function VisMenu(visibility) {  //Posición del panel  var panel = (is_ie) ? self.menu.style : self.document.layers["menu"];  var bodyOffset = (is_ie) ? self.document.body.scrollTop : self.pageYOffset;  panel.top = bodyOffset+20;    //Mostrar el panel  MM_showHideLayers('menu','',visibility);}function abrir(htmlfile, wndWidth, wndHeight) {  var popWnd;  //Objeto ventana de popup  var maxWidth = screen.width-10;  var maxHeight = screen.height-56;  //Preprocesado de parámetros  if (wndHeight==0) wndHeight = maxHeight;  if (wndWidth==0) wndWidth = maxWidth;  //Calculo de la posición para centrar la ventana  var posX = maxWidth/2 - wndWidth/2;  var posY = maxHeight/2 - wndHeight;  //Postprocesado de la coordenada horizontal para más de 800x600  if(maxWidth >= 800) posX = -40;  //Ventana  if (popWnd) popWnd.close();  popWnd = open(htmlfile, '_blank', 'resizable=1,toolbar=0,scrollbars=0,location=0,directories=0,status=0,menubar=0,width='+wndWidth+',height='+wndHeight+',screenX=0,screenY=0,left='+posX+',top='+posY);  //this.blur();  popWnd.focus();}function hOnScroll(){  VisMenu('hide');}function hOnLoad(){  self.parent.completed = true;}self.onscroll = hOnScroll;self.onload = hOnLoad;//self.onUnload = desactivar;//function desactivar(){//	self.parent.leftFrame.cambiar("no");//}