Evt_Move_Object.prototype=new Event();function Evt_Move_Object(){this._map_coords=new Array(0,0)}Evt_Move_Object.prototype.mouse_move=function(b){try{var d=_MAP_WRAPPER.convert_to_relative_pixel_coords(b.clientX,b.clientY);var a=_MAP_WRAPPER.convert_to_geo(d[0],d[1]);if(this._map_coords[0]!=a[0]||this._map_coords[1]!=a[1]){this._map_coords=a;_MAP_WRAPPER.clear_snap_point();this.do_operation(new Point(a[0],a[1]));this._x_move=d[0];this._y_move=d[1];if(_SELECTED_VERTEX!=null){_GENERIC_GIS_UTILS.snap_point_on_layers(_MAP_WRAPPER.convert_to_pixel(_SELECTED_VERTEX._x,_SELECTED_VERTEX._y,true))}}stop_propagating_event(b)}catch(c){throw"Evt_Move_Object.mouse_move(): "+c}};Event.prototype.mouse_up=function(a){_MAP_WRAPPER.clear_snap_point();stop_propagating_event(a)};Evt_Move_Object.prototype.do_operation=function(a){};