Commit documentation for remaining layers.

git-svn-id: http://svn.openlayers.org/trunk/openlayers/doc@1265 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

Layer.Boxes.txt

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+OpenLayers.Layer.Boxes
+
+A subclass of the markers layer, this layer draws boxes using div elements
+instead of icons using images.
+
+* Constructor
+  OpenLayers.Layer.Boxes(name, options) -- Same as OpenLayers.Layer.Markers.

Layer.GeoRSS.txt

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+OpenLayers.Layer.GeoRSS
+
+GeoRSS layer. Pass a name and location of a GeoRSS file on the web, and a marker will be added to the map for each item in the GeoRSS feed. Uses OpenLayers.loadURL to load the XML, parses the data, and adds markers to the map.
+
+* Constructor
+  OpenLayers.Layer.GeoRSS(name, url) -- Name and location of GeoRSS XML file.
+
+* Methods
+  parseData(ajaxResponse) -- none -- Callback for the loadURL call. This function parses the XML for the GeoRSS feed, creating markers for the data and adding a popup to each marker. It populates an array of features as 'this.features'.
+  markerClick(Event) -- none -- Action to perform when a marker is clicked.
+  clearFeatures() -- none -- Removes all features and markers from the map.

Layer.KaMap.txt

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+OpenLayers.Layer.KaMap
+
+ka-Map is a Mapserver wrapper which performs caching and works around many of the deficiencies with tiling when using Mapserver as a WMS client.
+
+* Construtor
+  OpenLayers.Layer.KaMap(name, url, params, options) -- URL is the url of the tile.php for KaMap.
+

Layer.Markers.txt

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+OpenLayers.Layer.Markers
+
+The base class for all vector drawing, The OpenLayers.Layer.Markers layer is the primary way to get annotations into your map. 
+
+* Constructor
+  OpenLayers.Layer.Markers(name, options) -- Name and options for layer.
+
+* Methods
+  addMarker({OpenLayers.Marker|Marker}) -- none -- Adds a marker to the layer, sets the map object on the marker, and calls drawMarker on the marker.
+  removeMarker({OpenLayers.Marker|Marker}) -- none -- Remove the marker from the layer and map.
+  clearMarkers() -- none -- Remove all markers from the layer with removeMarker.
+  redraw() -- none -- Redraw all markers. Used so that markers can change their position when a base layer changes.
+  drawMarker -- none -- Call marker.draw(px), which passes the Pixel of the latitude/longitude in the map viewport to the marker. adds the marker to the div, and marks the marker as drawn.

Layer.Text.txt

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+OpenLayers.Layer.Text
+
+Subclass of Markers layer which retrieves CSV file from the web, and parses content to create markers and popups.
+
+* Constructor
+  OpenLayers.Layer.Text(name, options) -- Pass in name, and set location: 'URL of CSV file' in the options hash.
+
+* Methods
+  parseData(ajaxRequest) -- none -- Parses returned CSV file. 
+

Marker.Box.txt

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+OpenLayers.Marker.Box
+
+A different kind of Marker, designed to be added to a Boxes layer instead of a Markers layer.
+
+* Constructor
+  OpenLayers.Marker.Box({OpenLayers.Bounds|bounds}, borderColor, borderWidth) -- Set up a box. Defaults are red, with a width of 2.
+
+* Methods
+  setBorder(color, width) -- sets properties of border color and width.
+