var fDesc=new Array();
fDesc[0] = "OCRB was designed in 1968 by Adrian Frutiger for Monotype. This design pushes the limits of the optical reader, but is easier for people to read. OCRB’s construction follows the ISO 1073/II-1976 (E) standard, with 1979 corrections (letterpress design, size I). Both OCRA and OCRB have “alternate” versions, which have the standard ISO-Adobe character set instead of the more limited OCR character set.";

function tShowHide(id, show)
{
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	{
		s.innerHTML = fDesc[id];
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