function check_intro() 
{ 
	location.href="index.php?top=index_top&left=index_left&body=index_body&bottom=index_bottom&intro=Y"; 
}


function Check_login(Form)
{ 
	if (Login_Form.ID.value=='')
	{
		alert('ȸ¿øID¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.');
		Login_Form.ID.focus();
		return false;
	}
	if (Login_Form.Pass.value=='')
	{
		alert('ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.');
		Login_Form.Pass.focus();
		return false;
	}
}



function Check_Num(tocheck) {
var isnum = true;

if (tocheck == null || tocheck == "") {
	isnum = false;
	return isnum;
}

for (var j = 0 ; j < tocheck.length; j++) {
	if (tocheck.substring(j, j + 1) != "0" &&
		tocheck.substring(j, j + 1) != "1" &&
		tocheck.substring(j, j + 1) != "2" &&
		tocheck.substring(j, j + 1) != "3" &&
		tocheck.substring(j, j + 1) != "4" &&
		tocheck.substring(j, j + 1) != "5" &&
		tocheck.substring(j, j + 1) != "6" &&
		tocheck.substring(j, j + 1) != "7" &&
		tocheck.substring(j, j + 1) != "8" &&
		tocheck.substring(j, j + 1) != "9") {
		isnum = false;
	}
}
return isnum;
}



function email_chk(word) {
	var str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-._@";
	
	for (i=0; i< word.length; i++)
	{
		idcheck = word.charAt(i);
		
		for ( j = 0 ;  j < str.length ; j++){
		
			if (idcheck == str.charAt(j)) break;
				
     			if (j+1 == str.length){
   				return false;
     			}
     		}
     	}
     	return true;
}


function Checkmail(){
    if (Mailling.name.value==""){
		alert("À̸§À» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Mailling.name.focus();
		return false;
	}

	if (Mailling.tel_1.value==""){
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Mailling.tel_1.focus();
		return false;
    } else {
		thisfilednum = Check_Num(Mailling.tel_1.value);
		if (!thisfilednum) {
			alert("¿¬¶ôó´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù.");
			Mailling.tel_1.focus();
			return false;
		}
	}
	
	if (Mailling.tel_2.value==""){
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Mailling.tel_2.focus();
		return false;
    } else {
		thisfilednum = Check_Num(Mailling.tel_2.value);
		if (!thisfilednum) {
			alert("¿¬¶ôó´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù.");
			Mailling.tel_2.focus();
			return false;
		}
	}

	if (Mailling.tel_3.value==""){
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Mailling.tel_3.focus();
		return false;
    } else {
		thisfilednum = Check_Num(Mailling.tel_3.value);
		if (!thisfilednum) {
			alert("¿¬¶ôó´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù.");
			Mailling.tel_3.focus();
			return false;
		}
	}


	if (Mailling.mobile_1.value==""){
		alert("ÇÚµåÆù ¹øÈ£¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Mailling.mobile_1.focus();
		return false;
    } else {
		thisfilednum = Check_Num(Mailling.mobile_1.value);
		if (!thisfilednum) {
			alert("ÇÚµåÆù ¹øÈ£´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù.");
			Mailling.mobile_1.focus();
			return false;
		}
	}
	
	if (Mailling.mobile_2.value==""){
		alert("ÇÚµåÆù ¹øÈ£¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Mailling.mobile_2.focus();
		return false;
    } else {
		thisfilednum = Check_Num(Mailling.mobile_2.value);
		if (!thisfilednum) {
			alert("ÇÚµåÆù ¹øÈ£´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù.");
			Mailling.mobile_2.focus();
			return false;
		}
	}

	if (Mailling.mobile_3.value==""){
		alert("ÇÚµåÆù ¹øÈ£¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Mailling.mobile_3.focus();
		return false;
    } else {
		thisfilednum = Check_Num(Mailling.mobile_3.value);
		if (!thisfilednum) {
			alert("ÇÚµåÆù ¹øÈ£´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù.");
			Mailling.mobile_3.focus();
			return false;
		}
	}


	if (Mailling.email_1.value==""){
		alert("À̸ÞÀÏÀ» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Mailling.email_1.focus();
		return false;
	}

	if (email_chk(Mailling.email_1.value) != true ){
		alert("À̸ÞÀÏ ÁÖ¼Ò¿¡ ÇѱÛÀ̳ª ¿©¹éÀº »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.");
		Mailling.email_1.focus();
	 	return false;
	}

	if (Mailling.email_2.value==""){
		alert("À̸ÞÀÏÀ» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Mailling.email_2.focus();
		return false;
	}

	if (email_chk(Mailling.email_2.value) != true ){
		alert("À̸ÞÀÏ ÁÖ¼Ò¿¡ ÇѱÛÀ̳ª ¿©¹éÀº »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.");
		Mailling.email_2.focus();
	 	return false;
	}
}





function CheckForm()
{ 
	if (Search.Word.value=="")	{
		alert("°Ë»ö¾î¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä");
		Search.Word.focus();
		return false;
	}	
	document.Search.submit();
	return ;
}

function hangul_chk(word) {
	var str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-";
	for (i=0; i< word.length; i++){
		idcheck = word.charAt(i);

		for ( j = 0 ;  j < str.length ; j++){
			if (idcheck == str.charAt(j)) break;

			if (j+1 == str.length){
				return false;
			}
		}
   	}
   	return true;
}

function email_chk(word) {
	var str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-._@";

	for (i=0; i< word.length; i++){
		idcheck = word.charAt(i);

		for ( j = 0 ;  j < str.length ; j++){
			if (idcheck == str.charAt(j)) break;

			if (j+1 == str.length){
				return false;
     		}
     	}
     }
     return true;
}

function replyCheck()
{ 
	if (reply_input.replyname.value=="")	{
		alert("ÀÛ¼ºÀÚ¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä");
		reply_input.replyname.focus();
		return false;
	}	
	if (reply_input.replypw.value=="")	{
		alert("¾ÏÈ£À» ÀÔ·ÂÇÏ¿© Áֽʽÿä");
		reply_input.replypw.focus();
		return false;
	}
	if (reply_input.replycomm.value=="")	{
		alert("´ñ±Û ³»¿ëÀ» ÀÔ·ÂÇÏ¿© Áֽʽÿä");
		reply_input.replycomm.focus();
		return false;
	}
	
	document.reply_input.submit();
	return false;
}


function cost_check(cost)
{ 
	
	
	if (cost.product.value=="")	{
		alert("Á¦Ç°À» ¼±ÅÃÇØ Áֽʽÿä");
		cost.product.focus();
		return false;
	}	
	if (cost.company.value=="")	{
		alert("ȸ»ç¸íÀ» ÀÔ·ÂÇØ Áֽʽÿä");
		cost.company.focus();
		return false;
	}
	if (cost.c_manager.value=="")	{
		alert("´ã´çÀÚ¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä");
		cost.c_manager.focus();
		return false;
	}
	if (cost.tel_1.value=="")	{
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇØ Áֽʽÿä");
		cost.tel_1.focus();
		return false;
	} else {
		thisfilednum = Check_Num(cost.tel_1.value);
			if (!thisfilednum) {
				alert("¿¬¶ôó´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù");
				cost.tel_1.focus();
				return false;
			}
	}	
	if (cost.tel_2.value=="")	{
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇØ Áֽʽÿä");
		cost.tel_2.focus();
		return false;
	} else {
		thisfilednum = Check_Num(cost.tel_2.value);
			if (!thisfilednum) {
				alert("¿¬¶ôó´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù");
				cost.tel_2.focus();
				return false;
			}
	}
	if (cost.tel_3.value=="")	{
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇØ Áֽʽÿä");
		cost.tel_3.focus();
		return false;
	} else {
		thisfilednum = Check_Num(cost.tel_3.value);
			if (!thisfilednum) {
				alert("¿¬¶ôó´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù");
				cost.tel_3.focus();
				return false;
			}
	}
}


function c_good_check()
{ 
	if (c_good.product.value=="")	{
		alert("Á¦Ç°À» ¼±ÅÃÇØ Áֽʽÿä");
		c_good.product.focus();
		return false;
	}	
	if (c_good.company.value=="")	{
		alert("ȸ»ç¸íÀ» ÀÔ·ÂÇØ Áֽʽÿä");
		c_good.company.focus();
		return false;
	}
	if (c_good.c_manager.value=="")	{
		alert("´ã´çÀÚ¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä");
		c_good.c_manager.focus();
		return false;
	}
	if (c_good.tel_1.value=="")	{
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇØ Áֽʽÿä");
		c_good.tel_1.focus();
		return false;
	} else {
		thisfilednum = Check_Num(c_good.tel_1.value);
			if (!thisfilednum) {
				alert("¿¬¶ôó´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù");
				c_good.tel_1.focus();
				return false;
			}
	}		
	if (c_good.tel_2.value=="")	{
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇØ Áֽʽÿä");
		c_good.tel_2.focus();
		return false;
	} else {
		thisfilednum = Check_Num(c_good.tel_2.value);
			if (!thisfilednum) {
				alert("¿¬¶ôó´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù");
				c_good.tel_2.focus();
				return false;
			}
	}	
	if (c_good.tel_3.value=="")	{
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇØ Áֽʽÿä");
		c_good.tel_3.focus();
		return false;
	} else {
		thisfilednum = Check_Num(c_good.tel_3.value);
			if (!thisfilednum) {
				alert("¿¬¶ôó´Â ¼ýÀÚ¸¸ °¡´ÉÇÕ´Ï´Ù");
				c_good.tel_3.focus();
				return false;
			}
	}	
}



function feed_back_check()
{ 
	if (feed_back.product.value=="")	{
		alert("Á¦Ç°À» ¼±ÅÃÇØ Áֽʽÿä");
		feed_back.product.focus();
		return false;
	}	
	if (feed_back.company.value=="")	{
		alert("ȸ»ç¸íÀ» ÀÔ·ÂÇØ Áֽʽÿä");
		feed_back.company.focus();
		return false;
	}
	if (feed_back.c_manager.value=="")	{
		alert("´ã´çÀÚ¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä");
		feed_back.c_manager.focus();
		return false;
	}
	if (feed_back.tel_1.value=="")	{
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇØ Áֽʽÿä");
		feed_back.tel_1.focus();
		return false;
	}	
	if (feed_back.tel_2.value=="")	{
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇØ Áֽʽÿä");
		feed_back.tel_2.focus();
		return false;
	}
	if (feed_back.tel_3.value=="")	{
		alert("¿¬¶ôó¸¦ ÀÔ·ÂÇØ Áֽʽÿä");
		feed_back.tel_3.focus();
		return false;
	}
}

function reply_view(Num)
{	
	var old_reply_show = document.reply_form.old_reply.value;
		
	if(Num.value == old_reply_show) 
	{
		Num.style.display = 'none';
		document.reply_form.old_reply.value = '';
	}else{
		Num.style.display = 'block';
		document.reply_form.old_reply.value = Num.value;
	}	
}

function OpenReplPass(Num,B_TYPE,DB){	
	var ref = "./main/"+B_TYPE+"/reply_pass.php?DB="+DB+"&Num="+Num;
	var window_left = (screen.width-640)/2;
	var window_top = (screen.height-480)/2;
	window.open(ref,"reply_pass",'width=300,height=90,status=no,top=' + window_top + ',left=' + window_left + '');
}

function ClearField(field){
	if (field.value == field.defaultValue) {
		field.value = "";
	}
}

function FillField(field){
	if (!field.value) {
		field.value = field.defaultValue;
	}
}

function MM_openBrWindow(theURL,winName,features) { 
  window.open(theURL,winName,features);
}


function Check_Write_Form(){ 
	if (Write_Form.W_Name.value==""){
		alert("À̸§À» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Write_Form.W_Name.focus();
		return false;
	}
	if (Write_Form.W_Pass.value==""){
		alert("ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Write_Form.W_Pass.focus();
		return false;
	}
	if (hangul_chk(Write_Form.W_Pass.value) != true ){
		alert("ºñ¹Ð¹øÈ£¿¡ ÇѱÛÀ̳ª ¿©¹éÀº »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.");
		Write_Form.W_Pass.focus();
	 	return false;
	}
	if (Write_Form.W_Pass.value.length < 4 || Write_Form.W_Pass.value.length > 10) {
		alert("ºñ¹Ð¹øÈ£´Â 4~10ÀÚ¸®ÀÔ´Ï´Ù.");
		Write_Form.W_Pass.focus();
		return false;
	}
	if (Write_Form.W_Email.value==""){
		alert("À̸ÞÀÏ ÁÖ¼Ò¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Write_Form.W_Email.focus();
		return false;
	}
	if (email_chk(Write_Form.W_Email.value) != true ){
		alert("À̸ÞÀÏ ÁÖ¼Ò¿¡ ÇѱÛÀ̳ª ¿©¹éÀº »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.");
		Write_Form.W_Email.focus();
	 	return false;
	}
	if (Write_Form.W_Title.value==""){
		alert("Á¦¸ñÀ» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Write_Form.W_Title.focus();
		return false;
	}
	if (Write_Form.W_Contents.value==""){
		alert("³»¿ëÀ» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Write_Form.W_Contents.focus();
		return false;
	}
}


function Check_eng_Write_Form(){ 
	if (Write_Form.W_Name.value==""){
		alert("ENTER YOUR NAME OR ORGANIZATION");
		Write_Form.W_Name.focus();
		return false;
	}
	if (Write_Form.W_Pass.value==""){
		alert("ENTER PASSWORD");
		Write_Form.W_Pass.focus();
		return false;
	}
	if (hangul_chk(Write_Form.W_Pass.value) != true ){
		alert("PASSWORD CANNOT CONTAIN A SPACE OR NON-ENGLISH CHARACTER");
		Write_Form.W_Pass.focus();
	 	return false;
	}
	if (Write_Form.W_Pass.value.length < 4 || Write_Form.W_Pass.value.length > 10) {
		alert("PASDWORD MUST CONTAIN 4 TO 10 CHARACTERS");
		Write_Form.W_Pass.focus();
		return false;
	}
	if (Write_Form.W_Email.value==""){
		alert("ENTER E-MAIL ADDRESS");
		Write_Form.W_Email.focus();
		return false;
	}
	if (email_chk(Write_Form.W_Email.value) != true ){
		alert("E-MAIL ADDRESS CANNOT CONTAIN A SPACE OR NON-ENGLISH CHARACTER");
		Write_Form.W_Email.focus();
	 	return false;
	}
	if (Write_Form.W_Title.value==""){
		alert("ENTER SUBJECT");
		Write_Form.W_Title.focus();
		return false;
	}
	if (Write_Form.W_Contents.value==""){
		alert("ENTER CONTENTS");
		Write_Form.W_Contents.focus();
		return false;
	}
}

function Check_Comment_Form(){ 
	if (Comment_Form.C_Name.value==""){
		alert("À̸§À» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Comment_Form.C_Name.focus();
		return false;
	}
	if (Comment_Form.C_Pass.value==""){
		alert("ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Comment_Form.C_Pass.focus();
		return false;
	}
	if (hangul_chk(Comment_Form.C_Pass.value) != true ){
		alert("ºñ¹Ð¹øÈ£¿¡ ÇѱÛÀ̳ª ¿©¹éÀº »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.");
		Comment_Form.C_Pass.focus();
	 	return false;
	}
	if (Comment_Form.C_Pass.value.length < 4 || Comment_Form.C_Pass.value.length > 10) {
		alert("ºñ¹Ð¹øÈ£´Â 4~10ÀÚ¸®ÀÔ´Ï´Ù.");
		Comment_Form.C_Pass.focus();
		return false;
	}
	if (Comment_Form.C_Email.value==""){
		alert("À̸ÞÀÏ ÁÖ¼Ò¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Comment_Form.C_Email.focus();
		return false;
	}
	if (email_chk(Comment_Form.C_Email.value) != true ){
		alert("À̸ÞÀÏ ÁÖ¼Ò¿¡ ÇѱÛÀ̳ª ¿©¹éÀº »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.");
		Comment_Form.C_Email.focus();
	 	return false;
	}
	if (Comment_Form.C_Title.value==""){
		alert("Á¦¸ñÀ» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Comment_Form.C_Title.focus();
		return false;
	}
	if (Comment_Form.C_Contents.value==""){
		alert("³»¿ëÀ» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Comment_Form.C_Contents.focus();
		return false;
	}
}


function Check_eng_Comment_Form(){ 
	if (Comment_Form.C_Name.value==""){
		alert("ENTER YOUR NAME OR ORGANIZATION");
		Comment_Form.C_Name.focus();
		return false;
	}
	if (Comment_Form.C_Pass.value==""){
		alert("ENTER PASSWORD");
		Comment_Form.C_Pass.focus();
		return false;
	}
	if (hangul_chk(Comment_Form.C_Pass.value) != true ){
		alert("PASSWORD CANNOT CONTAIN A SPACE OR NON-ENGLISH CHARACTER");
		Comment_Form.C_Pass.focus();
	 	return false;
	}
	if (Comment_Form.C_Pass.value.length < 4 || Comment_Form.C_Pass.value.length > 10) {
		alert("PASSWORD MUST CONTAIN 4 TO 10 CHARACTERS");
		Comment_Form.C_Pass.focus();
		return false;
	}
	if (Comment_Form.C_Title.value==""){
		alert("ENTER SUBJECT");
		Comment_Form.C_Title.focus();
		return false;
	}

	if (Comment_Form.C_Email.value==""){
		alert("ENTER E-MAIL ADDRESS");
		Comment_Form.C_Email.focus();
		return false;
	}
	if (email_chk(Comment_Form.C_Email.value) != true ){
		alert("E-MAIL ADDRESS CANNOT CONTAIN A SPACE OR NON-ENGLISH CHARACTER");
		Comment_Form.C_Email.focus();
	 	return false;
	}

	if (Comment_Form.C_Contents.value==""){
		alert("ENTER CONTENTS");
		Comment_Form.C_Contents.focus();
		return false;
	}
}

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 Check_login(Form)
{ 
	if (Login_Form.ID.value=='')
	{
		alert('ȸ¿øID¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.');
		Login_Form.ID.focus();
		return false;
	}
	if (Login_Form.Pass.value=='')
	{
		alert('ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.');
		Login_Form.Pass.focus();
		return false;
	}
}



function Check_Modify_Form(){ 
	if (Modify_Form.M_Name.value==""){
		alert("À̸§À» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Modify_Form.M_Name.focus();
		return false;
	}
	if (Modify_Form.M_Pass.value==""){
		alert("ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Modify_Form.M_Pass.focus();
		return false;
	}
	if (hangul_chk(Modify_Form.M_Pass.value) != true ){
		alert("ºñ¹Ð¹øÈ£¿¡ ÇѱÛÀ̳ª ¿©¹éÀº »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.");
		Modify_Form.M_Pass.focus();
	 	return false;
	}
	if (Modify_Form.M_Pass.value.length < 4 || Modify_Form.M_Pass.value.length > 10) {
		alert("ºñ¹Ð¹øÈ£´Â 4~10ÀÚ¸®ÀÔ´Ï´Ù.");
		Modify_Form.M_Pass.focus();
		return false;
	}
	if (Modify_Form.M_Email.value==""){
		alert("À̸ÞÀÏ ÁÖ¼Ò¸¦ ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Modify_Form.M_Email.focus();
		return false;
	}
	if (email_chk(Modify_Form.M_Email.value) != true ){
		alert("À̸ÞÀÏ ÁÖ¼Ò¿¡ ÇѱÛÀ̳ª ¿©¹éÀº »ç¿ëÇÒ ¼ö ¾ø½À´Ï´Ù.");
		Modify_Form.M_Email.focus();
	 	return false;
	}
	if (Modify_Form.M_Title.value==""){
		alert("Á¦¸ñÀ» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Modify_Form.M_Title.focus();
		return false;
	}
	if (Modify_Form.M_Contents.value==""){
		alert("³»¿ëÀ» ÀÔ·ÂÇÏ¿© Áֽʽÿä.");
		Modify_Form.M_Contents.focus();
		return false;
	}
}


function Contact_Check (form) {
	
	if(!Contact_Form.Con_Name.value) {
		alert("À̸§À» ÀÔ·ÂÇØ ÁÖ¼¼¿ä!");
		Contact_Form.Con_Name.focus();
		return false;
	}

	if(!Contact_Form.Con_CellNum2.value) {
		alert("ÈÞ´ëÆù ¹øÈ£¸¦ ÀÔ·ÂÇØ ÁÖ¼¼¿ä!");
		Contact_Form.Con_CellNum2.focus();
		return false;
	}

	if(!Contact_Form.Con_CellNum2.value) {
        alert("ÈÞ´ëÆù ¹øÈ£¸¦ ¿Ã·ÁÁÖ¼¼¿ä!");
		Contact_Form.Con_CellNum2.focus();
        return false;
    }
	
	if(!Contact_Form.Con_Email.value) {
        alert("À̸ÞÀÏÀ» ÀÔ·ÂÇØ ÁÖ¼¼¿ä!");
        Contact_Form.Con_Email.focus();
        return false;
    }

	if(!Contact_Form.Con_Title.value) {
        alert("Á¦¸ñÀ» ÀÔ·ÂÇØ ÁÖ¼¼¿ä!");
        Contact_Form.Con_Title.focus();
        return false;
    }
}