function GetParam(name) {
 var match = new RegExp(name + "=(.+)[&]","i").exec(location.search);
 if (match==null) {
 match = new RegExp(name + "=(.+)","i").exec(location.search);
 }
 if (match==null)  {
 return null;
 }
 
 match = match + "";
 result = match.split(",");
 return result[1];
 }

 
 
 
 
function google_afs_request_done(google_ads)  {
 /*
 * Controleer of er daadwerkelijk advertenties beschikbaar zijn voor weergave.
 */
 var google_num_ads = google_ads.length;
 if (google_num_ads <= 0)
 {
 return;
 }

 var wideAds = ""; // html-tekst voor brede advertentieblokken
 var narrowAds = ""; // html-tekst voor smalle advertentieblokken

 for(i = 0; i < google_num_ads; i++)
 {
 if (google_ads[i].type=="text/wide")
 {
 // render a wide ad
 wideAds+='<a style="text-decoration:none" onmouseover="javascript:window.status=\'' +
 google_ads[i].url + '\';return true;" ' +
 'onmouseout="javascript:window.status=\'\';return true;" ' +
 'href="' + google_ads[i].url + '">' +

 '<span class="ad_line1">' + google_ads[i].line1 + '</span></a><br>' +
 
 '<span class="ad_text">' + google_ads[i].line2 + '</span><br>' +
 
 '<a style="text-decoration:none" onmouseover="javascript:window.status=\'' +
 google_ads[i].url + '\';return true;" ' +
 'onmouseout="javascript:window.status=\'\';return true;" ' +
 'href="' + google_ads[i].url + '">' +
 
 '<span class="ad_url">' + google_ads[i].visible_url + '</span><br><br></a>';
 }

 else
 {
 // een smalle advertentieblok weergeven
 narrowAds+='<a style="text-decoration:none" onmouseover="javascript:window.status=\'' +
 google_ads[i].url + '\';return true;" ' +
 'onmouseout="javascript:window.status=\'\';return true;" ' +
 'href="' + google_ads[i].url + '">' +

 '<span class="ad_line1">' + google_ads[i].line1 + '</span></a><br>' +

 '<span class="ad_text">' + google_ads[i].line2 + '</span><br>' +

 '<span class="ad_text">' + google_ads[i].line3 + '</span><br>' +

 '<a style="text-decoration:none" onmouseover="javascript:window.status=\'' +
 google_ads[i].url + '\';return true;" ' +
 'onmouseout="javascript:window.status=\'\';return true;" ' +
 'href="' + google_ads[i].url + '">' +

 '<span class="ad_url">' + google_ads[i].visible_url + '</span><br><br></a>';
 }
 }

 if (narrowAds != "")
 {
 narrowAds = '<a style="text-decoration:none" ' +
 'href="http://services.google.com/feedback/online_hws_feedback">' +
 '<span class="ad_header" style="text-align:left">Advertenties door Google</span><br><br></a>' + narrowAds;
 }

 if (wideAds != "")
 {
 wideAds = '<a style="text-decoration:none" ' +
 'href="http://services.google.com/feedback/online_hws_feedback">' +
 '<span class="ad_header" style="text-align:left">Ads by Google</span><br><br></a>' + wideAds;
 }

 // HTML schrijven voor brede en smalle advertenties voor de juiste <div> elementen
 document.getElementById("wide_ad_unit").innerHTML = wideAds;
 document.getElementById("narrow_ad_unit").innerHTML = narrowAds;
 }