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_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_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_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 makeDate(obj) {
	if ((event.keyCode == 8	||							//BackSpace
		 event.keyCode == 46 ||							//Delete
		 event.keyCode == 9	||							//Tab
		 event.keyCode == 13 ||							//Enter
		 (event.keyCode	>= 37 && event.keyCode <= 40)	//Direction	Key
		)) {
		return false;
	}

	var	str	= removeChar(obj.value,'.');
	str	= removeChar(str, '-');

	if(isNaN(str)) {
		obj.value	= obj.value.substring(0, obj.value.length -	1);
		return false;
	}

	if (str.length == 4) {
		obj.value =	str	+ "-";
	} else if (str.length == 6)	{
		obj.value =	str.substring(0, 4)	+ "-" +	str.substring(4,6) + "-";
	} else if (str.length >= 8)	{
		obj.value =	str.substring(0, 4)	+ "-" +	str.substring(4,6) + "-" + str.substring(6,	8);
	}
}

function removeChar(srcString, strchar) {
	var convString ='';
	for (z=0;z<srcString.length;z++) {
		if (srcString.charAt(z) != strchar)
			convString = convString + srcString.charAt(z);
	}
	return convString;
}

function check_date(argObject) {
    str = argObject.value;
    str = removeChar(str, "-");
    if (str == null || str =="" ) {
        return true;
    }
    if (str.length != 6 && str.length != 8) {
        alert("날짜 형식이 정확하지 않습니다.");
        argObject.select();
        return false;
    }

    strYear  = eval(str.substr(0,4));
    strMonth = eval(str.substr(4,2));

    if (str.length == 6)
        strDay   = 0;
    else
        strDay   = str.substr(6,2);

    if (Number(strYear) <= 0)  {
        alert("날짜 형식이 정확하지 않습니다.");
        argObject.select();
        return false;
    }

    if ((Number(strMonth) > 12) || (Number(strMonth) <= 0))  {
        alert("날짜 형식이 정확하지 않습니다.");
        argObject.select();
        return false;
    }

    if (((Number(strDay) > 31) || (Number(strDay) <= 0)))  {
        alert("날짜 형식이 정확하지 않습니다.");
        argObject.select();
        return false;
    }

    if (str.length == 6) return true;
    argYear = Number(strYear);
    switch (Number(strMonth)) {
        case 2:
            intDay = (!(argYear % 4) && (argYear % 100) || !(argYear % 400)) ? 29 : 28;
            break;
        case 4: case 6: case 9: case 11:
            intDay = 30;
            break;
        default :
            intDay = 31;
    }
//    	strDay = removeChar(strDay, '0');
    if(strDay > intDay) {
        alert("날짜 형식이 정확하지 않습니다.");
        argObject.select();
        return false;
    }
    else
        return true;
}

function isNullValue(obj, name) {
	if (obj.value != "") return false;
	else {
		alert(name + " 입력하여 주십시요.");
		obj.select();
		return true;
	}
}

function isNull(value, name) {
	if (value != "") return false;
	else {
		alert(name + " 입력하여 주십시요.");
		return true;
	}
}
	function disFlash(type){
		var pageNum = "";
		var flashFileName = "";
		var flashHeight = 132;
		var cur = document.location.href;
		var ret = new Array();
		var before =0;
		for(var i=0; i<cur.length; i++)
		{
			if (cur.substring(i,i+1) == '/') {
				ret = cur.substring(before,i);
				before =i;
			}
		}
		switch(ret) {
			case '/news':
				if (document.location.href.indexOf("STXQnA") == -1) {
					flashFileName = "/common/flash/visual_sub_01.swf";
					pageNum = "?pageNum=1";
				} else {
					flashFileName = "/common/flash/visual_sub_03.swf";
					pageNum = "?pageNum=3";
				}
				break;
			case '/application':
				flashFileName = "/common/flash/visual_sub_02.swf";
				pageNum = "?pageNum=2";
				break;
			case '/inquirie':
				flashFileName = "/common/flash/visual_sub_03.swf";
				pageNum = "?pageNum=3";
				break;
			case '/information':
				flashFileName = "/common/flash/visual_sub_04.swf";
				pageNum = "?pageNum=4";
				break;
			case '/stx':
				flashFileName = "/common/flash/visual_sub_05.swf";
				pageNum = "?pageNum=5";
				break;
			case '/challenger':
				flashFileName = "/common/flash/visual_sub_06.swf";
				pageNum = "?pageNum=6";
				break;
			case '/question':
				flashFileName = "/common/flash/visual_sub_07.swf";
				pageNum = "?pageNum=7";
				break;
			default:
				flashFileName = "/common/flash/visual_main.swf";
				flashHeight = 264;
				pageNum = "?pageNum=1";
				break;
		}
		if (type == "menu") {
			getflash('/common/flash/nevi.swf'+pageNum, 600, 50, 'transparent')
		} else if (type == "sub") {
			getflash(flashFileName, 906, flashHeight, 'transparent')
		}
	}