//  -------------------------------------------------
//  last update:2-mar-2006
//  some javascript function of general usage 
//  by marcello galli -mar-2005 
//  ---------------------------------------
//


function navbar(avanti,indietro,sopra)
{
//  makes a simple navigation bar  

  s=  '<HR>'
  s=s+'<CENTER><TABLE WIDTH="100%" >'
  s=s+'<TR>'
  s=s+'<TD ALIGN=justify DIR=rtl>'
  s=s+'<A HREF="'+indietro+'"><IMG SRC="indietro.gif" ALT="back" ALIGN=left WIDTH="14" HEIGHT="14"></A>'
  s=s+'<TD ALIGN=center >'
  s=s+'<A HREF="'+sopra+'"><IMG SRC="insu.gif" ALT="index" ALIGN=center WIDTH="14" HEIGHT="14"></A>'
  s=s+'<TD ALIGN=right>'
  s=s+'<A HREF="'+avanti+'"><IMG SRC="continua.gif" ALT="forward" ALIGN=right WIDTH="14" HEIGHT="14"></A>'
  s=s+'</TABLE></CENTER>'
  s=s+'<HR>'

  document.write(s) 

}
function navbarlast(indietro,sopra)
{
//  makes a simple navigation bar  for the last page of a sequence

  s=  '<HR>'
  s=s+'<CENTER><TABLE WIDTH="100%" >'
  s=s+'<TR>'
  s=s+'<TD ALIGN=justify DIR=rtl>'
  s=s+'<A HREF="'+indietro+'"><IMG SRC="indietro.gif" ALT="back" ALIGN=left WIDTH="14" HEIGHT="14"></A>'
  s=s+'<TD ALIGN=center >'
  s=s+'<A HREF="'+sopra+'"><IMG SRC="insu.gif" ALT="index" ALIGN=center WIDTH="14" HEIGHT="14"></A>'
  s=s+'<TD ALIGN=right>'
  s=s+'<A HREF="#"><IMG SRC="nocontinua.gif" ALT="no_next_page" ALIGN=right WIDTH="14" HEIGHT="14"></A>'
  s=s+'</TABLE></CENTER>'
  s=s+'<HR>'

  document.write(s) 

}
function navbarfirst(avanti,sopra)
{
//  makes a simple navigation bar  for the first page of a sequence

  s=  '<HR>'
  s=s+'<CENTER><TABLE WIDTH="100%" >'
  s=s+'<TR>'
  s=s+'<TD ALIGN=justify DIR=rtl>'
  s=s+'<A HREF="#"><IMG SRC="noindietro.gif" ALT="no back page" ALIGN=left WIDTH="14" HEIGHT="14"></A>'
  s=s+'<TD ALIGN=center >'
  s=s+'<A HREF="'+sopra+'"><IMG SRC="insu.gif" ALT="index" ALIGN=center WIDTH="14" HEIGHT="14"></A>'
  s=s+'<TD ALIGN=right>'
  s=s+'<A HREF="'+avanti+'"><IMG SRC="continua.gif" ALT="forward" ALIGN=right WIDTH="14" HEIGHT="14"></A>'
  s=s+'</TABLE></CENTER>'
  s=s+'<HR>'

  document.write(s) 

}
function navbarup(sopra)
{
//  makes a simple navigation bar  for the unique page of a one-page sequence

  s=  '<HR>'
  s=s+'<CENTER><TABLE WIDTH="100%" >'
  s=s+'<TR>'
  s=s+'<TD ALIGN=justify DIR=rtl>'
  s=s+'<A HREF="#"><IMG SRC="noindietro.gif" ALT="no back page" ALIGN=left WIDTH="14" HEIGHT="14"></A>'
  s=s+'<TD ALIGN=center >'
  s=s+'<A HREF="'+sopra+'"><IMG SRC="insu.gif" ALT="index" ALIGN=center WIDTH="14" HEIGHT="14"></A>'
  s=s+'<TD ALIGN=right>'
  s=s+'<A HREF="#"><IMG SRC="nocontinua.gif" ALT="no_next_page" ALIGN=right WIDTH="14" HEIGHT="14"></A>'
  s=s+'</TABLE></CENTER>'
  s=s+'<HR>'

  document.write(s) 

}
function popup(filehtml,nome)
{
//  apre una finestra grande, di nome: nome, con dentro filehtml,
 
 var stringa="resizable=yes,scrollbars=yes,alwaisRaised,toolbar=no,titlebar=no,status=yes,personalbar=no,menubar=no,location=no,width=600,height=500,screenX=0,screenY=0"
 
 var ww = window.open(filehtml,nome,stringa);
 ww.focus() ;                             
 return ww ;  

}
 
function footer(lastupdata)
{
//    mette, in fondo, il nome dell'autore, la data di ultimo aggiornamento
//    e la url della pagina

  s=  ' '

  s=s+'<TABLE WIDTH="100%">'

  s=s+'<TR>'  
  s=s+'<TD ALIGN="left" >'
 
  s=s+'<SMALL><CITE>'
  s=s+' Appunti di informatica'
  s=s+'<BR> &copy;<A HREF="mailto:marcello.galli@bologna.enea.it"> Marcello Galli</A> - marzo 2006 '
  s=s+'<BR>Last update: '+lastupdata  
  s=s+'</CITE></SMALL>'
 
  s=s+'<TD ALIGN="right">'
  s=s+'<SMALL><CITE>'  
  s=s+ document.URL; 
  s=s+'</CITE></SMALL>'

  s=s+'</TABLE></CENTER>'
  s=s+'<HR>'

  document.write(s) 

}

