function AbrePop(p, w, h){	
	var PosEsq = (screen.width-w)/2;
	var PosTop = ((screen.height-h)/2)-(h/2);
	var Atributos = "scrollbars=no, status=yes, location=no, toolbar = no, menubar=no,";
	var NovaJanela = window.open(p, "pop", Atributos + "width="+w+", height="+h+", top="+PosTop+", left="+PosEsq);
	NovaJanela.focus();
}