function epreorderspage(value, cattitle)
{
	// Hide all the values on the page.
	switch(value)
	{
		case "epreorders":
			// Hide all the categories on the page.
			var aboxitemsdiv = document.getElementById('aboxitemsdiv');
			var bboxitemsdiv = document.getElementById('bboxitemsdiv');
			var cboxitemsdiv = document.getElementById('cboxitemsdiv');
			var dboxitemsdiv = document.getElementById('dboxitemsdiv');
			var eboxitemsdiv = document.getElementById('eboxitemsdiv');
			var sportboxitemsdiv = document.getElementById('sportboxitemsdiv');
			var encoreboxitemsdiv = document.getElementById('encoreboxitemsdiv');
			var culturalboxitemsdiv = document.getElementById('culturalboxitemsdiv');
			var extraitemsdiv = document.getElementById('extraitemsdiv');
			aboxitemsdiv.style.display="none";
			bboxitemsdiv.style.display="none";
			cboxitemsdiv.style.display="none";
			dboxitemsdiv.style.display="none";
			eboxitemsdiv.style.display="none";
			sportboxitemsdiv.style.display="none";
			encoreboxitemsdiv.style.display="none";
			culturalboxitemsdiv.style.display="none";
			extraitemsdiv.style.display="none";
			var arr_aboxitemsdiv = document.getElementById('arr_aboxitemsdiv');
			var arr_bboxitemsdiv = document.getElementById('arr_bboxitemsdiv');
			var arr_cboxitemsdiv = document.getElementById('arr_cboxitemsdiv');
			var arr_dboxitemsdiv = document.getElementById('arr_dboxitemsdiv');
			var arr_eboxitemsdiv = document.getElementById('arr_eboxitemsdiv');
			var arr_sportboxitemsdiv = document.getElementById('arr_sportboxitemsdiv');
			var arr_encoreboxitemsdiv = document.getElementById('arr_encoreboxitemsdiv');
			var arr_culturalboxitemsdiv = document.getElementById('arr_culturalboxitemsdiv');
			var arr_extraitemsdiv = document.getElementById('arr_extraitemsdiv');
	   		arr_aboxitemsdiv.style.visibility="hidden";
			arr_bboxitemsdiv.style.visibility="hidden";
			arr_cboxitemsdiv.style.visibility="hidden";
			arr_dboxitemsdiv.style.visibility="hidden";
			arr_eboxitemsdiv.style.visibility="hidden";
			arr_sportboxitemsdiv.style.visibility="hidden";
			arr_encoreboxitemsdiv.style.visibility="hidden";
			arr_culturalboxitemsdiv.style.visibility="hidden";
			arr_extraitemsdiv.style.visibility="hidden";
			break;
			
	}

	// Show the selected category and its arrow.
	var arr_selecteddiv = document.getElementById('arr_' + cattitle + 'div');
	arr_selecteddiv.style.visibility="visible";

	var selecteddiv = document.getElementById(cattitle + 'div');
	selecteddiv.style.display="inline";
		
}