gistfile1.js

var markersArray = [];

// For sake of simplicity, I'm assuming you're using jQuery
// data variable that contains latitudes and longitudes of positions
for(var i=0; i<data.length; i++){
    var glatLng = new google.maps.LatLng(data[i].latitude, data[i].longitude);
    var marker = new google.maps.Marker({map: map, position: glatLng});
    markersArray.push(marker);
    var $p = $('<p />');
    
    // set a data attribute with the id of the marker in your markersArray variable
    var $a = $('<a />').attr({'href':'#', 'class':'forceMarkerClick'}).data('markerId':(markersArray.length-1)).text('Click this marker!');
    
    // This will put a link in the body for you to click for each marker.
    $('body').append($p.append($a));
}

$('.forceMarkerClick').live('click', function(e){
    e.preventDefault();
    google.maps.event.trigger(markersArray[$(this).data('markerId')], 'click');
});