function showinfo ( intPrId ) {

	objInfoBox	= document.getElementById ( 'infobox' + intPrId );
	objInfoBox.style.display	= '';
	
}

function hideinfo ( intPrId ) {

	objInfoBox	= document.getElementById ( 'infobox' + intPrId );
	objInfoBox.style.display	= 'none';
	
}