function RPCFetch( sInterface )
{
	this._interface = sInterface ;
}


RPCFetch.prototype.get= function( sCommand, sFormat, oArguments  )
{
	if( typeof oArguments != "object" ) return false ;

	oXml  = new Keen.xml() ;

	oArguments._format = sFormat ;
	oArguments.command = sCommand ;

	if ( typeof this.onload == "function" )
	{
		oXml.onload = this.onload ;
	}
	else
	{
		oXml.onload = function()
		{
			alert( this._xml.responseText ) ;
		};
	}
	oXml.get( this._interface, true, oArguments ) ;
}