var isDOM = (document.getElementById ? true : false); 
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);

function getRef(id) {
	if (isDOM) return document.getElementById(id);
	if (isIE4) return document.all[id];
	if (isNS4) return document.layers[id];
}

var isNS = navigator.appName == "Netscape";
function moveRightEdge() {
	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;
	if (isNS4) {
		yMenuFrom   = divMenu.top;
		yMenuTo     = windows.pageYOffset + 0;   // ���� ��ġ
	} else if (isDOM) {
		yMenuFrom   = parseInt (divMenu.style.top, 10);
		yMenuTo     = (isNS ? window.pageYOffset : document.body.scrollTop) + 0; // ���� ��ġ
		if(yMenuTo >158)
			yMenuTo-=158;
		else yMenuTo=0;
	}
	timeoutNextCheck = 500;
	if (yMenuFrom != yMenuTo) {
		yOffset = Math.ceil(Math.abs(yMenuTo - yMenuFrom) / 20);
		if (yMenuTo < yMenuFrom)
			yOffset = -yOffset;
		if (isNS4)
			divMenu.top += yOffset;
		else if (isDOM)
			divMenu.style.top = parseInt (divMenu.style.top, 10) + yOffset;
			timeoutNextCheck = 10;
	}
	setTimeout ("moveRightEdge()", timeoutNextCheck);
}

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) { //v4.01
  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_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; }
}

// form.reset
function formClear(Obj){
	Obj.reset();
}

function addArray(Obj,Val){
	var arrLength= Obj.length;
	Obj[arrLength] = Val;
}

function delArray(Obj,Index){
	var temp=new Array();
	var nextIndex = Index +1;

	for(i=0,j=0;i<Obj.length;i++){
		if(i!=Index){
			temp[j] = Obj[i];
			j++;
		}
	}
	for(i=0;i<temp.length;i++)
		Obj[i]=temp[i];
	return temp.length;
}

function sortArray(Obj,Method)
{
	Obj.sort();
	if(!Method)
		Obj.reverse();
}

function hanCheck(Str) {
	var Re=false;
	for(i=0;i<Str.length;i++){
		var a=Str.charCodeAt(i);
		if (a > 128) {
			Re=true;
		}
	}
	return Re;
}

function numCheck(Str){
	var Re=true;
	for(i=0;i<Str.length;i++){
		var a=Str.charCodeAt(i);
		if(a<48 || a>57)
			Re=false;
	}
	return Re;
}

function telCheck(Tel1, Tel2, Tel3){
	var Re=true;
	if(!numCheck(Tel1) ||!numCheck(Tel2) ||!numCheck(Tel3) )
		Re = false;
	else if(Tel1.length <2 || Tel1.length >3)
		Re = false;
	else if(Tel2.length <3 || Tel2.length >4)
		Re = false;
	else if(Tel3.length <4 || Tel3.length >4)
		Re = false;
	return Re;
}

function isEmail(str){
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported) 
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  return (!r1.test(str) && r2.test(str));
}

function setCookie( name, value, expiredays ){
	var todayDate = new Date();
	todayDate.setDate( todayDate.getDate() + expiredays );
	document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";"
	//document.cookie = name + "=" + escape( value ) + "; path=/;";
}

function goodsSearchSendit(Obj){
	if(Obj.searchstring.value==""){
		alert("�˻�� �Է��� �ֽʽÿ�.");
		Obj.searchstring.focus();
	}else if(Obj.search.selectedIndex==1 && !numCheck(Obj.searchstring.value)){
		alert("���� ������ �ùٸ��� �ʽ��ϴ�.");
		Obj.searchstring.focus();
	}else{
		Obj.submit();
	}
}

//43:+ 45:- 46:.
//0123456789�̂�
function num_only(){
	if(((event.keyCode<48) || (event.keyCode>57) ) && (event.keyCode != 46)) {
		event.returnValue=false;
	}
}

//0123456789 �� �n�C�t���i-�j���e
function num_only2(){
	if(((event.keyCode<48) || (event.keyCode>57) ) && (event.keyCode != 46)) {
		if(event.keyCode==45){
			event.returnValue=true;
		}else{
			event.returnValue=false;
		}
	}
}

//0123456789 �� �n�C�t���i+�j�i-�j���e
function num_only3(){
	if(((event.keyCode<48) || (event.keyCode>57) )) {
		if((event.keyCode==45)||(event.keyCode==43)){
			event.returnValue=true;
		}else{
			event.returnValue=false;
		}
	}
}

function id_only(){
	if(!(((event.keyCode>=48) && (event.keyCode<=57)) || ((event.keyCode>=96) && (event.keyCode<=122)))) {
		event.returnValue=false;
	}
}

function isZenkaku(value) {
	for (var i = 0; i < value.length; ++i) {
		var c = value.charCodeAt(i);
		//	���p�J�^�J�i�͕s����
		if (c < 256 || (c >= 0xff61 && c <= 0xff9f)) {
			return false;
		}
	}
	return true;
}

function isKana(value) {
	for (var i = 0; i < value.length; ++i) {
		var c = value.charCodeAt(i);
		//	�J�^�J�i�͂n�j�B����ȊO�̕����̓A�E�g
		if ((c >= 161 && c <= 223) || (c>=0x30a0 && c<=0x30ff) || (c >= 0xff61 && c <= 0xff9f)) {
			//�X���[
		} else {
			return false;
		}
	}
	return true;
}

function isHankakuKana(value) {
	var ret = false;
	txt = "�������������������������������������������ܦݧ���������������";
	for (i=0; i<value.length; i++) {
		if (txt.indexOf(value.charAt(i),0) >= 0) {
			ret = true; 
		} else {
			ret = false;
			return ret;
		}
	}
	return ret;
}

function isTELNOorAreaCode(value) {
	var ret = false;
	txt = "1234567890 -";
	for (i=0; i<value.length; i++) {
		if (txt.indexOf(value.charAt(i),0) >= 0) {
			ret = true; 
		} else {
			ret = false;
			return ret;
		}
	}
	return ret;
}