function getCookie(c_name) {
if (document.cookie.length>0)
    {
    c_start=document.cookie.indexOf(c_name + "=");
    if (c_start!=-1)
    {
        c_start=c_start + c_name.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 "";
}

function setCookie(c_name, value, expiredays) {
    var exdate=new Date();
    exdate.setDate(exdate.getDate()+expiredays);
    document.cookie=c_name+ "=" +escape(value)+
    ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

//http://www.netlobo.com/url_query_string_javascript.html
function gup(name) {
    name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
    var regexS = "[\\?&]"+name+"=([^&#]*)";
    var regex = new RegExp(regexS);
    var results = regex.exec(window.location.href);
    if(results == null)
        return "";
    else
        return results[1];
}

function goUrl(target) {
    window.location.href = target;
}

function saveGallery() {
    setCookie('galleryPage', page, 1);
    setCookie('galleryThumb', selected, 1);
}

function leaveGallery(target) {
    saveGallery();
    window.location.href = target;
}

function returnGallery(target, page, selected) {
    page = getCookie('galleryPage');
    selected = getCookie('galleryThumb');
    url = target + '?p=' + page + '&s=' + selected;
    window.location.href = url;
}