function avisoLegal()
{
	URL = "avisolegal.aspx";
	Ancho = 400;
	Alto = 300;
	LeftPosition = (screen.width) ? (screen.width-Ancho)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-Alto)/2 : 0;
	var ventanaAviso;
	ventanaAviso=window.open(URL,"ventanaAviso","menubar=0,width="+ Ancho +",height="+ Alto +",top="+ TopPosition +",left="+ LeftPosition +",scrollbars=yes");
	ventanaAviso.focus();
}