function check_sms(form){
  if(!form.m_name.value)
  {
   alert('À̸§À» ÀÔ·ÂÇϼ¼¿ä!');
   form.m_name.focus();
   return false;
  }
  if(!form.m_msg.value)
  {
   alert('¸Þ¼¼Áö¸¦ ÀÔ·ÂÇϼ¼¿ä!');
   form.m_msg.focus();
   return false;
  }

}

function check_sms2(form){
  if(!form.m_pass.value)
  {
   alert('ºñ¹Ð¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä!');
   form.m_pass.focus();
   return false;
  }
}

/* ¹ÙÀÌÆ® °è»ê*/
function check_msglen(frm,id,lenStr)
{
	var length = calculate_msglen(document.getElementById(frm).value);
	document.getElementById(id).innerHTML = length;
	if (length > lenStr) {
		alert("ÃÖ´ë "+lenStr+" ¹ÙÀÌÆ®±îÁö ³²±â½Ç ¼ö ÀÖ½À´Ï´Ù.\r\nÃÊ°úµÈ " + (length - lenStr) + "¹ÙÀÌÆ®´Â ÀÚµ¿À¸·Î »èÁ¦µË´Ï´Ù.");
		document.getElementById(frm).value = assert_msglen(document.getElementById(frm).value, lenStr, id);
	}
}
function calculate_msglen(message)
{
	var nbytes = 0;
	for (i=0; i<message.length; i++) {
		var ch = message.charAt(i);
		if(ch != " ") {
			if (escape(ch).length > 4) {
				nbytes += 2;
			} else if (ch != "\r") {
				nbytes++;
			}
		}
	}
	return nbytes;
}
function assert_msglen(message, maximum, id)
{
	var inc = 0;
	var nbytes = 0; 
	var msg = "";
	var msglen = message.length;
	for (i=0; i<msglen; i++) {
		var ch = message.charAt(i);
		if (escape(ch).length > 4) {
			inc = 2;
		} else if (ch != "\r") {
			inc = 1;
		} else if (ch == " ") {
			inc = 0;
		}

		if ((nbytes + inc) > maximum) {
			break;
		}
		nbytes += inc;
		msg += ch;
	}
	document.getElementById(id).innerHTML = nbytes;
	return msg;
}


/* ¸®Çà ÄÚ¸àÆ® */
var old_menu = "";
function menuclick(submenu) {
	if( old_menu != submenu ) {
		if( old_menu !="" )	{
			old_menu.style.display = "none";
		}
		submenu.style.display =	"block";
		old_menu = submenu;
	} else {
		submenu.style.display =	"none";
		old_menu = "";
	}
}