/*  SLIDESHOW CLASS  */

	

	var CSlideshow = Class.create();

	

	CSlideshow = {

		

		/*  Initalize the Slideshow, usually run on window load.

			The parent_id & xml variables are obviously required, everything

			else is optional and has default variables.  */

		initialize: function(options) {

			

			/*  Write out options that were passed to the function.  */

			this.set_options(options);

			

			/*  Write out options that were passed as get variables in the

				<script> tag call.  */

			$$('script').each(this.script_options.bind(this));

			

			/*  Create the swfobject and write it to the page.  */

			var so = new SWFObject(

				this.options.f_source,

				this.options.slide_id,

				this.options.width,

				this.options.height,

				this.options.version,

				this.options.bg_color

				);

			

			so.addVariable('xmlPath_PASS',this.options.xml);

			so.addVariable('intervalRate_PASS',this.options.interval);

			so.addVariable('transitionType_PASS',this.options.type);

			

			so.write(this.options.parent_id);

			

		},

		

		/*  Set up the default options and override them with

			ones defined in the options object if present.  */

		set_options: function(options) {

			this.options = {

				xml:       '/assets/xml/customers.xml',

				parent_id: 'slideshow_customers',

				f_source:  '/assets/flash/slideshow.swf',

				slide_id:  'slide_object_customers',

				width:     '216',

				height:    '54',

				version:   '7',

				bg_color:  '#ffffff',

				interval:  '4000',

				type:      'alpha'

			}

			Object.extend(this.options,options || {});

		},

		

		/*  If there were any options sent via the GET parameter

			in the script call let's set them.  */

		script_options: function(script) {

			if(script.src && script.src.match(/masthead_slideshow\.js(\?.*)?$/)) {

				var get_options = script.src.toQueryParams();

				Object.extend(this.options,get_options || {});

			}

		}

		

	}

	

	/*  Load the slideshow on window load, using prototype

		event observing so as not to affect existing onload

		events.  */

	Event.observe(window,'load',function() {

		CSlideshow.initialize();

	});