window.addEvent('domready', function(){

	var log = $('status');

	if(!Browser.Engine.trident4) {
		$('cb_phone_no').addEvent('click', function(e){
			e = new Event(e);
			$('cb_form').slide('in');
			$('cb_phone_act').fade('in');
			$('cb_phone_no').fade('out');
			e.stop();
		});
	
		$('cb_phone_act').addEvent('click', function(e){
			e = new Event(e);
			$('cb_phone_act').fade('out');
			$('cb_phone_no').fade('in');
	
			$('cb_form').slide('out');
			e.stop();
		});
		$('cb_form').slide('hide');
 	}

	var timer = 1.5; 
	var periodical, dummy; 
	var status = $('status');
	var start = $('call');

	var feedback = new Request({
		method: 'get',
		onComplete: function(responseText) {
			// status aktualisieren
			var states = Array();
			
			var re = responseText.split(',');
			var aTeilnehmer = Number(re[0]).toString();
			var bTeilnehmer = Number(re[1]).toString();
			
			var st = 'status_'+(aTeilnehmer)+'_'+(bTeilnehmer);
		
			if( status.getLast().className != st ){
				// aktualisieren
				stat = new Element( 'div' , {
						'class': st,
						'styles': {'visbility':'hidden','opacity':0}
					});
				status.adopt(stat);
				// altes ausblenden, neues einblenden
				status.getLast().fade('in');
				status.getFirst().morph({opacity:0,onComplete:function(){status.getFirst().destroy();}});
			}
		}
	});
	var refresh = (function() {
		dummy = $time() + $random(0, 100);
		feedback.send(dummy);
	});
	var call = new Request({
		url: 'callbutton/cb.php',
		method: 'post',

		onComplete: function(responseText) {
			// ergebnis des calls analysieren
			res = responseText.split(',');
			res_status = Number(res[0]);
			res_text = res[1];			
	
			switch( res_status ){
				case 1:
					$('cb_phone_act').fade('out');
					status.getFirst().fade('in');
					feedback.setOptions({'url':res_text});
					feedback.send();
					// erfolgreich, feedback setzen
					$clear(periodical); 
					periodical = refresh.periodical(timer * 1000, this);
					break;
				case 0:
				default:
					// fehlgeschlagen
					alert(res_text);
					break;
			}
		}
	});
	start.addEvent('click', function(e) {
		new Event(e).stop(); 
		call.setOptions({'data':{'h':$time(),'nr':$('nr').getProperty('value')}});
		call.send(); 
	});
});