var win = null;

function NewWindow( mypage, w, h )
{
    win = window.open(mypage, "_blank" , "location=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=" + w + ",height=" + h + ",left=50,top=50" );

    if(win.window.focus)
        win.window.focus();
}