// JavaScript Document
function abrepopscroll(arquivo, largura, altura){
	alturascr = window.screen.availHeight;
	largurascr = window.screen.availWidth;
	
	pontoesq = parseInt(largurascr/2) - parseInt(largura/2);
	pontotop = parseInt(alturascr/2) - parseInt(altura/2);
	
	checkformw = window.open( arquivo, "a","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, menubar=no, width=" + largura + ", height=" + altura );
	checkformw.moveTo(pontoesq,pontotop);
	checkformw.focus;
}