var jscript;

  if ( (navigator.userAgent.indexOf("a/3",6) == -1) &&
       (navigator.userAgent.indexOf("a/4",6) == -1) ) {
    jscript = 0;
  }
  else    {
  jscript = 1;
  }

  if ( jscript ) {
    
alt0 = new Image();
alt0.src = "images/logo.gif";

alt1 = new Image();
alt1.src = "images/foto_camping.gif";

alt2 = new Image();
alt2.src = "images/foto_camere.gif";

alt3 = new Image();
alt3.src = "images/foto_mare.gif";

alt4 = new Image();
alt4.src = "images/foto_dovesiamo.gif";

alt5 = new Image();
alt5.src = "images/foto_prezzi.gif";

alt6 = new Image();
alt6.src = "images/foto_prenota.gif";

graphic1= new Image();
graphic1.src = "images/camping.gif";
graphic1on = new Image();
graphic1on.src = "images/camping_over.gif";

graphic2= new Image();
graphic2.src = "images/camere.gif";
graphic2on = new Image();
graphic2on.src = "images/camere_over.gif";

graphic3= new Image();
graphic3.src = "images/mare.gif";
graphic3on = new Image();
graphic3on.src = "images/mare_over.gif";

graphic4= new Image();
graphic4.src = "images/dovesiamo.gif";
graphic4on = new Image();
graphic4on.src = "images/dovesiamo_over.gif";

graphic5= new Image();
graphic5.src = "images/prezzi.gif";
graphic5on = new Image();
graphic5on.src = "images/prezzi_over.gif";

graphic6= new Image();
graphic6.src = "images/prenotaonline.gif";
graphic6on = new Image();
graphic6on.src = "images/prenotaonline_over.gif";

}
function imageChange(imageID,imageName,imageID2,imageName2) {

 if ( jscript ) {

document.images[imageID].src = eval(imageName + ".src");
document.images[imageID2].src = eval(imageName2 + ".src");
}
}