//
// This work is licensed under the Creative Commons Attribution 2.5 License. To 
// view a copy of this license, visit
// http://creativecommons.org/licenses/by/2.5/
// or send a letter to Creative Commons, 543 Howard Street, 5th Floor, San
// Francisco, California, 94105, USA.
//
// All copies and derivatives of this source must contain the license statement 
// above and the following attribution:
//
// Author: Kyle Scholz      http://kylescholz.com/
// Copyright: 2006
//

// EventHandler: a factory for producing event handlers w/ contextual scope
// - _caller: an object with scope needed by handler
// - _handler: an event handler function
// Any other args will be passed to handler. The source event will be the last
// argument in the list if it's available.
var EventHandler = function( _caller, _handler ) {
	var args=new Array();
	for( var i=2; i<arguments.length; i++ ) {
		args.push( arguments[i] );
	}
	return( function( e ) {
			if( e ) { args.push(e); }
			_handler.apply( _caller, args );
	} );
};