	// 주어진 문자열(str)의 공백 제거
	function RemoveBlank( str ) {
		var zero = String.fromCharCode(32); //blank(32) 공백문자열
		var temp = "", ch = "";

		for (i = 0; i < str.length; i++) {
			ch = str.charAt(i);

			if (ch == zero)
				continue;
			else
				temp += ch;
		}

		return temp;
	}

	// 단순 공백 여부 검사
	function CheckBlank( obj ) {
		var str = RemoveBlank( obj.value );

		if( (parseInt(str.length) < 1) || (str == "undefined") )
			return false;
		else
			return true;
	}

	// 객체의 값(value)를 초기화 한 후 포커스 이동
	function ResetValue( obj ) {
		obj.focus();
		obj.select();
	}

	// obj : 길이를 체크할 개체, msg : 문자열(err), lnum : 최소길이
	function lencheck( obj,lnum ) {
		var temp = RemoveBlank( obj.value );
		obj = eval(obj);

		if( temp.length < lnum ) 
			return false; 
		else
			return true;
	}

	// 숫자 키만 입력 받음
	function OnlyNum() {
		if( (event.keyCode < 45) || (event.keyCode > 57) ) {
			alert( '숫자만 입력가능합니다.' );
			event.returnValue = false;
		}
		
	}

	// 로그 아웃
	function LogOut() {
		var tmpFlag = confirm( "로그 아웃을 하시겠습니까?" );

		if( tmpFlag ) {
			location.href = "/MyPage/log_out_ex.asp?chk=OK";
		}
	}
	// 포커스 이동
	function MoveFocus( iLen, obj1, obj2 ) {
		if( obj1.length == iLen ) {
			obj2.focus();
		}
	}
	// 스위치 메뉴
	function MenuOnOff( obj ) {
		if( document.getElementById( obj ).style.display == "none" )
			document.getElementById( obj ).style.display = "block";
		else
			document.getElementById( obj ).style.display = "none";
	}
	// 저작권 안내 창
	function CopyOpen() {
		window.open( "/ETC/copyright.asp", "CopyRight", "width=530, height=243, toolbar=no, scrollbars=no" );
	}

	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_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_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 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 MM_showHideLayers() { //v6.0
		var i,p,v,obj,args=MM_showHideLayers.arguments;
		for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
		if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
			obj.visibility=v; }
	}
	function MM_jumpMenu(targ,selObj,restore){ //v3.0
		eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
		if (restore) selObj.selectedIndex=0;
	}
	function MM_openBrWindow( theURL, winName, features) { //v2.0
		window.open( theURL, winName, features );
	}