/***************************************************
some JavaScript functions for ip loger & blocker

ver 0.1

by highseek

**************************************************/

function decodeURL(str){

    var s0, i, j, s, ss, u, n, f;

    s0 = "";                // decoded str

    for (i = 0; i < str.length; i++){   // scan the source str

        s = str.charAt(i);

        if (s == "+"){s0 += " ";}       // "+" should be changed to SP

        else {

            if (s != "%"){s0 += s;}     // add an unescaped char

            else{               // escape sequence decoding

                u = 0;          // unicode of the character

                f = 1;          // escape flag, zero means end of this sequence

                while (true) {

                    ss = "";        // local str to parse as int

                        for (j = 0; j < 2; j++ ) {  // get two maximum hex characters for parse

                            sss = str.charAt(++i);

                            if (((sss >= "0") && (sss <= "9")) || ((sss >= "a") && (sss <= "f"))  || ((sss >= "A") && (sss <= "F"))) {

                                ss += sss;      // if hex, add the hex character

                            } else {--i; break;}    // not a hex char., exit the loop

                        }

                    n = parseInt(ss, 16);           // parse the hex str as byte

                    if (n <= 0x7f){u = n; f = 1;}   // single byte format

                    if ((n >= 0xc0) && (n <= 0xdf)){u = n & 0x1f; f = 2;}   // double byte format

                    if ((n >= 0xe0) && (n <= 0xef)){u = n & 0x0f; f = 3;}   // triple byte format

                    if ((n >= 0xf0) && (n <= 0xf7)){u = n & 0x07; f = 4;}   // quaternary byte format (extended)

                    if ((n >= 0x80) && (n <= 0xbf)){u = (u << 6) + (n & 0x3f); --f;}         // not a first, shift and add 6 lower bits

                    if (f <= 1){break;}         // end of the utf byte sequence

                    if (str.charAt(i + 1) == "%"){ i++ ;}                   // test for the next shift byte

                    else {break;}                   // abnormal, format error

                }

            s0 += String.fromCharCode(u);           // add the escaped character

            }

        }

    }

    return s0;

}

function getCookie( cookieName )
 {
  var search = cookieName + "=";
  var cookie = decodeURL(document.cookie); 
  // ÇöÀç ÄíÅ°°¡ Á¸ÀçÇÒ °æ¿ì
  if( cookie.length > 0 )
  {
   // ÇØ´ç ÄíÅ°¸íÀÌ Á¸ÀçÇÏ´ÂÁö °Ë»öÇÑ ÈÄ Á¸ÀçÇϸé À§Ä¡¸¦ ¸®ÅÏ.
   var startIndex = cookie.indexOf( cookieName );


   // ¸¸¾à Á¸ÀçÇÑ´Ù¸é
   if( startIndex != -1 )
   {
    // °ªÀ» ¾ò¾î³»±â À§ÇØ ½ÃÀÛ À妽º Á¶Àý
    startIndex += cookieName.length;

    // °ªÀ» ¾ò¾î³»±â À§ÇØ Á¾·á À妽º ÃßÃâ
    endIndex = cookie.indexOf( "&", startIndex);
    // ¸¸¾à Á¾·á À妽º¸¦ ¸øã°Ô µÇ¸é ÄíÅ° Àüü±æÀÌ·Î ¼³Á¤

    if( endIndex == -1) 
	{
	endIndex = cookie.indexOf( "%26", startIndex);
	    if( endIndex == -1) 
		{
		endIndex = document.cookie.length;
		}
	}
    // ÄíÅ°°ªÀ» ÃßÃâÇÏ¿© ¸®ÅÏ
    return cookie.substring( startIndex+1 , endIndex ) ;
   }
   else
   {
    // ÄíÅ° ³»¿¡ ÇØ´ç ÄíÅ°°¡ Á¸ÀçÇÏÁö ¾ÊÀ» °æ¿ì
    return "";
   }
  }
  else
  {
   // ÄíÅ° ÀÚü°¡ ¾øÀ» °æ¿ì
   return "";
  }
 }


function setCookie (name,value,expires,path,domain,secure) {
  document.cookie = name + "=" + escape (value) +
    ((expires) ? "; expires=" + expires.toGMTString() : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    ((secure) ? "; secure" : "");
}


function delete_ip(s)
{

var regexp=/^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4]\d|[01]?\d\d|\d)\.(25[0-5]|2[0-4]\d|[01]?\d\d|\d)\.(25[0-5]|2[0-4]\d|[01]?\d\d|\d)$/; 

var temp=regexp.exec(s);
if(temp==null)
{
alert("ip Çü½ÄÀÌ ¿Ã¹Ù¸£Áö ¾Ê½À´Ï´Ù");
return false;
}
else if(confirm("ip "+s+"ÀÇ ±â·ÏÀ» »èÁ¦ÇϽðڽÀ´Ï±î?"))
{
return true;
}
else
return false;
}

function delete_id(s)
{
if (confirm("¾ÆÀ̵ð "+s+"´ÔÀÇ ±â·ÏÀ» »èÁ¦ÇϽðڽÀ´Ï±î?"))
{
return true;
}
else
return false;
}

function search_ip(s)
{

var regexp=/^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4]\d|[01]?\d\d|\d)\.(25[0-5]|2[0-4]\d|[01]?\d\d|\d)\.(25[0-5]|2[0-4]\d|[01]?\d\d|\d)$/; 

var temp=regexp.exec(s);
if(temp==null)
{
alert("ip Çü½ÄÀÌ ¿Ã¹Ù¸£Áö ¾Ê½À´Ï´Ù");
return false;
}
else
{
return true;
}
}