var fDesc=new Array();

fDesc[1] = "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[2] = "advanced statistical tests. It includes expanded parametric hypothesis testing tools, expanded nonparametric hypothesis testing tools, survival analysis tools, ROC curves and expanded descriptive statistics tools.";
		fDesc[3] = "precisely. With SigmaPlot, you can produce high-quality graphs without spending hours in front of a computer. SigmaPlot offers seamless Microsoft Office integration, so you can easily access data from Microsoft Excel spreadsheets and present your results in Microsoft PowerPoint® presentations. Graph creation starts with SigmaPlot's award-winning interface. Take advantage of industry-standard menu design, menu toolbars, right mouse button support and graph preferences. Select the graph type you want to create from the Graph Toolbar's easy-to-read icons. The interactive Graph Wizard leads you through every step of graph creation. You get compelling, publication-quality charts and graphs in no time. SigmaPlot offers more options for charting, modeling and graphing your technical data than any other graphics software package. Compare and contrast trends in your data by creating multiple...";
		fDesc[4] = "coordinate plane automatically. It is highly useful for students and for scientific work. It supports a multilingual interface; many languages are included with the installation package and others can be easily downloaded.";
		fDesc[5] = "specific schematic entry and has therefore the ability to define and save an unlimited number of analyses and integrated graphing of simulation results.";
		fDesc[6] = "intelligent application specially designed to solve scientific and engineering mathematical calculations, you will find it easier to solve your mathematical problems.";
		fDesc[8] = "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[9] = "graphing.Equation grapher is an easy-to-use software for 2D function graphing.";
		fDesc[10] = "to graph functions, but you can open examples, demos, and help. You can only perform zoom, change slider values, show axes, copy to clipboard, and play the examples. Examples and demos are for basic functions; two to four dimensions, complex variables, etc.";
		fDesc[11] = "perfect for high school and college math students. This utility is feature rich and comprehensive. It plots 2D graphs with comfortable navigation, and it is well suited for math students.";
		fDesc[12] = "the axis, translate and zoom the graphs in real-time. Graphs can be shaded with customized gradual color along the 3 axis. The lighting allows you to have a better visualization of the depth of the surface.";
		fDesc[13] = "data hub of your classroom and lab. With it come real-time graphing, powerful analytical functions, and intuitive hands-on learning that make data collection easy to measure, analyze, and learn.";
		fDesc[14] = ", perspective drawing, graph zooming, active graph rotation, fogging effect, cubic draw, unlimited space ploting, four view plot";
		fDesc[15] = "separate hand-held graphing calculator when you are working on your PC";
		
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 = '...';
	}
}