if(document.images) {
	cust1on=new Image;
	cust1on.src="./images/left-sub_b_01.gif";
	cust1off=new Image;
	cust1off.src="./images/left-sub_01.gif";

	cust2on=new Image;
	cust2on.src="./images/left-sub_b_02.gif";
	cust2off=new Image;
	cust2off.src="./images/left-sub_02.gif";

	cust3on=new Image;
	cust3on.src="./images/left-sub_b_04.gif";
	cust3off=new Image;
	cust3off.src="./images/left-sub_04.gif";

	cust4on=new Image;
	cust4on.src="./images/left-sub_b_05.gif";
	cust4off=new Image;
	cust4off.src="./images/left-sub_05.gif";
}

function boardcheck(theform){
	if (theform.bname.value==0){
		alert("성함을 입력해 주십시오.");
		theform.bname.focus();
		return false;
	}else if (theform.bemail.value==0){
		alert("이메일을 입력해 주십시오.");
		theform.bemail.focus();
		return false;
	}else if (theform.bemail.value.indexOf("hanmail.net") >= 0 || theform.bemail.value.indexOf("daum.net") >= 0){
		alert("죄송합니다.\n한메일 이용시 옳바른 메일을 받아보실 수 없습니다.\n한메일 외에 다른 메일을 입력해 주십시오.");
		theform.bemail.value="";
		theform.bemail.focus();
		return false;
	}else if (theform.bemail.value.indexOf("@")<=0 || theform.bemail.value.indexOf(".")<=0){
		alert("이메일을 올바르게 입력해 주십시오.");
		theform.bemail.value="";
		theform.bemail.focus();
		return false;
	}else if (theform.btitle.value==0){
		alert("글제목을 입력해 주십시오.");
		theform.btitle.focus();
		return false;
	}else if (theform.bcontent.value==0){
		alert("글내용을 입력해 주십시오.");
		theform.bcontent.focus();
		return false;
	}else if (theform.bpasswd.value==0){
		alert("비밀번호를 입력해 주십시오.");
		theform.bpasswd.focus();
		return false;
	}
	else
		return true;
}

function selectCondition(theform){
	if (theform.board_word.value==0){
		alert("검색할 단어를 넣어주십시오.");
		theform.board_word.focus();
		return false;
	}else if (theform.board_word.value.length <2){
		alert("검색할 단어를 2자 이상 넣어주십시오.");
		theform.board_word.focus();
		return false;
	}else
		return true;
}

function delete_board(no){
	if(confirm("이 게시물을 정말 삭제하시겠습니까?")==true){
		location.href = "./custBoard_delete.asp?bno="+no;
	}
}

function deleteBoard_check(theform){
	if (theform.bpasswd.value==0)	{
		alert("비밀번호를 입력해 주십시오.");
		theform.bpasswd.focus();
		return false;
	}else
		return true;
}