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 show_nav1(what) {
//     //open / close subs
//     if (getCookie('navsub1')!='') {
//         var to_close=getCookie('navsub1');
//         try {
//             document.getElementById(to_close).style.height="0px";
//         }
//         catch(err) {}
//     }
//     //welk cat in de linker navigatie wordt uitgeklapt?
//     document.getElementById(what).style.height="100%";
//     document.cookie='navsub1'+ "=" +escape(what);
// }

function close_leftnav1() {
    alert('wordt close_leftnav1 gebruikt ergens?');
    if (getCookie('navsub1')!='') {
        try {
            var to_close=getCookie('navsub1');
            document.getElementById(to_close).style.height="0px";
            var d = new Date();
        }
        catch(err) { }
        document.cookie = "navsub1="+to_close+";expires=" + d.toGMTString() + ";" + ";";
    }
}

// function show_subcat(what) {
//     if (getCookie('navsubcat')!='') {
//         var to_close=getCookie('navsubcat');
//         try {
//             if (document.getElementById(to_close)!='undefined') {
//                 document.getElementById(to_close).style.height="0px";
//                 document.getElementById(to_close).style.visibility="hidden";
//                 document.cookie = 'navsubcat'+"="+to_close+";expires=Thu, 01-Jan-1970 00:00:01 GMT";
//             }
//         }
//         catch(err) {}
//     }
//     //welk cat in de linker navigatie wordt uitgeklapt?
//     if (document.getElementById(what)!='undefined') {
//         document.getElementById(what).style.height="100%";
//         document.cookie='navsubcat'+ "=" +escape(what);
//     }
//     show_navcatnws('navcatnws'+what.replace('navsubcat',''));
// }

function show_navcatnws(what) {
    if (getCookie('snavcatnws')!='') {
        var to_close=getCookie('snavcatnws');
        try {
            if (document.getElementById(to_close)!='undefined') {
                document.getElementById(to_close).style.height="0px";
                document.getElementById(to_close).style.overflow="hidden";
                document.cookie = 'snavcatnws'+"="+to_close+";expires=Thu, 01-Jan-1970 00:00:01 GMT";
            }
        }
        catch(err) {}
    }
    //welk cat in de linker navigatie wordt uitgeklapt?
    if (document.getElementById(what)!='undefined') {
        document.getElementById(what).style.height="100%";
        document.getElementById(what).style.overflow="visible";
        document.cookie = 'snavcatnws'+ "=" +escape(what);
    }
}

function fix_footer_width() {
    document.getElementById('ftortop').style.width=document.getElementById('ft_links').offsetWidth+'px';
    document.getElementById('ftorbot').style.width=document.getElementById('ft_links').offsetWidth+'px';
}