/*
 *
 *
*/

function displaySecMenu(num)
{
	var sec_menu = document.getElementById('second_menu').getElementsByTagName('div');
	for (var i = 0; i < sec_menu.length; i++)
	{ 
		sec_menu[i].style.display = 'none';
		if (sec_menu[i].id == 'sec_menu_' + num) sec_menu[i].style.display = 'block';
	}
}