Google Earth API Samples - JavaScript in Balloons

Click the placemark!

Relevant Resources:

• GEHtmlStringBalloon Reference
• GEPlugin Reference
• KmlEvent Reference

Relevant Code Excerpt:

google.earth.addEventListener(placemark, 'click', function(event) {
  // prevent the default balloon from popping up
  event.preventDefault();
  
  var balloon = ge.createHtmlStringBalloon('');
  balloon.setFeature(event.getTarget());
  balloon.setMaxWidth(300);
  
  // Google logo.
  balloon.setContentString(
      '<a href="#" onclick="alert(\'Running some JavaScript!\');">Alert!</a>');
  
  ge.setBalloon(balloon);
});