function check_search() {
	aStr = document.fSearch.search.value;
	aStr = aStr.replace(/^\s*|\s*$/g,"");
	if (aStr.length < 3){
		alert("Hledaný výraz musí obsahovat nejméně tři znaky.");
		return false;
	}
	else {
		return true;
	}
}

function readCookie(cookieName) {
	var theCookie = "" + document.cookie;
	var ind=theCookie.indexOf(cookieName);
	if (ind == -1 || cookieName == "") return ""; 
	var ind1 = theCookie.indexOf(';', ind);
	if (ind1 == -1) ind1 = theCookie.length; 
	return unescape(theCookie.substring(ind + cookieName.length + 1,ind1));
}

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

function addZeroToBasket(){
	alert("Produkt nelze v současné době objednat.");
}