ns4 = (document.layers)? true:false
ie4 = (document.all)? true:false

cont = new Array(4)
cont[0] = 0
cont[1] = 0
cont[2] = 0
cont[3] = 0



function menu(id){
		 
		   if (ns4) {
		
		document.layers[id].visibility = "show"
       }
	    else if (ie4) {
		
		document.all[id].style.visibility = "visible"
		}

}

function trova(id){
	if (cont[0] == 0)
	     {cont[0] = 1
		mostra(id)
		omni_swap('','','',0)
}
	else
	{ cont[0] = 0
		nascondi (id)
		omni_swaprestore()
		}
}

function mostra(id){
	 if (ns4) {
		document.layers[id].visibility = "show"
       }
	    else if (ie4) {
		document.all[id].style.visibility = "visible"
		}
		}


function nascondi(id){
	 if (ns4) {
		document.layers[id].visibility = "hide"
       }
	    else if (ie4) {
		document.all[id].style.visibility = "hidden"
		}
		} 


function omni_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


function omni_findObj(n, d) { //v3.0
  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=omni_findObj(n,d.layers[i].document); return x;
}

function omni_showhidelayers() { //v3.0
		
  var i,p,v,obj,args=omni_showhidelayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=omni_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

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


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

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

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

function omni_setTextOfLayer(objName,x,newText) { //v3.0
  if ((obj=omni_findObj(objName))!=null) with (obj)
    if (navigator.appName=='Netscape') {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}