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JQVMap.prototype.positionPins = function(){
  var map = this;
  var pins = this.container.find('.jqvmap-pin');
  jQuery.each(pins, function(index, pinObj){
    pinObj = jQuery(pinObj);
    var countryId = map.getCountryId(pinObj.attr('for').toLowerCase());
    var countryObj = jQuery('#' + countryId);

    var bbox = document.getElementById(countryId).getBBox();
    var position = countryObj.position();

    var scale = map.scale;

    var left = position.left + (bbox.width / 2) * scale - pinObj.width() / 2,
      top = position.top + (bbox.height / 2) * scale - pinObj.height() / 2;

    pinObj.css('left', left).css('top', top);
  });
};