var fDesc=new Array();
fDesc[0] = "The Dem3d allows us to view and move DEM files (.dem format) through a 3-dimensional perspective. This free downloadable software was provided by the footer image. USGS Mid-Continent Mapping Center (MCMC), but MCMC no longer provides support for this viewer.<br /> <br /> The dem3d viewer runs on Windows platform.";

function tShowHide(id, show)
{
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	{
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