function _comm_resize_img(imgObj, max_width, max_height)
{
    var dst_width;
    var dst_height;
    var img_width;
    var img_height;

    img_width = parseInt(imgObj.width);
    img_height = parseInt(imgObj.height);

    if(img_width == 0 || img_height == 0){
        imgObj.style.display = '';
        return false;
    }

    // 가로비율 우선으로 시작
    if(img_width > max_width || img_height > max_height) {
        // 가로기준으로 리사이즈
        dst_width = max_width;
        dst_height = Math.ceil((max_width / img_width) * img_height);

        // 세로가 max_height 를 벗어났을 때
        if(dst_height > max_height) {
            dst_height = max_height;
            dst_width = Math.ceil((max_height / img_height) * img_width);
        }

        imgObj.width = dst_width;
        imgObj.height = dst_height;
    }
    // 가로비율 우선으로 끝

    imgObj.style.display = '';

    return true;
}

function openWin(url,winName,width,height,scroll)
{
    window.open( url , winName,"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=" + scroll + ",resizable=no,width=" + width + ",height=" + height);
    return ;
}

function openWinCenter(url,winName,width,height,scroll)
{
	var sw=screen.availWidth;
	var sh=screen.availHeight;

	 //열 창의 포지션
	var px=(sw-width)/2;
	var py=(sh-height)/2;

    window.open( url , winName,"toolbar=no,location=no,directories=no,status=no,menubar=no,left="+px+",top=" +py+ ",scrollbars=" + scroll + ",resizable=no,width=" + width + ",height=" + height);
    return ;
}


function isEmpty( data )
{
    for( var i = 0 ; i < data.length ; i++ )
    {
        if( data.substring( i , i + 1 ) != " " )
        {
            return false;
        }
    }
    return true;
}

function getTxtRealLength( data )
{
	var nLength = 0;
    for( var i = 0 ; i < data.length ; i++ )
    {
        if( data.substring( i , i + 1 ) != " " )
        {
            nLength = nLength + 1;
        }
    }
	return nLength;
}

// 메세지를 출력하고, Object로 focus를 돌려준다.
function ErrMsg( obj, msg )
{
    try
    {
        alert( msg );

        if( obj.type == "select-one" )
        {
            obj.focus();
        }
        else
        {
            obj.focus();
            obj.select();
        }
        return false;
    }
    catch(errorObject)
    {
        var msg = errorObject.description + "\n\n"
               + "Error Number : " + (errorObject.number>>16 & 0x1FFF) + "\n\n";
	    alert(msg);
        return false;
    }
}

//숫자만 입력가능하게함 사용예<   OnKeyPress="numChk()"   >
function numChk()
{
    if ((event.keyCode<48) || (event.keyCode>57))
        event.returnValue=false;
}

function numDotChk()
{
    if ((event.keyCode != 46) && (event.keyCode<48) || (event.keyCode>57))
    {
        event.returnValue=false;
    }
}

function numSemiChk()
{
    if ((event.keyCode != 46) && (event.keyCode<48) || (event.keyCode>58))
    {
        event.returnValue=false;
    }
}


function chkCommID( str )
{
	var check = false;

	for(var i=0; i<str.length; i++)
	{
		var oneChar = str.charAt(i)

		if(( (str.charCodeAt(i) >=65 && str.charCodeAt(i) <= 90) || (str.charCodeAt(i) >= 97 && str.charCodeAt(i) <= 122) || (oneChar >= 0 && oneChar <= 9) ))
		{
			check = true;
		}
		else
		{
			check = false;
			break;
		}
	}

	return check;
}


// 메일 체크
function _checkEmail(strEmail)
{
	var arrMatch = strEmail.match(/^(\".*\"|[A-Za-z0-9_-]([A-Za-z0-9_-]|[\+\.])*)@(\[\d{1,3}(\.\d{1,3}){3}]|[A-Za-z0-9][A-Za-z0-9_-]*(\.[A-Za-z0-9][A-Za-z0-9_-]*)+)$/);
	if( arrMatch == null )
	{
		return false;
	}

	var arrIP = arrMatch[2].match(/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/);
	if( arrIP != null )
	{
		for( var i = 1 ; i <= 4 ; i++ )
		{
			if( arrIP[i] > 255 )
			{
				return false;
     		}
   		}
	}
	return true;
}

function chkEnglish( str )
{
	var check = false;

	for(var i=0; i<str.length; i++)
	{
		if(( (str.charCodeAt(i) >=65 && str.charCodeAt(i) <= 90) || (str.charCodeAt(i) >= 97 && str.charCodeAt(i) <= 122)))
		{
			check = true;
		}
		else
		{
			check = false;
			break;
		}
	}

	return check;
}

// value가 숫자로만 되어있는지 체크한다.
function isDigitValue(value)
{
    try
    {
        inputStr = value;
        for( var i = 0 ; i < inputStr.length ; i++ )
        {
            var oneChar = inputStr.charAt(i)
            if (oneChar < "0" || oneChar > "9")
            {
                return false;
            }
        }
        return true;
    }
    catch(errorObject)
    {
        var msg = errorObject.description + "\n\n"
               + "Error Number : " + (errorObject.number>>16 & 0x1FFF) + "\n\n";
	    alert(msg);
        return false;
    }
}

function toDotData( obj )
{
    var val = obj.value;
    val = reduce_comma(val);
    
    if( isDigitValue(val) )
    {
        val = display_comma(val);
    }
    else
    {
        val = "";
    }

    obj.value = val;
}

/** 
 * 입력 값이 Object 인지를 반환.
 * returns true if a is an object, and array, or a function.
 * It returns false if a is a string, a number, a boolean, or null, or undefined.
 */        
function isObject(input) {
	return (input && typeof input == 'object') || isFunction(input);
} 

/**         
 * 입력 값이 Function 인지를 반환.
 */        
function isFunction(input) {
	return typeof input == 'function';
}

function resizeImageWidth(area, width) {
	var imgs;

	if(!isObject(area)) return;

	if(area.length == undefined) {
		imgs = area.getElementsByTagName("IMG");

		for(j=0; j< imgs.length; j++) {
			if(imgs[j].width>width){
				imgs[j].height = imgs[j].height * width / imgs[j].width;
				imgs[j].width = width;
			}
		}
	}
	else {
		for(i=0; i<area.length; i++) {
			imgs = area[i].getElementsByTagName("IMG");

			for(j=0; j< imgs.length; j++) {
				if(imgs[j].width>width){
					imgs[j].height = imgs[j].height * width / imgs[j].width;
					imgs[j].width = width;
				}
			}
		}
	}
}


function display_comma(value) {

    var src;
    var i;
    var factor;
    var su;
    var Spacesize = 0;
    
    var String_val = value.toString();
    
    factor = String_val.length % 3;
    su = (String_val.length - factor) /3;
    src = String_val.substring(0,factor);

    for(i=0; i<su ; i++)
    {
       if ((factor==0)&&(i==0))
        {
             src += String_val.substring(factor+(3*i), factor+3+(3*i));
        }
        else 
        {
            if ( String_val.substring(factor+(3*i) - 1, factor+(3*i)) != "-" ) src +=",";
            src += String_val.substring(factor+(3*i), factor+3+(3*i));
        }
    }
    return src;
    }
    
    //delete comma 
    function reduce_comma(value) 
    {
    var x, ch;
    var i=0;
    var newVal="";
    for(x=0; x <value.length ; x++){
        ch=value.substring(x,x+1);
        if(ch != ",")  newVal += ch;
    }
    return newVal;
}

/***********************************
설명 : textbox에 엔터 쳤을때 callback 함수 호출
***********************************/
function _comm_enter_callback(callback)
{
    if( event.keyCode == 13 )
    {
        callback();
    }
}

function nextFocus(sFormName,sNow,sNext)
{
	var sForm = 'document.'+ sFormName +'.'
	var oNow = eval(sForm + sNow);

	if (typeof oNow == 'object')
	{
		if ( oNow.value.length == oNow.maxLength)
		{
			var oNext = eval(sForm + sNext);

			if ((typeof oNext) == 'object')
				oNext.focus();
		}
	}
}

function setTimeMoveID(objID)
{
    setTimeout("setCommMoveID('"+objID+"')", 300);


}
function setCommMoveID(objID)
{
    var obj = document.getElementById(objID);
    obj.focus();
}
function getOptionSelectVal(objRadio)
{
    var chkVal = "";

    objRadio = eval(objRadio);

    if( objRadio )
    {
        if( objRadio.length )
        {
            for( var ii = 0; ii < objRadio.length; ii++ )
            {
                if( objRadio[ii].checked )
                {
                    chkVal = objRadio[ii].value;
                    break;
                }
            }
        }
        else
        {
            if( objRadio.checked )
            {
                chkVal = objRadio.value;
            }
        }
    }

    return chkVal;
}

function limitCharacters(textid, limit, viewid){
	var text = $jQ('#'+textid).val();
	var textlength = text.length;
	$jQ("#"+viewid).html(textlength);

	if(textlength > limit){
		alert("Please limit to "+limit+" characters.");
		$jQ('#'+textid).val(text.substr(0,limit));
		$jQ("#"+viewid).html(limit);
	}
	
}

function fnUpper(obj){
//    obj.value = obj.value.toUpperCase();

	var str  = obj.value;
	var retStr = "";

	for(var i=0; i<str.length; i++)
	{
		var oneChar = str.charAt(i)


		if( str.charCodeAt(i) >= 97 && str.charCodeAt(i) <= 122 )
		{
			retStr += oneChar.toUpperCase();
		}
		else
		{
			retStr += oneChar;
		}
	}
//alert( retStr );
	obj.value = retStr;
	//obj.value.replace( /^[a-z]/g, function(value){
	//	obj.value = obj.value.toUpperCase();			
	//});
}