var win = null;

function NewWindow2(mypage,myname,w,h,scroll,scale,menubar){
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings =
'height='+h+',width='+w+',top=0,left=0,scrollbars='+scroll+',resizable='+scale+', menubar='+menubar+''
win = window.open(mypage,myname,settings)

}