// JScript File
var Count = 0;
//document.getElementById("Book0").style.display="block";
 
//function for paging right bar
function ChangePicNext()
{
  if (Count!=NumberBooks-1)
  {
      Count = Count+1;
      for (i=0;i<NumberBooks;i++)
      {
        document.getElementById("Book"+i).style.display="none"
      }
      document.getElementById("Book"+Count).style.display="block";
   }
}
function ChangePicPrev()
{
  if (Count!=0)
  {
      Count = Count-1;
      for (i=0;i<NumberBooks;i++)
      {
        document.getElementById("Book"+i).style.display="none"
      }
      document.getElementById("Book"+Count).style.display="block";
  }
}