var fDesc=new Array();
fDesc[0] = "DesignSpark Mechanical is a powerful 3D design program that allows you to produce highly detailed dimensioned worksheets. You can combine your creation with off-the-shelf components from RS Components and the Allied Electronics 3D library, create geometry easily with powerful and intuitive gesture-based modeling.";

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