var fDesc=new Array();
fDesc[0] = "SimplEquations is capable of generating hundreds of sums for drills to ensure that the student masters the technique of solving different types of simple equations and inequalities. Equations and inequalities with decimals and fractions are included. The user can choose the type of equations or inequalities he wishes to practice on. For example, if he has not learnt to handle equations with fractions, he can choose to practise on equations without fractions.";

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 = '';
	}
}