function popup(URL){
  newwin=window.open(URL,"popup","toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=no,width=600,height=500,top=100,left=200");
}

if (document.images) {

m1_off = new Image();m1_off.src = 'images/m_chisiamo_off.gif';
m1_on = new Image();m1_on.src = 'images/m_chisiamo_on.gif';
m2_off = new Image();m2_off.src = 'images/m_missione_off.gif';
m2_on = new Image();m2_on.src = 'images/m_missione_on.gif';
m3_off = new Image();m3_off.src = 'images/m_risorse_off.gif';
m3_on = new Image();m3_on.src = 'images/m_risorse_on.gif';
m4_off = new Image();m4_off.src = 'images/m_formazione_off.gif';
m4_on = new Image();m4_on.src = 'images/m_formazione_on.gif';
m5_off = new Image();m5_off.src = 'images/m_coaching_off.gif';
m5_on = new Image();m5_on.src = 'images/m_coaching_on.gif';
m6_off = new Image();m6_off.src = 'images/m_referenze_off.gif';
m6_on = new Image();m6_on.src = 'images/m_referenze_on.gif';
m7_off = new Image();m7_off.src = 'images/m_contatti_off.gif';
m7_on = new Image();m7_on.src = 'images/m_contatti_on.gif';
m8_off = new Image();m8_off.src = 'images/m_link_off.gif';
m8_on = new Image();m8_on.src = 'images/m_link_on.gif';
}

function cambio(id,name){
  if (document.images) {document.images[id].src=eval(name+".src"); }
}


function spegni(){
  OnOffLayers('a1','hide');
  OnOffLayers('a2','hide');
  OnOffLayers('a3','hide');
  OnOffLayers('a4','hide');
  OnOffLayers('a5','hide');
  OnOffLayers('a6','hide');
  OnOffLayers('a7','hide');
  OnOffLayers('a8','hide');
}


function cercaObj(n) {
  var i,x;
  d=document;
  if(!(x=d[n])&&d.all) x=d.all[n];
  for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=cercaObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n);
  return x;
}

function OnOffLayers() {
  var i,v,obj;
  args=OnOffLayers.arguments;
  for (i=0; i<(args.length-1); i+=2)
  {
    if ((obj=cercaObj(args[i]))!=null) {
      v=args[i+1];
      if (obj.style) {
        obj=obj.style; if (v == 'show') v = 'visible'; if (v == 'hide') v = 'hidden';}
      obj.visibility=v; }
  }
}