var fDesc=new Array();
fDesc[0] = "Playback software provides many functions such as video playback, files analysis with synchronizing images and sound, information of speed, driving trajectories, momentum acceleration, alarm status and electronic map etc. It performs in 4/8 channels for video playback, as well as in full-screen and timeslider, which improves efficiency in case analysis and judgment.";

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 = '';
	}
}