window.onload = function () { //обработчик события window.onLoad 
    YMaps.jQuery(function () {              
        var map = new YMaps.Map(YMaps.jQuery("#YMapsID")[0]), center;
        if (YMaps.location) {                  
            $.get("/geotarget/location.php",
                  {country:YMaps.location.country,
                   region:YMaps.location.region,
                   city:YMaps.location.city
                  }, 
                  function(data) {
                      $("#geo_target_filial").html(data);
                  }
            );                  
        }              
    })     
}