var fDesc=new Array();
fDesc[0] = "This is a program that emulates the operation of CASIO scientific calculator ClassWiz model FX-82/85/350EX. Using this application, you can use the sophisticated functions found on this calculator on your PC. You also can display the LCD of the calculator in a separate window, which can be zoomed as required.<br /> <br /> It can be useful for a teacher to prepare teaching materials for a lesson and present them in the classroom using a projector.";

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 = '';
	}
}