var pagenum = 1;
var itemnum = 13;


function showPage(pageno)
{
currpage = pageno;
for (var y = 1; y <= pagenum; y++)
   {
	document.getElementById("rdp" + y).style.display = "none";
   }
document.getElementById("rdp" + pageno).style.display = "block";

for (var y = 1; y <= itemnum; y++)
   {
	document.getElementById("series" + y).style.display = "none";
   }

}

function nextPage()
{
	if(currpage < pagenum)
	{
	currpage = currpage + 1;
    showPage(currpage);
	}

}

function prevPage()
{
	if(currpage != 1)
	{
	currpage = currpage - 1;
    showPage(currpage);
	}

}

function showSeries(seriesno)
{
	
for (var y = 1; y <= itemnum; y++)
   {
	document.getElementById("series" + y).style.display = "none";
   }
document.getElementById("preContent").style.display = "none";
document.getElementById("series" + seriesno).style.display = "table";

}