function checkValues() {
  str = membership["membership[name]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("±ÍÇÏÀÇ À̸§À» ÀÔ·ÂÇØÁÖ¼¼¿ä.");
    membership["membership[name]"].value = str;
    membership["membership[name]"].focus();
    return;
  }

  str = membership["membership[jumin1]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("±ÍÇÏÀÇ Áֹεî·Ï¹øÈ£¸¦ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
    membership["membership[jumin1]"].value = str;
    membership["membership[jumin1]"].focus();
    return;
  }
  if (!isStringNumber(str)) {
    alert("¼ýÀÚ¸¸ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
    membership["membership[jumin1]"].value = "";
    membership["membership[jumin1]"].focus();
    return;
  }
  if (str.length < 6) {
    alert("Áֹεî·Ï¹øÈ£°¡ ¿Ã¹Ù¸£Áö ¾Ê½À´Ï´Ù.");
    membership["membership[jumin1]"].value = "";
    membership["membership[jumin1]"].focus();
    return;
  }

  str = membership["membership[jumin2]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("±ÍÇÏÀÇ Áֹεî·Ï¹øÈ£¸¦ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
    membership["membership[jumin2]"].value = str;
    membership["membership[jumin2]"].focus();
    return;
  }
  if (!isStringNumber(str)) {
    alert("¼ýÀÚ¸¸ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
    membership["membership[jumin2]"].value = "";
    membership["membership[jumin2]"].focus();
    return;
  }
  if (str.length < 7) {
    alert("Áֹεî·Ï¹øÈ£°¡ ¿Ã¹Ù¸£Áö ¾Ê½À´Ï´Ù.");
    membership["membership[jumin2]"].value = "";
    membership["membership[jumin2]"].focus();
    return;
  }

  if (!checkReliabilityOfJuminNumber(membership["membership[jumin1]"].value,membership["membership[jumin2]"].value)) {
    alert("Áֹεî·Ï¹øÈ£°¡ ¿Ã¹Ù¸£Áö ¾Ê½À´Ï´Ù.");
    membership["membership[jumin2]"].value = "";
    membership["membership[jumin2]"].focus();
    return;
  }

  str = membership["membership[zipcode]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("¿ìÆí¹øÈ£ °Ë»öÀ» ÅëÇØ ÁÖ¼Ò¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[zipcode]"].value = str;
    return;
  }
  str = membership["membership[address1]"].value;
  str = str.replace(/\s+/g,' ');
  if (!str || str == "" || str == " ") {
    alert("¿ìÆí¹øÈ£ °Ë»öÀ» ÅëÇØ ÁÖ¼Ò¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[address1]"].value = str;
    return;
  }
  str = membership["membership[address2]"].value;
  str = str.replace(/\s+/g,' ');
  if (!str || str == "" || str == " ") {
    alert("»ó¼¼ÇÑ ÁÖ¼Ò¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[address2]"].value = str;
    membership["membership[address2]"].focus();
    return;
  }

  str = membership["membership[tel1]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("ÀüÈ­¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[tel1]"].value = str;
    membership["membership[tel1]"].focus();
    return;
  }
  if (!isStringNumber(str)) {
    alert("¼ýÀÚ¸¸ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
    membership["membership[tel1]"].value = str;
    membership["membership[tel1]"].focus();
    return;
  }
  str = membership["membership[tel2]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("ÀüÈ­¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[tel2]"].value = str;
    membership["membership[tel2]"].focus();
    return;
  }
  if (!isStringNumber(str)) {
    alert("¼ýÀÚ¸¸ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
    membership["membership[tel2]"].value = str;
    membership["membership[tel2]"].focus();
    return;
  }
  str = membership["membership[tel3]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("ÀüÈ­¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[tel3]"].value = str;
    membership["membership[tel3]"].focus();
    return;
  }
  if (!isStringNumber(str)) {
    alert("¼ýÀÚ¸¸ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
    membership["membership[tel3]"].value = str;
    membership["membership[tel3]"].focus();
    return;
  }

  str = membership["membership[id]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("»ç¿ëÇÏ½Ç ID¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[id]"].value = str;
    membership["membership[id]"].focus();
    return;
  }
  if (!isStringNumberOrAlphabet(str)) {
    alert("¿µ¹®°ú ¼ýÀÚÁ¶ÇÕÀ¸·Î ID¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[id]"].value = str;
    membership["membership[id]"].focus();
    return;
  }
  if (str.length < 4) {
    alert("ID´Â 4-10ÀÚ À̳»ÀÔ´Ï´Ù.");
    membership["membership[id]"].value = str;
    membership["membership[id]"].focus();
    return;
  }

  str = membership["membership[pw1]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("»ç¿ëÇÏ½Ç ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[pw1]"].value = str;
    membership["membership[pw1]"].focus();
    return;
  }
  if (!isStringNumberOrAlphabet(str)) {
    alert("¿µ¹®°ú ¼ýÀÚÁ¶ÇÕÀ¸·Î ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[pw1]"].value = str;
    membership["membership[pw1]"].focus();
    return;
  }
  if (str.length < 4) {
    alert("ºñ¹Ð¹øÈ£´Â 4-12ÀÚ À̳»ÀÔ´Ï´Ù.");
    membership["membership[pw1]"].value = str;
    membership["membership[pw1]"].focus();
    return;
  }
  str2 = membership["membership[pw2]"].value;
  str2 = str2.replace(/\s+/g,'');
  if (!str2 || str2 == "" || str2 == " ") {
    alert("ºñ¹Ð¹øÈ£¸¦ Çѹø ´õ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[pw2]"].value = str2;
    membership["membership[pw2]"].focus();
    return;
  }
  if (!isStringNumberOrAlphabet(str2)) {
    alert("¿µ¹®°ú ¼ýÀÚÁ¶ÇÕÀ¸·Î ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    membership["membership[pw2]"].value = str2;
    membership["membership[pw2]"].focus();
    return;
  }
  if (str2.length < 4) {
    alert("ºñ¹Ð¹øÈ£´Â 4-12ÀÚ À̳»ÀÔ´Ï´Ù.");
    membership["membership[pw2]"].value = str2;
    membership["membership[pw2]"].focus();
    return;
  }
  if (str != str2) {
    alert("ºñ¹Ð¹øÈ£°¡ ÀÏÄ¡ÇÏÁö ¾Ê½À´Ï´Ù.");
    membership["membership[pw2]"].focus();
    return;
  }

  membership.action = "/mem/joinok.php";
  membership.submit();
}

function sameid() {
  id = membership["membership[id]"].value;
  if (!id || id == "" || id == " ") {
    alert("»ç¿ëÇÏ½Ç ID ¸¦ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
    membership["membership[id]"].focus();
    return;
  }
  window.open('/mem/mem_id_check.html?id='+id,'opener','width=310,height=220').focus();
}

function changeinfo() {
  var str  = "";
  var str2 = "";
  str = chginfo.pw1.value;
  str = str.replace(/\s+/g,'');
  if (str != "") {
	if (!str || str == "" || str == " ") {
      alert("ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
      chginfo.pw1.value = str;
      chginfo.pw1.focus();
      return false;
    }
    str2 = chginfo.pw2.value;
    str2 = str2.replace(/\s+/g,'');
    if (!str2 || str2 == "" || str2 == " ") {
      alert("ºñ¹Ð¹øÈ£¸¦ Çѹø ´õ ÀÔ·ÂÇØÁÖ¼¼¿ä.");
      chginfo.pw2.value = str2;
      chginfo.pw2.focus();
      return false;
    }
    if (str != str2) {
      alert("ºñ¹Ð¹øÈ£°¡ ÀÏÄ¡ÇÏÁö ¾Ê½À´Ï´Ù.");
      chginfo.pw2.value = str2;
      chginfo.pw2.focus();
      return false;
    }

    str = chginfo.pw1.value;
    str = str.replace(/\s+/g,'');
    str2 = chginfo.pw2.value;
    str2 = str2.replace(/\s+/g,'');
    if (str != str2) {
      alert("ºñ¹Ð¹øÈ£°¡ ÀÏÄ¡ÇÏÁö ¾Ê½À´Ï´Ù.");
      chginfo.pw2.value = str2;
      chginfo.pw2.focus();
      return false;
    }
  }

  str = chginfo["membership[zipcode]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("¿ìÆí¹øÈ£ °Ë»öÀ» ÅëÇØ ÁÖ¼Ò¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    chginfo["membership[zipcode]"].value = str;
    return false;
  }
  str = chginfo["membership[address1]"].value;
  str = str.replace(/\s+/g,' ');
  if (!str || str == "" || str == " ") {
    alert("¿ìÆí¹øÈ£ °Ë»öÀ» ÅëÇØ ÁÖ¼Ò¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    chginfo["membership[address1]"].value = str;
    return false;
  }
  str = chginfo["membership[address2]"].value;
  str = str.replace(/\s+/g,' ');
  if (!str || str == "" || str == " ") {
    alert("»ó¼¼ÇÑ ÁÖ¼Ò¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    chginfo["membership[address2]"].value = str;
    chginfo["membership[address2]"].focus();
    return false;
  }

  str = chginfo["membership[tel1]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("ÀüÈ­¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    chginfo["membership[tel1]"].value = str;
    chginfo["membership[tel1]"].focus();
    return false;
  }
  str = chginfo["membership[tel2]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("ÀüÈ­¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    chginfo["membership[tel2]"].value = str;
    chginfo["membership[tel2]"].focus();
    return false;
  }
  str = chginfo["membership[tel3]"].value;
  str = str.replace(/\s+/g,'');
  if (!str || str == "" || str == " ") {
    alert("ÀüÈ­¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä.");
    chginfo["membership[tel3]"].value = str;
    chginfo["membership[tel3]"].focus();
    return false;
  }

  return true;
}