/***********************************************************
	* Načíta / nastaví hodnoty cookies
	************************************************************/
jQuery.cookie = function(nazov, hodnota, expiredays) {
	if (typeof hodnota != 'undefined') { // uloží data do cookies
		var c_exdate = "";
		var exdate = new Date();
		if (expiredays != null){
			exdate.setDate(exdate.getDate() + expiredays);
		} else {
			exdate.setDate(exdate.getDate() + 100000);
		}
		c_exdate = ";expires=" + exdate.toUTCString();
		document.cookie = nazov + "=" + escape(hodnota) + c_exdate;
		return true;
	} else { // načíta data z cookies
		if (document.cookie.length > 0){
			c_start = document.cookie.indexOf(nazov + "=");
			if (c_start != -1){
				c_start = c_start + nazov.length + 1;
				c_end = document.cookie.indexOf(";", c_start);
				if (c_end == -1){
					c_end = document.cookie.length;
				}
				return unescape(document.cookie.substring(c_start, c_end));
			}
		}
		return '';
	}
}