var win1, win2 = null;
function TwoWindow(mypage,myname,h,w,scroll){
var mypage1 = mypage + 'P.html'
var mypage2 = mypage + 'N.html'
var myname1 = myname + 'P'
var myname2 = myname + 'N'
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings1 =
'height=500,width=500,top=0,left='+(LeftPosition-100)+',scrollbars='+scroll+',resizable'
settings2 =
'height='+h+',width='+w+',top='+(TopPosition)+',left='+(LeftPosition+50)+',scrollbars='+scroll+',resizable'
win1 = window.open(mypage1,myname1,settings1)
if(win1.window.focus){win1.window.focus();}
win2 = window.open(mypage2,myname2,settings2)
if(win2.window.focus){win2.window.focus();}
}