function AbrirPop(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) / 2
var wint = (screen.height - h) / 2
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars=yes,resizable=no,fullscreen=no',title='Janela Pop-up'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus() }
}