Solape de marcas de tooltip de google map v3

[ayongp]

Hola, estoy montando un mapa en google Maps v3, pero los titulos de cada marker (tooltip) se me superponen, estos son generados a trávez del codigo que esta abajo, hay alguna forma de que la div este a la izquierda o a la derecha de las coordenadas en las que esta el marker, y de esta manera reducir el solape de los titulos, les dejo una imagen para que puedan ver..., saludos
y gracias de antemano.

Código:

/*
Constructor for the tooltip
@ param options an object containing: marker(required), content(required) and cssClass(a css class, optional)
@ see google.maps.OverlayView()
*/

function Tooltip(options) {

    // Now initialize all properties.
    this.marker_ = options.marker;
    this.content_ = options.content;
    this.map_ = options.marker.get('map');
	this.cssClass_ = options.cssClass||null;

    // We define a property to hold the content's
    // div. We'll actually create this div
    // upon receipt of the add() method so we'll
    // leave it null for now.
    this.div_ = null;

    //Explicitly call setMap on this overlay
    this.setMap(this.map_);
	var me = this;
	// Show tooltip on mouseover event.
	google.maps.event.addListener(me.marker_, 'mouseover', function() {
		me.show();
	});
	// Hide tooltip on mouseout event.
	google.maps.event.addListener(me.marker_, 'mouseout', function() {
		me.hide();
	});
}
// Now we extend google.maps.OverlayView()
Tooltip.prototype = new google.maps.OverlayView();

// onAdd is one of the functions that we must implement, 
// it will be called when the map is ready for the overlay to be attached.
Tooltip.prototype.onAdd = function() {

    // Create the DIV and set some basic attributes.
    var div = document.createElement('DIV');
    div.style.position = "absolute";
	// Hide tooltip
	div.style.visibility = "visible";
	if(this.cssClass_)
		div.className += " "+this.cssClass_;

    //Attach content to the DIV.
    div.innerHTML = this.content_;

    // Set the overlay's div_ property to this DIV
    this.div_ = div;

    // We add an overlay to a map via one of the map's panes.
    // We'll add this overlay to the floatPane pane.
    var panes = this.getPanes();
  	panes.floatPane.appendChild(this.div_);
	
  }
// We here implement draw
Tooltip.prototype.draw = function() {

    // Position the overlay. We use the position of the marker
    // to peg it to the correct position, just northeast of the marker.
    // We need to retrieve the projection from this overlay to do this.
    var overlayProjection = this.getProjection();

    // Retrieve the coordinates of the marker
    // in latlngs and convert them to pixels coordinates.
    // We'll use these coordinates to place the DIV.
    var ne = overlayProjection.fromLatLngToDivPixel(this.marker_.getPosition());

    // Position the DIV.
    var div = this.div_;
    div.style.left = ne.x + 'px';
    div.style.top = ne.y + 'px';
    
}
// We here implement onRemove
Tooltip.prototype.onRemove = function() {
    this.div_.parentNode.removeChild(this.div_);
}

// Note that the visibility property must be a string enclosed in quotes
Tooltip.prototype.hide = function() {
    if (this.div_) {
      this.div_.style.visibility = "visible";
    }
}

Tooltip.prototype.show = function() {
    if (this.div_) {
      this.div_.style.visibility = "hidden";
    }
}