var fDesc=new Array();
fDesc[0] = "This software offers a solution to users who want to convert a unit of measurement. The user selects the type of measurement: length, temperature, speed, volume, weight or area. The unit to be converted and the target unit are picked from drop down menus before entering the value of the number to be converted and starting the conversion.";

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 = '';
	}
}