var img_a=new Array;
var img_s=new Array;
var img_on=new Array('logo','azienda','vini','mappa','press','foto','blog','link','email','sx','dx');
var cur_menu=0;
function nexturl(){
  if((document.images) && htm_next > "" ) document.location=htm_next;
}
function prevurl(){
  if((document.images) && htm_prev > "" ) document.location=htm_prev;
}

function Preload(){
  for(i=0; i<img_on.length; i++){
    img_a[i]=new Image;
    img_a[i].src="../img/" + img_on[i] + '.jpg';
    img_s[i]=new Image;
    img_s[i].src="../img/" + img_on[i] + '0.jpg';
  }
}

function imgOn(n){
  if((document.images) && cur_menu !=n) document.images['ico' + n].src=img_a[n].src
}

function imgOff(n){
  if((document.images) && cur_menu !=n) document.images['ico' + n].src=img_s[n].src
}