function MM_centerOpen(url)
{
  w = 780;
  h = 520;
  x = (screen.width - w)/2;
  y = (screen.height - h)/2;
  var openWin;
  openWin=window.open(url,"lta","width= "+ w +",height= "+h+",top="+y+",left="+x+",scrollbars=no,status");
  openWin.focus();
}

function centerOpen(url)
{
  w = 780;
  h = 630;
  x = (screen.width - w)/2;
  y = (screen.height - h)/2;
  var openWin;
  openWin=window.open(url,"lta","width= "+ w +",height= "+h+",top="+y+",left="+x+",scrollbars=no,status");
  openWin.focus();
}

function openBrWin()
{
window.open('http://www.kbinfo.co.jp/human/education/education_02.html','','');
}

function PoPupWindow(url)
{
  w = 780;
  h = 560;
  x = (screen.width - w)/2;
  y = (screen.height - h)/2;
  window.open(url,"log_in","width= "+ w +",height= "+h+",top="+y+",left="+x+",scrollbars=no,status");
  return;	
}

function menuDisp(num)
{
var n = num;
	if(n == '1') {
		document.all('el_menu').style.display = "";
		document.all('gos_menu').style.display = "none";
		document.all('se_menu').style.display = "none";
	}
	if(n == '2') {
		document.all('el_menu').style.display = "none";
		document.all('gos_menu').style.display = "";
		document.all('se_menu').style.display = "none";
	}
	if(n == '3') {
		document.all('el_menu').style.display = "none";
		document.all('gos_menu').style.display = "none";
		document.all('se_menu').style.display = "";
	}
}

function AddFavo()
{
  window.external.AddFavorite('http://www.i-netschool.com','i-netschool');
}

function MM_openBrWindow(theURL,winName,features)
{
  var newOpen;
  newOpen = window.open(theURL,winName,features);
  newOpen.focus();
}