<!--

 var popWin = null    // use this when referring to pop-up window

 var winCount = 0

 var winName = "popWin"

 function openPopWin(winURL, winWidth, winHeight, winFeatures, winLeft, winTop){

   var d_winLeft = 20  // default, pixels from screen left to window left

   var d_winTop = 20   // default, pixels from screen top to window top

   winName = "popWin" + winCount++ //unique name for each pop-up window

   closePopWin()           // close any previously opened pop-up window

   if (openPopWin.arguments.length >= 4)  // any additional features? 

	 winFeatures = "," + winFeatures

   else 

	 winFeatures = "" 

   if (openPopWin.arguments.length == 6)  // location specified

	 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(){    // close pop-up window if it is open 

   if (navigator.appName != "Microsoft Internet Explorer" 

	   || parseInt(navigator.appVersion) >=4) //do not close if early IE

	 if(popWin != null) if(!popWin.closed) popWin.close() 

   }

 function getLocation(winWidth, winHeight, winLeft, winTop){

   return ""

   }

 //-->