function preloadCartine() {
	pic1 = new Image(); 
	pic1.src = "img/cartina.gif"; 
	pic2 = new Image(); 
	pic2.src = "img/champoluc.gif"; 
	pic3 = new Image(); 
	pic3.src = "img/cervinia.gif"; 
}


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

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function overMappa(p,idp,idps){
	/*
	 p=nome provincia corrente
	 idp=id provincia corrente
	 idps=id provincia eventualmente già attiva
	 */
	MM_swapImage('ValleDAosta','','IMG/cartina_'+p+'.gif',1);
	document.getElementById('voceLoc_'+idp).className='current';
	// spengo l'eventuale voce attiva se diversa da quella corrente
	if( idps != 0 && idps != idp )
		document.getElementById('voceLoc_'+idps).className='';
}

function outMappa(idp,idps){
	/*
	 idp=id provincia corrente
	 idps=id provincia eventualmente già attiva
	 */
	MM_swapImgRestore();
	document.getElementById('voceLoc_'+idp).className='';
	// riaccendo l'eventuale voce attiva
	if( idps != 0 )
		document.getElementById('voceLoc_'+idps).className='current';
}