function setSession(state) {
	var urls = 'http://transgothica.pl/session.php?state='+state;
	
   advAJAX.get({
   	url : urls,
   	onInitialization : function() {}, 
   	onSuccess : function() {},
   	onError : function() {}
   });
}
	
function changeSoundStatus(){
	if(!document.getElementById('soundJS')){
	  var so = new SWFObject('mp3/mediaplayer.swf','soundJS','1','1','0');
	  so.addParam('allowscriptaccess','always');
	  so.addVariable('width','0');
	  so.addVariable('height','0');
	  so.addVariable('file','mp3/sound.mp3');
	  so.addVariable('javascriptid','soundJS');
	  so.addVariable('enablejs','true');
	  so.addVariable('autostart','true');
	  so.addVariable('repeat','always');
	  so.write('sound');
	  setSession('unmute');
	  document.getElementById('soundIcon').innerHTML='<img src="images/unmute.png" border="0">';
	}
	else{
		var player = document.getElementById('soundJS');
		var state = player.getConfig().state;
	
		if(state=="PLAYING"){
			player.sendEvent('STOP','true');
			setSession('mute');
			document.getElementById('soundIcon').innerHTML='<img src="images/mute.png" border="0">';
		}
		else{
			player.sendEvent('PLAY','true');
			setSession('unmute');
         document.getElementById('soundIcon').innerHTML='<img src="images/unmute.png" border="0">';
		}
	}
}