var fDesc=new Array();
fDesc[0] = "PDFtk Server is a simple command-line tool for doing everyday things with PDF documents. By using this tool you are able to: merge PDF documents or collate PDF page scans, split PDF pages into a new document, rotate PDF documents or pages, encrypt output as desired, etc.";

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