function targetopener(mylink, closeme, closeonly)
{
if (! (window.focus && window.opener))return true;
window.opener.focus();
if (! closeonly)window.opener.location.href=mylink.href;
if (closeme)window.close();
return false;
}


function rolloverImage(cellName, imageName)
    {
     if(document.images)
       {
        document[cellName].src = imageName;
       }
    }

var popWin = null
var winCount = 0
var winName = "popWin"
function openPopWin(winURL, winWidth, winHeight, winFeatures, winLeft, winTop){
  var d_winLeft = 20
  var d_winTop = 20
  winName = "popWin" + winCount++
  closePopWin()
  if (openPopWin.arguments.length >= 4)
    winFeatures = "," + winFeatures
  else
    winFeatures = ""
  if (openPopWin.arguments.length == 6)
    winFeatures += getLocation(winWidth, winHeight, winLeft, winTop)
  else
    winFeatures += getLocation(winWidth, winHeight, d_winLeft, d_winTop)
  popWin = window.open(winURL, winName, "width=" + winWidth
           + ",height=" + winHeight + winFeatures)
  }
function closePopWin(){
  if (navigator.appName != "Microsoft Internet Explorer"
      || parseInt(navigator.appVersion) >=4)
    if(popWin != null) if(!popWin.closed) popWin.close()
  }
function getLocation(winWidth, winHeight, winLeft, winTop){
  return ""
  }


function getLocation(winWidth, winHeight, winLeft, winTop){
  var winLocation = ""
  if (winLeft < 0)
    winLeft = screen.width - winWidth + winLeft
  if (winTop < 0)
    winTop = screen.height - winHeight + winTop
  if (winTop == "cen")
    winTop = (screen.height - winHeight)/2 - 20
  if (winLeft == "cen")
    winLeft = (screen.width - winWidth)/2
  if (winLeft>0 & winTop>0)
    winLocation =  ",screenX=" + winLeft + ",left=" + winLeft
                + ",screenY=" + winTop + ",top=" + winTop
  else
    winLocation = ""
  return winLocation
  }
