var fDesc=new Array();
fDesc[0] = "Java2D contains one of the best Java SE classes, java.awt.AlphaComposite. You can set an alpha composite on a Graphics2D context to blend a draw primitive with the current graphics. This is a small tool that helps you understand how these composites work.";

function tShowHide(id, show)
{
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	{
		s.innerHTML = fDesc[id];
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		if (document.getElementById('more_txt'))
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	else
	{
		s.innerHTML = '';
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}