Hex maps creation and rollover

hexagon_width = 38;
hexagon_height = 44;
grid_x_size = 12;
grid_y_size = 10;
sector_width = hexagon_width;
sector_height = hexagon_height/4*3;
gradient = (hexagon_height/4)/(hexagon_width/2)
for (x=0; x<grid_x_size; x++) {
	for (y=0; y<grid_y_size; y++) {
		hexagon_x_position = hexagon_width*x+(y%2)*hexagon_width/2;
		hexagon_y_position = hexagon_height*y/4*3;
		hexagon_number = x+y*grid_x_size;
		hexagon_movieclip = attachMovie("hhexagon", "hhexagon_"+hexagon_number, hexagon_number, {_x:hexagon_x_position, _y:hexagon_y_position});
		hexagon_movieclip.gotoAndStop(1);
		hexagon_movieclip.txt.text = hexagon_number;
	}
}
onEnterFrame = function() {
	_root["hhexagon_"+hexagon_hover].gotoAndStop(1);
	sector_x = Math.floor(_xmouse/sector_width);
	sector_y = Math.floor(_ymouse/sector_height);
	delta_sector_x = _xmouse%sector_width;
	delta_sector_y = _ymouse%sector_height;
	switch(sector_y%2){
		case 1:
			if(delta_sector_x>=hexagon_width/2){
				if(delta_sector_y<(hexagon_height/2-delta_sector_x*gradient)){
					real_x = sector_x;
					real_y = sector_y-1;
				}
				else{
					real_x = sector_x;
					real_y = sector_y;
				}
			}
			else{
				if(delta_sector_y<delta_sector_x*gradient){
					real_x = sector_x;
					real_y = sector_y-1;
				}
				else{
					real_x = sector_x-1;
					real_y = sector_y;
				}
			}
			break;
		case 0:
			real_x = sector_x;
			real_y = sector_y;
			if(delta_sector_y<((hexagon_height/4)-delta_sector_x*gradient)){
				real_x = sector_x-1;
				real_y = sector_y-1;
			}
			if(delta_sector_y<((-hexagon_height/4)+delta_sector_x*gradient)){
				real_x = sector_x;
				real_y = sector_y-1;
			}
			break;
	}
	if((real_x>=0)and(real_x<grid_x_size)and(real_y>=0)and(real_y<grid_y_size)){
		hexagon_hover = real_x+real_y*grid_x_size;
		_root["hhexagon_"+hexagon_hover].gotoAndStop(2);
	}
};