function getCookie(name) {
	var prefix = name + "="
	var cookieStartIndex = document.cookie.indexOf(prefix)
	if (cookieStartIndex == -1)
		return null
	var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length)
	if (cookieEndIndex == -1)
		cookieEndIndex = document.cookie.length
	return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex))
}
function setCookie(name, value, expires, path, domain, secure) {
	var curCookie = name + "=" + escape(value) +
		((expires) ? "; expires=" + expires.toGMTString() : "") +
		((path) ? "; path=" + path : "") +
		((domain) ? "; domain=" + domain : "") +
		((secure) ? "; secure" : "")
	if ((name + "=" + escape(value)).length <= 4000)
		document.cookie = curCookie
	else
		if (confirm("Cookie превышает 4KB и будет вырезан !"))
				document.cookie = curCookie
}
function show_hide(element){
	if(document.getElementById(element).style.display == "block"){
		if(element == 'menu_all'){
			document.getElementById('menu_all_switcher').innerText = 'Все разделы';
			document.getElementById('menusw').style.backgroundImage = 'url(http://www.studclub.poltava.ua/site.files/menuswclose.gif)';
			var expire = new Date("July 21, 2020 01:15:00");
			setCookie('ST_menu_all_value', 'hidden', expire, '/', '.studclub.poltava.ua');
		}
		document.getElementById(element).style.display = "none";
	}
	else{
		if(element == 'menu_all'){
			document.getElementById('menu_all_switcher').innerText = 'Скрыть разделы';
			document.getElementById('menusw').style.backgroundImage = 'url(http://www.studclub.poltava.ua/site.files/menuswopen.gif)';
			var expire = new Date("July 21, 2020 01:15:00");
			setCookie('ST_menu_all_value', 'visible', expire, '/', '.studclub.poltava.ua');
		}
		document.getElementById(element).style.display = 'block';
	}
}