function dodaj_artikl_Cookie(id_artikla){
    var sKosarica = readCookie('kosarica');
    var aKosarica = new Array();
    var old_val = 0;
    var updated = false;

    if (sKosarica != null){
        var aKosarica = sKosarica.split('^');
        for (var i=0; i < aKosarica.length; i++){
            var sArtikal = aKosarica[i];
            if (sArtikal != null){
                var aArtikal = sArtikal.split('#');
                if (aArtikal[0] == id_artikla){
                    updated = true;
                    old_val = parseInt(aArtikal[1]);
                    if (old_val == 'NaN') old_val = 0;
                    aArtikal[1] = parseInt(old_val) + 1;
                    sArtikal = aArtikal.join('#');
                    aKosarica[i] = sArtikal;
                }
            } else {
                // prazan je artikl, dodaj jedan
                updated = true;
                aKosarica[i] = id_artikla + '#1';
            }
        }
    }
    sKosarica = aKosarica.join('^');
    sKosarica = sKosarica.replace(/\^+/g,'^');
    if (updated == false) sKosarica = sKosarica + '^' + id_artikla + '#1'
    createCookie('kosarica', sKosarica, 1);

    window.frames['kosarica_iframe'].location = 'kosarica_iframe.php';
}

function ukloni_artikl_Cookie(id_artikla){
    var sKosarica = readCookie('kosarica');
    var aKosarica = new Array();
    var old_val = 0;
    var updated = false;


    if (sKosarica != null){
        var aKosarica = sKosarica.split('^');
        for (var i=0; i < aKosarica.length; i++){
            var sArtikal = aKosarica[i];
            if (sArtikal != null){
                var aArtikal = sArtikal.split('#');
                if (aArtikal[0] == id_artikla){
                    updated = true;
                    old_val = parseInt(aArtikal[1]);
                    if (old_val == 'NaN') old_val = 0;
                    aArtikal[1] = parseInt(old_val) - 1;
                    if (aArtikal[1] < 1){
                        sArtikal = '';
                    } else {
                        sArtikal = aArtikal.join('#');
                    }
                    aKosarica[i] = sArtikal;
                }
            }
        }
    }
    sKosarica = aKosarica.join('^');
    sKosarica = sKosarica.replace(/\^+/g,'^');
    createCookie('kosarica', sKosarica, 1);
}

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) {
    var old_val = parseInt(readCookie(name));
    if (old_val > 1) {
        createCookie(name, -1, 1)
    } else {
	    createCookie(name,"",-1);
    }
}