var win= null;

function NewWindow(mypage,myname,w,h,scroll,toolbar){

var winl = (screen.width-w)/2;

var wint = (screen.height-h)/2;

var settings ='height='+h+',';

settings +='width='+w+',';

settings +='top='+wint+',';

settings +='left='+winl+',';

settings +='scrollbars='+scroll+',';

settings +='toolbar='+toolbar+',';

settings +='resizable=yes';

win=window.open(mypage,myname,settings);

if(parseInt(navigator.appVersion) >= 4){win.window.focus();}

}