var win= null; 
function NewWindow(mypage,myname,w,h,scroll){ 
var winl = (screen.width-w)/2; 
var wint = (screen.height-h)/2; 
settings='height='+h+',width='+w+',top='+wint+',left='+10+',scrollbars=yes,toolbar=no,location=no,status=no,menubar=no,resizable=no,dependent=no' 
win=window.open(mypage,myname,settings) 
if(parseInt(navigator.appVersion) >= 4){win.window.focus();} 
}