Simple Google Maps: points and routes (REPOST)

In my research I need information about some geographical points and some routes connecting them. The manual procedure that I currently do is following:

a) find the location on Google Earth

b) write down coordinates of the point

c) check the table Points in a mysql database to see if this point exists already

d) if it does not exist in the table, then add the point (its coordinates and associated information).

I know that this and something more can be done easier with Google Maps API, but I know neither Javascript nor Google API. I need a simple program that:

* (points mode) given a database with points, can display them on the map;

* if I click on a point, displays its information and makes the information editable;

* (route mode) can construct a route by clicking consecutively on points;

* can display routes (a kind of polylines) with different colors

* I shall be able to edit information about the routes.

The two modes above can be two separate web pages, if that makes your life easier.

I plan to use the webpage(s) only on my computer. So it must be as simple as possible, no special design, basic foolproof, no security, no Ruby on Rails. I should be able to copy the folder into my Apache's www folder and it must run out of the box (if the Internet connection is provided for google maps). I expect that the full source code is available (maybe except some standard APIs) so that I can modify and add more fields if necessary. I also expect a decent documentation. The website(s) must be shown correctly on Firefox 5 and all components must fit in a screen with resolution 1200x800 without scrolling.

The underlying MySQL database is fixed. It is an adaptation from OpenStreetMap. The information associated with each point and route is a collection of the following: edit boxes, check boxes, drop-down lists. A route is an ordered list of points. It should be possbible to add / remove a point to/from the route.

The upper limit of the budget is the hard limit.

AJAX 구글 앱 엔진 구글 어스 MySQL PHP

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