var fDesc=new Array();
fDesc[0] = "Although the majority of chain length calculator users will be bicycle owners, the program is suitable for calculations with any pitch of chain. It has two modes: derailleur and fixed wheel. Derailleur is intended for bicycles with derailleur gears. Fixed wheel mode is for fixed wheel bikes, cocoa tin geared bikes, motorcycles or any pair of cogs with a chain wrapped around and no chain tensioner.";

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 = '';
	}
}