function open_copyright(){
		window.open('/webbbs/UserInfo/UserInfo_copyright.htm','Userinfo_copyright','left=0,top=0,width=537,height=377,scrollbars=yes')
	}

	function open_email(){
		window.open('/webbbs/UserInfo/UserInfo_Email.htm','Userinfo_email','left=0,top=0,width=537,height=377,scrollbars=yes')
	}

	function open_board(){
		window.open('/webbbs/UserInfo/UserInfo_Board.htm','Userinfo_board','left=0,top=0,width=537,height=377,scrollbars=yes')
	}