//---------------------------------------------------------------------//

//abre ventane de popup
function openPopup(ventana){
		var ww = window.screen.width;
		var wh = window.screen.height;
		var nww = 500;
		var nwh = 500;
        var posL = (ww/2) - (nww/2);
		var posR = (wh/2) - (nwh/2);
		window.open(ventana,'','width=400, height=400, resizable=no, scrollbars=yes, status=no, left=' + posL +',top=' + posR +" ' " );
}
//---------------------------------------------------------------------//
//cierra ventana popup
function cerrarVentana(){
	window.close();
}

//---------------------------------------------------------------------//