/**	Uchovavani stavu parametru v cookies*/


//Nastavi elementu jeho posledni stav
//podlke nastaveni v cookies
function shCookies(e){
	elm = document.getElementById(e);
	cv = readCookie(e);
	elm.style.display = cv;
}

function shCookiesSet(e){
	elm = document.getElementById(e);
	//zjistime stav
	//alert (elm.style.display);
	if (elm.style.display == "none"){
		elm.style.display = 'block';
	}else{
		elm.style.display = 'none';
	}
	//jeste zapis do cookie
	createCookie(e,elm.style.display,10);
}

//nastavit kookie na minuty
function createCookie(name,value,minut) {
	if (minut){
		var date = new Date();
		//date.setTime(date.getTime()+(days*24*60*60*1000));
		date.setTime(date.getTime()+(minut*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);
}