function janela(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='+scroll+',resizable=no,status=no'
	win = window.open(mypage, myname, winprops)
	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}

function abreImagem(tmp_img, tmp_tipo) {
	janela('../inc/inc.imagem.php?img='+tmp_img+'&tipo='+tmp_tipo, 'Imagem', 640, 480, 'no');
}