window.addEvent('domready', function() {
    var isopen = true;
    
    var myVerticalSlide = new Fx.Elements('map_canvas');
    
    $('v_toggle').addEvent('click', function(e){
        e.stop();
	if(isopen) {
            map.removeControl(map_control);
	    $('map_canvas').tween('padding-top', '25px');
            isopen = false;
	}
	else {

	    $('map_canvas').tween('height', '1560px');
	    $('map_canvas').tween('padding-top', '325px');
            map.addControl(map_control, topLeft);
            isopen = true;
	}
    });
    
});