var fDesc=new Array();

fDesc[1] = "It includes templates and tutorials to help you do your homework in Microsoft Office. Includes Microsoft Math for doing mathematical calculations including solving equations and plotting graphs, calculus, etc. Dictionary and Thesaurus helps learn foreign languages too.";
		fDesc[2] = "homework done more quicker and easier It can evaluate solve and graphic equations, run matrixes, find standard deviations, means or variances. I'ts a powerfull College Scientific Calculator with nice graphing capabilities";
		fDesc[3] = "styles and fonts, insert symbols and use many preferences and templates to suit your needs. You can even use the drag-and-drop option to include equations in a document, save it as an image file in various image formats, export equations from a document and much more.";
		fDesc[4] = "This incredible program allows you to cut-and-paste math into any one of a growing number of MathML-compatible software packages, such as Maple and Mathematica.";
		fDesc[5] = "equation just typing it over a text field and pressing enter. Graphmatica is very easy to use and have a lot of interesting options. The only drawback is that you could use it just for 30 days, after that you have to pay for it.";
		fDesc[6] = "functions and the first two derivatives extremely fast and accurately, finds extrema of the function.";
		fDesc[7] = "and will show you step-by-step how to do it. It doesn't matter if you have cubic, quadratic or linear equations, the program is able to simplify, and calculate equations, and display the process in order to show you how to solve them.";
		fDesc[9] = "program will format it. Besides, you don’t even have to use a capital type. FX Chem can recognize different components of a chemical equation and move them in the appropriate place.";
		fDesc[10] = "math/chemical equations simple vector graphics and pictures.";
		fDesc[11] = "and advanced users as well. This new version is fully automated, and offers faster drawing, more precise drawing of complex equations, enhanced new user-interface, even easier to use than before.";
		fDesc[12] = "graphing.Equation grapher is an easy-to-use software for 2D function graphing.";
		fDesc[13] = "expressions to include in digital documents and texts. It’s pretty similar to the equations editor included in Microsoft Word, only a little more sophisticated and complete.";
		fDesc[14] = "coupled non-linear algebraic equations. ESS can also be used to solve initial value differential equations, do linear and non-linear regression, unit conversion, unit consistency checking, optimization, and uncertainty analysis, and produce publication-quality plots.";
		fDesc[15] = "applications will automate, in a single step, the surface fitting process for you and enable you to find the ideal model for your 3D data within seconds using its built-in, frequently encountered, equations. The program can fit and rank around 36,000 out of its over 450 million equations.";
		
function tCollapseAll(maxID)
{
	document.getElementById("alls_action").innerHTML = "<span id=\"exp1\" onclick=\"JavaScript:tExpandAll(" + maxID + ");\">Expand descriptions</span>";
		
	var id=1;
	for (id=1; id <= maxID; id++) 
	{
		if (document.getElementById("desc_" + id))
			tShowHide(id, 2);
	}
}

function tExpandAll(maxID)
{
	document.getElementById("alls_action").innerHTML = "<span id=\"exp2\" onclick=\"JavaScript:tCollapseAll(" + maxID + ");\">Collapse descriptions</span>";

	var id=1;
	for (id=1; id <= maxID; id++) 
	{
		if (document.getElementById("more_" + id))
			tShowHide(id, 1);
	}
}

function tShowHide(id, show)
{
	var s = document.getElementById("more_" + id);

	if ((s.innerHTML!=fDesc[id] || show==1) && show!=2)
	{
		s.innerHTML = fDesc[id];
	}
	else
	{
		s.innerHTML = '...';
	}
}