/* 
  MAGIX WSM Tools v1.0
  Copyright (c) 2007-2009 MAGIX Online Services GmbH
*/

function refreshGoogleAds() {
  if (google_ad_url != null) {
    var time = new Date().getTime();
    // trying the first Ad without prefix
    var googleFrame = document.getElementById("google_ads_frame");  
    renewGoogleAdsFrame(time, googleFrame);
    
    // trying Ads 0..4
    for (var index = 0; index < 5; index++) {
      googleFrame = document.getElementById("google_ads_frame" + index);
      renewGoogleAdsFrame(time, googleFrame);
    }
  }
}

function renewGoogleAdsFrame(time, googleFrame) {
    if (googleFrame != null && time != null) {
      var paramPos = googleFrame.src.indexOf("mgx_time=");
      if (paramPos > 0) {
        googleFrame.src = googleFrame.src.substring(0, paramPos) + 'mgx_time=' + time;
      }
      else {
        googleFrame.src += '&mgx_time=' + time;
      }
    }
}