var fDesc=new Array();
fDesc[0] = "Media Preview doesn't simply search for random pictures within your media files, but uses a complete set of image metrics as guidelines to ensure that generated thumbnails are representative enough. Obviously, despite everything has been done in order to fetch the ideal thumbnail, some limitations have been introduced to avoid unwelcomed computer overload.";

function tShowHide(id, show)
{
	var s = document.getElementById("desc");

	if ((s.innerHTML.length<=212 || show==1) && show!=2)
	{
		s.innerHTML = fDesc[id];
		if (document.getElementById('m1'))
			document.getElementById('m1').style.display='none';
		if (document.getElementById('m2'))
			document.getElementById('m2').style.display='none';
		if (document.getElementById('more_txt'))
			document.getElementById('more_txt').style.display='inline';
	}
	else
	{
		s.innerHTML = '';
	}
}