var Topview = new Class({
	initialize: function (options) {
		el = $E(options.selector);
		if (!el) {
			new Logger(options.selector+' not found');
			return;
		}
		//geen resultmodus switcher!
		try {
			$E('.resultmodelist').setStyle('display', 'none');
		} catch (e) {
			//er is geen resultmodeswitcher ...
			//geen probleem
		}
		try {
		$('detailpaginering').setStyle('display', 'none');
		} catch(e) {}

		//maak een container aan om flikkerende pagina's te voorkomen:
		var container = $('topview_container');
		if (!container) {
			var container = new Element('div', {
				'id':'topview_container',
				'styles': {
					'width': options.width,
					'height': options.height
				}
			});
			container.injectBefore(el);
			el.injectInside(container);
		}

		var _id = el.id.replace(/^topview\_/, '');
		swfobject.embedSWF(
			options.swf, 
			el.id, 
			options.width,
			options.height,
			'8.0.0', 
			options.express, 
			{'xmlpath' : escape(options.url.replace(/{ID}/, _id))}, 
			{
			    wmode : 'window',
				allowFullScreen : 'true',
				swliveconnect: 'true',
				bgcolor : options.bgcolor
			},
			{'class':'topview'}
		);
	}
});

function topview_action(task, files, params)
{
	switch (task) {
		case 'navigate':
			if (TopviewOptions.url.match(/tstart=\d+/)) {
				TopviewOptions.url = TopviewOptions.url.replace(/tstart=\d+/, 'tstart='+params.imageIndex);
			} else {
				TopviewOptions.url += (TopviewOptions.url.match(/\?/) ? '&' : '?');
				TopviewOptions.url += 'tstart=' + params.imageIndex;
			}
			TopviewOptions.selector = 'object.topview';
			new Topview(TopviewOptions);
			break;
		case 'crop':
			if (params.cropwidth<=5 || params.cropheight<=5) return;
			if(!TopviewOptions.cropurl) {
				alert('this function is not available'); 
				return;
			}
			var url = TopviewOptions.cropurl
				.replace(/\{cropx\}/, params.cropx)
				.replace(/\{cropy\}/, params.cropy)
				.replace(/\{cropwidth\}/, params.cropwidth)
				.replace(/\{cropheight\}/, params.cropheight) + files[0].replace(/\/topview/, '').replace(/^\//, '');
			//window.open(url);
			window.document.location.href = url;
			break;
		default:
			new Logger('unkown task in topview.js: ' + task);
			break;
	}
}