function reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.pgW=innerWidth; document.pgH=innerHeight; onresize=reloadPage; }}
  else if (innerWidth!=document.pgW || innerHeight!=document.pgH) location.reload();
}
reloadPage(true);
// -->

function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}
//

function clean ()
{
  if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt (0)<'5'))
  {
  window.document.b.visibility="hide";
  window.document.m1.visibility="hide";
  window.document.m2.visibility="hide";
  window.document.m3.visibility="hide";
  return;
  }
 if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");
    }
 layers[0].style.visibility='hidden'; 
 layers[2].style.visibility='hidden';
 layers[4].style.visibility='hidden';
 layers[6].style.visibility='hidden';
 return;
}

function menu (i)
{

switch(i)
 {
  case 1:
   {
    if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
      window.document.b.visibility="show";
      window.document.m1.visibility="show";
      window.document.m2.visibility="hide";
      window.document.m3.visibility="hide"; 
     return;
     }
    if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");
    }
    layers[0].style.visibility='visible'; 
    layers[2].style.visibility='visible';
    layers[4].style.visibility='hidden';
    layers[6].style.visibility='hidden';
    return;
   }
  case 2:
   {
    if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
     window.document.b.visibility="show";
     window.document.m1.visibility="hide";
     window.document.m2.visibility="show";
     window.document.m3.visibility="hide";
     return;
     }
    if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");
    }
    layers[0].style.visibility='visible';
    layers[2].style.visibility='hidden';
    layers[4].style.visibility='visible';
    layers[6].style.visibility='hidden';
    return;
   }
  case 3:
   {
    if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
     window.document.b.visibility="show";
     window.document.m1.visibility="hide";
     window.document.m2.visibility="hide";
     window.document.m3.visibility="show";
     return;
     }
    if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");
    }
    layers[0].style.visibility='visible';
    layers[2].style.visibility='hidden';
    layers[4].style.visibility='hidden';
    layers[6].style.visibility='visible';
    return;
   }
 }

}