var fDesc=new Array();
fDesc[0] = "London Control is an air traffic control simulation system for the personal computer. The simulator uses up-to-date, real-life airspace, the sectors and procedures used by real air traffic controllers, and real aircraft and their flight plans. It simulates all of the airspace controlled by the London (Swanwick) Centre and the Manchester area control sectors at Prestwick Centre.";

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 = '';
	}
}