function toggleDivVisibility (divId) {
	var whichpost = document.getElementById(divId);
	if (whichpost.className=="divShown")
	{ 
		whichpost.className="divHidden";
	}

	else 
	{
		whichpost.className="divShown";
	}
}

/* Para el reproductor multimedia */

 function GetMultimediaPlayer(movieName)
 {
 	//return document.getElementById(movieName);
 	
 	if(navigator.appName.indexOf("Microsoft") != -1) {
 		return window[movieName];
	} else {
 		return document[movieName];
 	}
 };
 
 function PlayPauseMultimediaPlayer (movieName, id_a)
 {
 	GetMultimediaPlayer(movieName).sendEvent('playpause',''); 
	
	// Obtenemos el elemento y cambiamos el texto
	var a = document.getElementById(id_a)
	var new_text = a.attributes['text-alt'].value;
	
	a.attributes['text-alt'].value = a.innerHTML;
	a.innerHTML = new_text;
 }