£ ÀÔ´Ï´Ù.");
           objtext1.focus();
           objtext1.select();     
       return false;
       }
      
   return true;
   }
   
   function check_birth(objtext1,objtext2,objtext3) {
   
       var str1 = objtext1.value;
       var str2 = objtext2.value;
       var str3 = objtext3.value;
       var len1 = str1.length;
       var len2 = str2.length;
       var len3 = str3.length;
       var ch;
   
       if (len1 != 4) {
           alert("³âµµ´Â 4ÀÚ¸® ÀÔ´Ï´Ù.");
           objtext1.focus();
           objtext1.select();
       return false;
       }
      
       if ((len2 < 1 || len2 > 2 ) || (str2 < 1 || str2 > 12)) {
           alert("À߸øµÈ ¿ù ÀÔ´Ï´Ù.");
           objtext2.focus();
           objtext2.select();
       return false;
       }
   
       if ((len3 < 1 || len3 > 3) || (str3 < 1 || str3 > 31)) {
           alert("À߸øµÈ ÀÏ ÀÔ´Ï´Ù.");
           objtext3.focus();
           objtext3.select();
       return false;
       }
         
       for (var i = 0; i < len1; i++) {

           ch = str1.charCodeAt(i);

           if (ch < 48 || ch > 57) {
               alert("³âµµ´Â ¼ýÀÚ¸¸ »ç¿ëÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù.");
               objtext1.focus();
               objtext1.select();
               return false;
           }

       }
   
       for (var i = 0; i < len2; i++) {

           ch = str2.charCodeAt(i);

           if (ch < 48 || ch > 57) {
               alert("¿ùÀº ¼ýÀÚ¸¸ »ç¿ëÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù.");
               objtext2.focus();
               objtext2.select();
           return false;
           }

       }
   
       for (var i = 0; i < len3; i++) {

           ch = str3.charCodeAt(i);

           if (ch < 48 || ch > 57) {
               alert("ÀÏÀº ¼ýÀÚ¸¸ »ç¿ëÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù.");
               objtext3.focus();
               objtext3.select();
           return false;
           }

       }
            
   return true;
   }
   
   /* --------------------------------------------------------------------------------------- */
   
   function check_password2(objtext) {
   
       var str = objtext.value;
       var len = str.length;
       var ch;
   
       for (i = 0; i < len; i++) {

           ch = str.charAt(i);

           if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'z') || (ch == '_' || ch == '-')) {
               continue;
           }
           else {
               alert("Password Lower case, alphanumeric - 4 ~ 16 characters");
               str="";
               objtext.focus();
               objtext.select();
           return false;
           }

       }
      
       if (len < 4 || len > 16) {
           alert("Password Lower case, alphanumeric - 4 ~ 16 characters");
           str="";
           objtext.focus();
           objtext.select();
       return false;
       }
      
   return true;
   }
   
   function check_subject(objtext) {
   
       var str = objtext.value;
       var len = str.length;
       var ch;

       if (len < 1) {
           alert("Please enter the 'Subject'");
           str="";
           objtext.focus();
           objtext.select();
       return false;
       }
      
   return true;
   }
   
   function check_content(objtext) {
   
       var str = objtext.value;
       var len = str.length;
       var ch;
   
       if (len < 1) {
           alert("Please enter the 'Content'");
           str="";
           objtext.focus();
           objtext.select();
       return false;
       }

   return true;
   }
   
   function check_category(objtext) {
   
       var str = objtext.value;
   
       if (str < 1) {
           alert("Please select the 'Category'");
           objtext.focus();
       return false;
       }
      
   return true;
   }

   /* --------------------------------------------------------------------------------------- */
   function openwindow(strLink,strTitle,strSize) {  
       Printer = window.open(strLink,strTitle,strSize);
       Printer.focus();                          
   }
   /* --------------------------------------------------------------------------------------- */
   
   function select_no() {
   
       var i = 0;

       while (i < document.frmList.elements.length) {
           if (document.frmList.elements[i].name == 'rowno') {
               if (document.frmList.elements[i].checked)
                   document.frmList.elements[i].checked = false;
               else
                   document.frmList.elements[i].checked = true;
           }
       i++;
       }
   }

   function select_view() {

       var nCount = 0;

	   if(document.frmList.rowno != null){
	       for (var i = 0; i < document.frmList.rowno.length; i++) {
	           if (document.frmList.rowno[i].checked == true) {
	               nCount++;
	           }
	       }

      	   if(document.frmList.rowno.checked == true){
	           nCount = 1;
	       }  
       }

       if (nCount == 0) {
           alert('Please select the Article');
       }
       else {
           document.frmList.submit();
       }
   }

   /* --------------------------------------------------------------------------------------- */
   function pagelink(strLink) {  
       location = strLink;
   }
   /* --------------------------------------------------------------------------------------- */