Google Maps API Map Resize

	

    var myLatlng = new google.maps.LatLng(45.5269, -34.9592);
    var myOptions = {
      zoom: 2,
      mapTypeControl: false,
      zoomControl: true,
	  streetViewControl: false,
	  center: myLatlng,
	  mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    var map = new google.maps.Map(document.getElementById("map_canvas"), myOptions ); 
	map.setCenter(myLatlng);
	var actions = {'resizeuno': resizeuno, 'reset': reset};
	for (var act in actions) {
	  google.maps.event.addDomListener(document.getElementById(act),'click', actions[act]);
	}  	
	function resizeuno() {
        var southwest = new google.maps.LatLng(47.398, -106.639);
        var northeast = new google.maps.LatLng(48.153, -105.071);
        var bounds = new google.maps.LatLngBounds(southwest, northeast);
        map.fitBounds(bounds);
      }
      function reset() {
        map.setCenter(myLatlng);
        map.setZoom(2);
      }    
      
}

$(document).ready(function() {
	$('#resizeuno').click(function() {
	    $('#map_canvas').css({'width':'300','height':'400'});
	    google.maps.event.trigger(map, 'resize');  
	});
	$('#reset').click(function() {
	    $('#map_canvas').css({'width':'855','height':'550'});
	    google.maps.event.trigger(map, 'resize');   
	});	
});