function readID()
{
        var expDays = 1; // number of days the cookie should last
        var expDate = new Date();
        expDate.setTime(expDate.getTime() +  (24 * 60 * 60 * 1000 * expDays));
        var id = GetCookie('id');
        if (id == null || id == "no id") {
        if (location.search.length > 1)
                id = location.search.substring(1, location.search.length);
        else id = "no id";
        if (id != GetCookie('id'))
                SetCookie('id', id, expDate);
}

// You can change the FORM location below
// where the referral ID is stored on your page
// You then access this element to get the ID
//document.idform.id.value = id;
//alert(id);

}
function getCookieVal (offset)
{
        var endstr = document.cookie.indexOf (";", offset);
        if (endstr == -1)
                endstr = document.cookie.length;
        return unescape(document.cookie.substring(offset, endstr));
}

function GetCookie (name)
{
        var arg = name + "=";
        var alen = arg.length;
        var clen = document.cookie.length;
        var i = 0;
        while (i < clen)
        {
                var j = i + alen;
                if (document.cookie.substring(i, j) == arg)
                        return getCookieVal (j);
                i = document.cookie.indexOf(" ", i) + 1;
                if (i == 0)
                        break;
        }
        return null;
}

function SetCookie (name, value) {
        var argv = SetCookie.arguments;
        var argc = SetCookie.arguments.length;
        var expires = (argc > 2) ? argv[2] : null;
        var path = (argc > 3) ? argv[3] : null;
        var domain = (argc > 4) ? argv[4] : null;
        var secure = (argc > 5) ? argv[5] : false;
        document.cookie = name + "=" + escape (value) +
        ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
        ((path == null) ? "" : ("; path=" + path)) +
        ((domain == null) ? "" : ("; domain=" + domain)) +
        ((secure == true) ? "; secure" : "");
}

function plugNS()
{
        var b=1;
        var o=0;
        var p=new Array("Shockwave Flash","Shockwave for Director","RealPlayer","QuickTime","VivoActive","LiveAudio","VRML","Dynamic HTML Binding","Windows Media Services");
        var np=navigator.plugins;
        for(var x=0;x<p.length;x++)
        {
                for(var i=0;i<np.length;i++)
                        if(np[i].name.indexOf(p[x])>=0)
                        o|=b;
                        b*=2;
        }
        //alert(o)
        return o;
}

function plugIE()
{
        if(!document.body)document.write('<body>');
        var db=document.body;
        var o=0;
        var b=1;
        var p=new Array("D27CDB6E-AE6D-11CF-96B8-444553540000","2A202491-F00D-11CF-87CC-0020AFEECF20","23064720-C4F8-11D1-994D-00C04F98BBC9","","","","90A7533D-88FE-11D0-9DBE-0000C0411FC3","9381D8F2-0288-11D0-9501-00AA00B911A5","22D6F312-B0F6-11D0-94AB-0080C74C7E95");
        db.addBehavior("#default#clientcaps");
        for(var i=0;i<p.length;i++)
        {
                if(p[i])
                        if(db.isComponentInstalled("{"+p[i]+"}","componentid"))o|=b;b*=2;
                }
        //alert(o)
        return o;
}

function storeStats(groep,page,options)
{
        var n=navigator;
        var ver=n.appVersion;
        var name=n.appName;
        var d=document;
        var verIE=parseInt(ver.substring(ver.indexOf("MSIE")+5,ver.indexOf("MSIE")+6));
        var pid;
        var siteUrl=document.location;
        var refUrl=document.referrer;
        if(verIE>0)
                ver=verIE;
        else
                ver=parseInt(ver);
                var url="/stats/default.asp?key="+Math.random()+"&groep="+groep+"&page="+page;
                var r;
                if(options&1)
                        r=d.referrer;
                else
                        r=top.document.referrer;
                        if(!(options&2))
                        {
                                var rc=r;
                                var i=rc.indexOf('?');
                                if(i >=0)rc=rc.substring(0, i);
                                        i=rc.lastIndexOf('/');
                                if(i >=0)
                                        rc=rc.substring(0, i+1);
                                        var l=''+d.location;
                                        if(l.indexOf(rc)==0)r='';
                        }
        if(r&&(r!=d.location))
                url+="&r="+escape(r);
        if((name=="Netscape"&&ver>=3))
                url+="&p="+plugNS();
        if(verIE>=5&&n.appVersion.indexOf('Win')>=0&&n.userAgent.indexOf('Opera')<0)
                url+="&p="+plugIE();
        if(ver>=4)
        {
                var s=screen;
                var sw=s.width;
                var sh=s.height;
                var ww=document.body.clientWidth;
                var wh=document.body.clientHeight;
                var c=s.colorDepth;
                if(sw)
                        url+="&sw="+sw;
                if(sh)
                        url+="&sh="+sh;
                if(ww)
                        url+="&ww="+ww;
                if(wh)
                        url+="&wh="+wh;
                if(c)
                        url+="&c="+c;
                if(pid)
                        url+="&pid="+pid;
                if(siteUrl)
                        url+="&url="+siteUrl;
                if(refUrl)
                        url+="&ref="+refUrl;
        }
        //d.write("<a href=\""+url+"\">"+url+"</a>");
        //alert('<img src="'+url+'" border=0 width=1 height=1>');
        d.write('<img src="'+url+'" border=0>');
        //d.write('<iframe src="'+url+'" border=0 width=400 height=400></iframe>');
}



