// JavaScript Document
function show_languages ()
{
	var div_with_lang = document.getElementById ('select');
	div_with_lang.style.display = 'block'
}

function hide_languages ()
{
	var div_with_lang = document.getElementById ('select');
	div_with_lang.style.display = 'none'
}




//*** Cookies ************************************************************************************************

function loadDocument ()
{
	var cookie_value = readCookie ("menu");
	var select_lang = document.getElementById ('lang');
	var link_lang = document.getElementById ('link_' + cookie_value);
	if (link_lang)
		{
		select_lang.innerHTML = link_lang.innerHTML;
		}
}




//*** Cookies ************************************************************************************************
function createCookie (name, value, days)
{
	if (days)
		{
		var date = new Date();
		date.setTime(date.getTime() + (days*24*60*60*1000));
		var expires = "; expires=" + date.toGMTString();
		}
	else var expires = "";
	document.cookie = name + "=" + value + expires + "; path=/";
}

function readCookie (name)
{
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for (var i=0; i<ca.length; i++)
		{
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
		}
	return null;
}

function eraseCookie (name)
{
	createCookie (name, "", -1);
}

//*** end of Cookies ************************************************************************************************