// メニュー ツリー用
function exMenu(tName)
{
	tMenu = document.getElementById(tName).style;
	if (tMenu.display == 'none') tMenu.display = "block"; else tMenu.display = "none";
}
// -->

// メニュー オンオフ用
if (document.images) {
on_whats_img = new Image();on_whats_img.src = '/college/menu_img/whats_on.gif';
off_whats_img = new Image();off_whats_img.src = '/college/menu_img/whats.gif';
on_stance_img = new Image();on_stance_img.src = '/college/menu_img/stance_on.gif';
off_stance_img = new Image();off_stance_img.src = '/college/menu_img/stance.gif';
on_login_img = new Image();on_login_img.src = '/college/menu_img/login_on.gif';
off_login_img = new Image();off_login_img.src = '/college/menu_img/login.gif';
on_test_img = new Image();on_test_img.src = '/college/menu_img/test_on.gif';
off_test_img = new Image();off_test_img.src = '/college/menu_img/test.gif';
on_mail_img = new Image();on_mail_img.src = '/college/menu_img/mail_on.gif';
off_mail_img = new Image();off_mail_img.src = '/college/menu_img/mail.gif';
on_account_img = new Image();on_account_img.src = '/college/menu_img/account_on.gif';
off_account_img = new Image();off_account_img.src = '/college/menu_img/account.gif';
on_url_img = new Image();on_url_img.src = '/college/menu_img/url_on.gif';
off_url_img = new Image();off_url_img.src = '/college/menu_img/url.gif';
on_forex_img = new Image();on_forex_img.src = '/college/menu_img/forex_on.gif';
off_forex_img = new Image();off_forex_img.src = '/college/menu_img/forex.gif';
on_225_img = new Image();on_225_img.src = '/college/menu_img/225_on.gif';
off_225_img = new Image();off_225_img.src = '/college/menu_img/225.gif';
on_225op_img = new Image();on_225op_img.src = '/college/menu_img/225op_on.gif';
off_225op_img = new Image();off_225op_img.src = '/college/menu_img/225op.gif';
on_tech1_img = new Image();on_tech1_img.src = '/college/menu_img/tech1_on.gif';
off_tech1_img = new Image();off_tech1_img.src = '/college/menu_img/tech1.gif';
on_tech2_img = new Image();on_tech2_img.src = '/college/menu_img/tech2_on.gif';
off_tech2_img = new Image();off_tech2_img.src = '/college/menu_img/tech2.gif';

}
function di(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}