// GAsync v2 by Michael Geary
// Commented version and description at:
// http://mg.to/2007/06/22/write-the-same-code-for-google-mapplets-and-maps-api

function GAsync( obj ) {

	function callback() {
		args[nArgs].apply( null, results );
	}

	function queue( iResult, name, next ) {

		function ready( value ) {

			results[iResult] = value;
			if( ! --nCalls )
				callback();
		}
		
		var a = [];
		if( next.join )
			a = a.concat(next), ++iArg;
		if( mapplet ) {
			a.push( ready );
			obj[ name+'Async' ].apply( obj, a );
		}
		else {
			results[iResult] = obj[name].apply( obj, a );
		}
	}
	
	var mapplet = ! window.GBrowserIsCompatible;
	var args = arguments, nArgs = args.length - 1;
	var results = [], nCalls = 0;
	
	for( var iArg = 1;  iArg < nArgs;  ++iArg ) {
		var name = args[iArg];
		if( typeof name == 'object' )
			obj = name;
		else
			queue( nCalls++, name, args[iArg+1] );
	}
	
	if( ! mapplet )
		callback();
}