var popWin = null 

var winCount = 0

var winName = "popWin"



function open_win(page,w,h,scrl)

        {

        winName = "popWin" + winCount++

        closePopWin()

        $options="status=no,resizable=yes,scrollbars="+scrl+",menubar=no,toolbar=no,location=no,width="+w+",height="+h;

        popWin = window.open(page,"popWin" + winCount++,$options);

        }



function closePopWin()

        {

        if (navigator.appName != "Microsoft Internet Explorer" || parseInt(navigator.appVersion) >=4) //do not close if early IE

        if(popWin != null) if(!popWin.closed) popWin.close() 

        }