function centerw(caminho, wname, w, h, param)	{
    windowW = w + 1;
	windowH = h + 1;
	windowX = (screen.width / 2) - (windowW / 2)
	windowY = (screen.height / 2) -(windowH / 2)
	x = window.open(caminho, wname, "width = " + w + ", height = " + h + ", top = " + windowY + ", left = " + windowX + ", " + param)
	x.focus()
}
function tra_VersaoImpressao(clt, lng, nti) {
	centerw("usr.nov.trab.view.php?lng=" + lng + "&clt=" + clt + "&js=1&id_tra=" + nti + "&print=1", "VersaoImpressao", 550, 500, "scrollbars = 1, resizeable = 0")
}