Instances of OpenLayers.Layer.ArcGIS93Rest are used to display data from ESRI ArcGIS Server 9.3 (and up?)  Mapping Services using the REST API.  Create a new ArcGIS93Rest layer with the OpenLayers.Layer.ArcGIS93Rest constructor.   More detail on the REST API is available at http://sampleserver1.arcgisonline.com
| OpenLayers. | Instances of OpenLayers.Layer.ArcGIS93Rest are used to display data from ESRI ArcGIS Server 9.3 (and up?) | 
| Constants | |
| DEFAULT_PARAMS | {Object} Hashtable of default parameter key/value pairs | 
| Properties | |
| isBaseLayer | {Boolean} Default is true for ArcGIS93Rest layer | 
| Constructor | |
| OpenLayers. | Create a new ArcGIS93Rest layer object. | 
| Functions | |
| mergeNewParams | Catch changeParams and uppercase the new params to be merged in before calling changeParams on the super class. | 
Create a new ArcGIS93Rest layer object.
var arcims = new OpenLayers.Layer.ArcGIS93Rest("MyName",
                                   "http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Specialty/ESRI_StateCityHighway_USA/MapServer/export",
                                   {
                                     layers: "0,1,2"
                                   });| name | {String} A name for the layer | 
| url | {String} Base url for the ArcGIS server REST service | 
| options | {Object} An object with key/value pairs representing the options and option values. | 
| format | {String} MIME type of desired image type. | 
| layers | {String} Comma-separated list of layers to display. | 
| srs | {String} Projection ID. | 
Catch changeParams and uppercase the new params to be merged in before calling changeParams on the super class.
mergeNewParams:function( newParams )