var fDesc=new Array();
fDesc[0] = "Video Lens Calculator is a tool for windows that can help you choose your lens.<br /> <br /> The most common Vertical / People Counting application of the Lens Computer is to determine the correct focal lenght lens to use for a given situation. Multiple cameras can be used when it is necessary to cover extra-wide doorways for people-counting and overhead analytics.";

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 = '';
	}
}