function abreImagemPop(imageName, largura, altura) 
{
  	t = (screen.height - altura)/2;
  	l = (screen.width - largura)/2;
	newWindow = window.open("","newWindow","width="+largura+" ,height="+altura+",left="+l+",top="+t+",resizable=yes");
	newWindow.document.open();
	newWindow.document.write('<html><title>--|  Imagem  |--</title><head></head>');
	newWindow.document.write('<body background="'+imageName+'" bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginheight="0" marginwidth="0" onBlur="self.close()">');
	newWindow.document.write('</body></html>');
	newWindow.document.close();
	newWindow.focus();
}