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) { //v4.0
  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 && document.getElementById) x=document.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 isNull(obj, msg) {
	if(obj.value == "") {
		if(msg) {
			alert(msg);
		}
		obj.focus();
		return true;
	}
	return false;
}

function isNumber(obj) {
	var str = obj.value;
	if(str.length == 0)
		return false;

	for(var i=0; i < str.length; i++) {
		if(!('0' <= str.charAt(i) && str.charAt(i) <= '9'))
			return false;
	}
	return true;
}

function isSame(obj1, obj2) {
	var str1 = obj1.value;
	var str2 = obj2.value;
	if(str1.length == 0 || str2.length == 0)
		return false;

	if(str1 == str2)
		return true;
	return false;
}

function isShort(obj, len, msg) {
	var str = obj.value;
	if(str.length < len) {
		if(msg) {
			alert(msg);	
		}
		obj.focus();
		obj.select();
		return true;
	}
	return false;
}

function isAlphabet(obj) {
	var str = obj.value;
	if(str.length == 0)
		return false;

	str = str.toUpperCase();
	for(var i=0; i < str.length; i++) {
		if(!('A' <= str.charAt(i) && str.charAt(i) <= 'Z'))
			return false;
	}
	return true;
}

function isAlphaNumeric(obj) {
	
	var str = obj.value;
	if(str.length == 0)
		return false;

	str = str.toUpperCase();
	for(var i=0; i < str.length; i++) {
		if(!(('A' <= str.charAt(i) && str.charAt(i) <= 'Z') ||
			('0' <= str.charAt(i) && str.charAt(i) <= '9')))
			return false;
	}
	return true;

}

function isID(obj) {
	var str = obj.value;
	if(str.length == 0)
		return false;

	str = str.toUpperCase();
	if(!('A' <= str.charAt(i) && str.charAt(i) <= 'Z'))
		return false;

	for(var i=1; i < str.length; i++) {
		if(!(('A' <= str.charAt(i) && str.charAt(i) <= 'Z') ||
			('0' <= str.charAt(i) && str.charAt(i) <= '9') ||
			(str.charAt(i) == '_')))
			return false;
	}
	return true;
}

function isEmail(obj) {
	var str = obj.value;
	if(str == "")
		return false;

	var i = str.indexOf("@");
	if(i < 0)
		return false;

	i = str.indexOf(".");
	if(i < 0)
		return false;
	
	return true;
}

function isCardNumber(obj) {
	var str = obj.value;
	if(str.length != 16)
		return false;

	for(var i=0; i < 16; i++) {
		if(!('0' <= str.charAt(i) && str.charAt(i) <= '9')) 
			return false;
	}
	return true;
}

function isSSN(front, back) {
	var birthday = front.value;
	var num = back.value;

	if(birthday.length != 6) {
		return false;
	}
	if(num.length != 7) {
		return false;
	}
	var hap = 0;
	for(var i=0; i < 6; i++) {
		var temp = birthday.charAt(i) * (i+2);
		hap += temp;
	}

	var n1 = num.charAt(0);
	var n2 = num.charAt(1);
	var n3 = num.charAt(2);
	var n4 = num.charAt(3);
	var n5 = num.charAt(4);
	var n6 = num.charAt(5);
	var n7 = num.charAt(6);

	hap += n1*8+n2*9+n3*2+n4*3+n5*4+n6*5;
	hap %= 11;
	hap = 11 - hap;
	hap %= 10;
	if(hap != n7)
		return false;
	return true;
}

/*
arg1 : 이미지 id, 
arg2 : Over/Out 이미지 경로
arg3 : 상위 이미지 id
arg4 : 상위 이미지의 Over/Out 이미지 경로 
*/
function but_over1(arg1, arg2, arg3, arg4)
{
	tempImg = document.all[arg1].src;
	n = tempImg.lastIndexOf("/");
	tempImg = tempImg.substring(n+1,tempImg.length);
	if (tempImg == "but04_click.gif")
		return;
	document.all[arg1].src = arg2;	

	if(arg3 != null){
		document.all[arg3].src = arg4;
	}

	if(img != 0){
		ImageLoad1(img1, img2, img3, img4);
	}
}

var message=""; // 경고 메세지를 넣으려면 여기에 입력합니다
function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if 
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers) 
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}


function hidestatus(){
window.status=''
return true
}

document.oncontextmenu=new Function("return false");


if (document.layers)
document.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT |Event.MOUSEDOWN);
document.onmouseover=hidestatus;
document.onmouseout=hidestatus;
document.onmousedown=hidestatus;