// È­¸éÁß¾Ó¿¡¼­ â¿­±â
var win= null;
function nwindow(page,name,w,h,scroll,resize){
  var winl = (screen.width-w)/2;
  var wint = (screen.height-h)/3;
  var settings  ='height='+h+',';
      settings +='width='+w+',';
      settings +='top='+wint+',';
      settings +='left='+winl+',';
      settings +='scrollbars='+scroll+',';
      settings +='resizable='+resize+',';
      settings +='status=no';
  win=window.open(page,name,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}

//¼ýÀÚ¸¸ÀÔ·Â
function num_only(){
  if((event.keyCode<48) || (event.keyCode>57)){
    event.returnValue=false;
  }
}
//¼ýÀÚ¸¸Ã¼Å©
function isNum(num) {
	for(var i=0; i < num.length;i++){
    achar=num.substring(i,i+1);
      if( achar < "0" || achar > "9") {
        return false;
      }
	return true;
  }
}
//°ø¹éÁ¦°Å
function Trim(string) {
    for(;string.indexOf(" ")!= -1;){
        string=string.replace(" ","")
    }
    return string;
}

//ÀԷ°˻ç
function Exists(input,types) {
    if(types) if(!Trim(input.value)) return false;
    return true;
}
//¹ÙÀÌÆ®°Ë»ç
function Byte(input) {
    var i, j=0;
    for(i=0;i<input.length;i++) {
        val=escape(input.charAt(i)).length;
        if(val==  6) j++;
        j++;
    }
    return j;
}

// ºñ¹Ð¹øÈ£ üũ
function check_passwd(input, input2, min) {
    if(!input.value) {
        alert('ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇØ ÁֽʽÿÀ.');
        input.focus();
        return false;
    }
    else if(BYTE(input.value) < min) {
        alert('ºñ¹Ð¹øÈ£ÀÇ ±æÀÌ°¡ ³Ê¹« ª½À´Ï´Ù.');
        input.focus();
        input.value='';
        input2.value='';
        return false;
    }
    else if(!input2.value) {
        alert('È®Àκñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇØ ÁֽʽÿÀ.');
        input2.focus();
        return false;
    }
    else if(input.value != input2.value) {
        alert('ºñ¹Ð¹øÈ£°¡ ¼­·Î ´Ù¸£°Ô ÀԷµǾú½À´Ï´Ù.');
        input2.value='';
        input2.focus();
        return false;
    }
    else return true; 
}