function number_format(number,decimals ) {
    var number_str = String(number);
    var new_number_str = '';
    number_info = number_str.split('.');
    number_info_int = number_info[0];
    if (decimals != null ) {
        if (decimals > 0) new_number_str ='.' + ((decimals > 0) ?Math.round(Number('0.' +number_info[1]) * Math.pow(10, decimals)):'');
        else if (decimals < 0) number_info_int = String(Math.round(Number(number_info[0]) / Math.pow(10, decimals *(-1))) *Math.pow(10, decimals*(-1)));
    }
    len = number_info_int.length;
    for (i = len; i >= 0; i--) {
        if ( (len - i) > 1 && (len - i) % 3 == 1)  new_number_str = ',' + new_number_str;
        new_number_str = number_info_int.substring(i, i+1) +  new_number_str;
    }
    return new_number_str;
}
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function bluring(){ 
if(event.srcElement.tagName=="A"||event.srcElement.tagName=="IMG") document.body.focus(); 
} 
document.onfocusin=bluring; 

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function agree_chk(){

	var f = document.chk_form;

	if(!f.agree.checked){
		alert("¾à°ü¿¡ µ¿ÀÇÇÏ¼Å¾ß È¸¿ø°¡ÀÔÀÌ °¡´ÉÇÕ´Ï´Ù.");
		return false;
	}
}

function chk_id(){

	var f = document.ini;

	var id = f.id.value;
	if(id==""){
		alert("¾ÆÀ̵𸦠ÀÔ·ÂÇØÁÖ¼¼¿ä");
		f.id.focus();
	}else{
		document.frames['hiddenprocess'].location.href="id_check.php?id="+id;
	}
}

function winCenter(mypage,myname,w,h,scroll){
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	winprops = 'height='+h+',width='+w+',top=350,left='+winl+',scrollbars='+scroll+',resizable'
	win = window.open(mypage, myname, winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

function check_zip(){

	winCenter('addr_check.html','myname',365,285,'yes')

}

function tr_view(v){

	if(v=="2"){
		document.all['p1'].style.display="block";
		document.all['p2'].style.display="block";
		document.all['p3'].style.display="block";
	}else{
		document.all['p1'].style.display="none";
		document.all['p2'].style.display="none";
		document.all['p3'].style.display="none";
	}
}



<!-- 
// Áֹεî·Ï¹øÈ£, Àç¿Ü±¹ÀÎ, »ç¾÷ÀÚµî·Ï¹øÈ£ üũ

<!--
// Àç¿Ü±¹ÀÎ ¹øÈ£ üũ
function check_fgnno(fgnno) {
        var sum=0;
        var odd=0;
        buf = new Array(13);
        for(i=0; i<13; i++) { buf[i]=parseInt(fgnno.charAt(i)); }
        odd = buf[7]*10 + buf[8];
        if(odd%2 != 0) { return false; }
        if( (buf[11]!=6) && (buf[11]!=7) && (buf[11]!=8) && (buf[11]!=9) ) {
                return false;
        }
        multipliers = [2,3,4,5,6,7,8,9,2,3,4,5];
        for(i=0, sum=0; i<12; i++) { sum += (buf[i] *= multipliers[i]); }
        sum = 11 - (sum%11);
        if(sum >= 10) { sum -= 10; }
        sum += 2;
        if(sum >= 10) { sum -= 10; }
        if(sum != buf[12]) { return false }
        return true;
}

// ÁֹιøÈ£ üũ
function check_juminno(juminno) {
        if(juminno=="" || juminno==null || juminno.length!=13) {
                alert("Áֹεî·Ï¹øÈ£¸¦ Àû¾îÁÖ¼¼¿ä.");
                return false;
        }
        var jumin1 = juminno.substr(0,6);
        var jumin2 = juminno.substr(6,7);
        var yy         = jumin1.substr(0,2);        // ³âµµ
        var mm = jumin1.substr(2,2);        // ¿ù
        var dd = jumin1.substr(4,2);        // ÀÏ
        var genda = jumin2.substr(0,1);        // ¼ºº°
        var msg, ss, cc;

        // ¼ýÀÚ°¡ ¾Æ´Ñ °ÍÀ» ÀÔ·ÂÇÑ °æ¿ì
        if (!isNumeric(jumin1)) {
                alert("Áֹεî·Ï¹øÈ£ ¾ÕÀÚ¸®¸¦ ¼ýÀÚ·Î ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ±æÀÌ°¡ 6ÀÌ ¾Æ´Ñ °æ¿ì
        if (jumin1.length != 6) {
                alert("Áֹεî·Ï¹øÈ£ ¾ÕÀÚ¸®¸¦ ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ù¹ø° ÀÚ·á¿¡¼­ ¿¬¿ùÀÏ(YYMMDD) Çü½Ä Áß ±âº» ±¸¼º °Ë»ç
        if (yy < "00" || yy > "99" ||
                mm < "01" || mm > "12" ||
                dd < "01" || dd > "31") {
                alert("Áֹεî·Ï¹øÈ£ ¾ÕÀÚ¸®¸¦ ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ¼ýÀÚ°¡ ¾Æ´Ñ °ÍÀ» ÀÔ·ÂÇÑ °æ¿ì
        if (!isNumeric(jumin2)) {
                alert("Áֹεî·Ï¹øÈ£ µÞÀÚ¸®¸¦ ¼ýÀÚ·Î ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ±æÀÌ°¡ 7ÀÌ ¾Æ´Ñ °æ¿ì
        if (jumin2.length != 7) {
                alert("Áֹεî·Ï¹øÈ£ µÞÀÚ¸®¸¦ ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ¼ºº°ºÎºÐÀÌ 1 ~ 4 °¡ ¾Æ´Ñ °æ¿ì
        if (genda < "1" || genda > "4") {
                alert("Áֹεî·Ï¹øÈ£ µÞÀÚ¸®¸¦ ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // ¿¬µµ °è»ê - 1 ¶Ç´Â 2: 1900³â´ë, 3 ¶Ç´Â 4: 2000³â´ë
        cc = (genda == "1" || genda == "2") ? "19" : "20";
        // ù¹ø° ÀÚ·á¿¡¼­ ¿¬¿ùÀÏ(YYMMDD) Çü½Ä Áß ³¯Â¥ Çü½Ä °Ë»ç
        if (isYYYYMMDD(parseInt(cc+yy), parseInt(mm), parseInt(dd)) == false) {
                alert("Áֹεî·Ï¹øÈ£ ¾ÕÀÚ¸®¸¦ ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
        // Check Digit °Ë»ç
        if (!isSSN(jumin1, jumin2)) {
                alert("ÀÔ·ÂÇÑ Áֹεî·Ï¹øÈ£¸¦ °ËÅäÇÑ ÈÄ, ´Ù½Ã ÀÔ·ÂÇϼ¼¿ä.");
                return false;
        }
}

// »ç¾÷ÀÚµî·Ï¹øÈ£ üũ
function check_busino(vencod) {
        var sum = 0;
        var getlist =new Array(10);
        var chkvalue =new Array("1","3","7","1","3","7","1","3","5");
        for(var i=0; i<10; i++) { getlist[i] = vencod.substring(i, i+1); }
        for(var i=0; i<9; i++) { sum += getlist[i]*chkvalue[i]; }
        sum = sum + parseInt((getlist[8]*5)/10);
        sidliy = sum % 10;
        sidchk = 0;
        if(sidliy != 0) { sidchk = 10 - sidliy; }
        else { sidchk = 0; }
        if(sidchk != getlist[9]) { return false; }
        return true;
}


function isYYYYMMDD(y, m, d) {
        switch (m) {
        case 2:        // 2¿ùÀÇ °æ¿ì
                if (d > 29) return false;
                if (d == 29) {
                        // 2¿ù 29ÀÇ °æ¿ì ´çÇØ°¡ À±³âÀÎÁö¸¦ È®ÀÎ
                        if ((y % 4 != 0) || (y % 100 == 0) && (y % 400 != 0))
                                return false;
                }
                break;
        case 4:        // ÀÛÀº ´ÞÀÇ °æ¿ì
        case 6:
        case 9:
        case 11:
                if (d == 31) return false;
        }
        // Å« ´ÞÀÇ °æ¿ì
        return true;
}
function isNumeric(s) {
        for (i=0; i<s.length; i++) {
                c = s.substr(i, 1);
                if (c < "0" || c > "9") return false;
        }
        return true;
}
function isLeapYear(y) {
        if (y < 100)
        y = y + 1900;
        if ( (y % 4 == 0) && (y % 100 != 0) || (y % 400 == 0) ) {
                return true;
        } else {
                return false;
        }
}
function getNumberOfDate(yy, mm) {
        month = new Array(29,31,28,31,30,31,30,31,31,30,31,30,31);
        if (mm == 2 && isLeapYear(yy)) mm = 0;
        return month[mm];
}
function isSSN(s1, s2) {
        n = 2;
        sum = 0;
        for (i=0; i<s1.length; i++)
                sum += parseInt(s1.substr(i, 1)) * n++;
        for (i=0; i<s2.length-1; i++) {
                sum += parseInt(s2.substr(i, 1)) * n++;
                if (n == 10) n = 2;
        }
        c = 11 - sum % 11;
        if (c == 11) c = 1;
        if (c == 10) c = 0;
        if (c != parseInt(s2.substr(6, 1))) return false;
        else return true;
}

function s_chk(){

	var f = document.s_form;
	
	if(f.s_string.value==""){
		alert("°Ë»ö¾î¸¦ ÀÔ·ÂÇØÁÖ¼¼¿ä");
		f.s_string.focus();
		return false;
	}
}

function ready() {
	alert('º»¹®³»¿ë:ÁغñÁßÀÎ ´ëȸÀÔ´Ï´Ù.');
	}
-->