var fDesc=new Array();
fDesc[0] = "This program is - the math expressions interpreter and analyser, the RTF formulas editor and Latex string generator.<br /> That means, this program allows:<br /> -to type whole the expression, and do the result computation after that;<br /> -to check the results of intermediate actions;<br /> -to edit the formulas using the RTF format advantages that allows to use formulas in verious RTF text editors including MSWord;<br /> -to get the string compatible with Latex format for using on the sites which recognize it and in some publishing systems which support that format.";

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{
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	{
		s.innerHTML = fDesc[id];
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