var portfolioWindow = null
function openPortfolioWindow()
{
  // Check to make sure the window does not already exist
  if (!portfolioWindow || portfolioWindow.closed) 
  {
    portfolioWindow = window.open('','MiniWindow','toolbar=no,location=no,directories=no,copyhistory=0,scrollbars=yes,resizable=yes,height=400,width=400')
    portfolioWindow.focus()
  }
  else 
  {
    portfolioWindow.focus()
  }
  
}

var miniWindow = null
function openMiniWindow(nHeight, nWidth)
{
  // Check to make sure the window does not already exist
  if (!miniWindow || miniWindow.closed) 
  {
    miniWindow = window.open('','MiniWindow','status=no,toolbar=no,location=no,directories=no,copyhistory=0,scrollbars=yes,height=' + nHeight + ',width=' + nWidth + ',resizable=yes')
    miniWindow.focus()
  }
  else 
  {
    miniWindow.focus()
  }
  
}