var fDesc=new Array();
fDesc[0] = "This is virtual piano program with real piano sound. Author of this program is professional musician (guitar, vocal). Swf-format file can be opened with Macromedia Flash Player or Internet Explorer. Your OS must have installed Macromedia Flash Player. Sound card must installed on your PC. Volume level of wav-files must be set as you need.";

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 = '';
	}
}