<!--

// detect browser e piattaforma

var agt=navigator.userAgent.toLowerCase();

// versione
var is_major = parseInt(navigator.appVersion);
var is_minor = parseFloat(navigator.appVersion);

// piattaforma
var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
var is_mac    = (agt.indexOf("mac")!=-1);

// Netscape Navigator
var is_ns  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
	          && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
	          && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
var is_ns4 = (is_ns && (is_major == 4));
var is_ns6up = (is_ns && (is_major >= 5));

// Internet Explorer
var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
var is_ie3    = (is_ie && (is_major < 4));
var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
var is_ie4up  = (is_ie && (is_major >= 4));
var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);

// Opera
var is_opera = (agt.indexOf("opera") != -1);
var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);

// Safari
var is_safari = (agt.indexOf("safari") != -1);

// funzioni comuni

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_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 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_showHideLayers() {
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_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 MM_setTextOfLayer(objName,x,newText) { //v4.01
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}

// gestione cookie

function getCookie(NameOfCookie)
{
	if (document.cookie.length > 0)
	{
		begin = document.cookie.indexOf(NameOfCookie+"=");
		if (begin != -1)
		{
			begin += NameOfCookie.length+1;
			end = document.cookie.indexOf(";", begin);
			if (end == -1) end = document.cookie.length;
			return unescape(document.cookie.substring(begin, end));
		}
	}
	return null;
}

function setCookie(NameOfCookie, value, expiredays)
{
	var ExpireDate = new Date ();
	ExpireDate.setTime(ExpireDate.getTime() + (expiredays * 24 * 3600 * 1000));
	document.cookie = NameOfCookie + "=" + escape(value) + ((expiredays == null) ? "" : "; expires=" + ExpireDate.toGMTString()) + "; path=/;";
}

function delCookie (NameOfCookie)
{
	if (getCookie(NameOfCookie))
	{
		document.cookie = NameOfCookie + "=" +
		"; expires=Thu, 01-Jan-70 00:00:01 GMT";
	}
}

// gestione block-swap

var HasRealPlayer;
if ( is_mac ) HasRealPlayer = false;

function getBlockRef(objid)
{
	// block swap disattivato su mac
	// con video
	if ( is_mac && HasRealPlayer ) return null;
		
	if ( is_ie4 )
		return document.all[objid];
	else if ( !is_ns4 )
		return document.getElementById(objid);
	else
		return null;
}


function blockOn(elementid, classname)
{
	var obj = getBlockRef(elementid);
	var crs = "pointer";
	if ( is_ie ) crs="hand";
	if ( !classname ) classname = "sectionbackgroundover";

	if ( obj!=null )
	{
		obj.className=classname;
		obj.style.cursor=crs;
	}
}

function blockOff(elementid)
{
	var obj = getBlockRef(elementid);
	if ( obj!=null ) obj.className="";
}

function blockClick(url)
{
	document.location = url;
}

// gestione posizionamento layer

function initLayerStyles(documentobj, prefix, layercount, width, height, top, left)
{
	if ( !top ) top=0;
	if ( !left ) left=0;
	var h="";
	h+="<style><!--" +
		"#" + prefix + "outer {position:relative; width: " + width + "px; height: " + height + "px;}\n";
	for ( var i=0;i<layercount;i++ )
	{
		h+= "#" + prefix + i + " {position:absolute; border: 0px; width:" + ( width-left)  + "px; height:" + (height-top) + "px; top:" + top + "px; left:" + left + "px; " +
			" visibility: " + ( (i==0) ? "visible" : "hidden" ) + "}\n";
	}
	h+="//--></style>";
	documentobj.write(h);
}

// routine per text splitting

function splitText ( text, charsperline, linesperpage )
{
	//-------------------------------------------------
	// step 1
	// nascondi spazi bianchi all'interno dei tag
	//-------------------------------------------------
	var charr = new Array();
	var rpl = false;
	for ( var i=0;i<text.length;i++ )
	{
		var ch = text.charAt(i);
		if ( ch=="<" )
		{
			ch=" <";
			rpl = !rpl;
		}
		if ( ch==">" )
		{
			ch="> ";
			rpl = !rpl;
		}

		if ( ch == " " && rpl ) ch = "§";
		charr[i] = ch;
	}
	var ptext = charr.join("");
	//-------------------------------------------------

	//-------------------------------------------------
	// step 2
	// split in righe e pagine
	//-------------------------------------------------

	// split in righe
	var linearr = new Array();
	var wordsarr = ptext.split(" ");
	var line = "";
	var charcount=0;
	for ( var i=0;i<wordsarr.length;i++ )
	{
		var length2add = wordsarr[i].length + 1;

		if ( wordsarr[i].length>0 && ( wordsarr[i].charAt(0) == "<" || wordsarr[i].charAt(wordsarr[i].length-1) == ">" ) )
		{
			length2add = 0;
			wordsarr[i] = wordsarr[i].replace(/§/gi," ");
		}

		if ( ( charcount + length2add )<= charsperline && wordsarr[i].toLowerCase().indexOf("<br>")==-1 )
		{
			if ( line!="" ) line+=" ";
			line+=wordsarr[i];
			charcount+=length2add;
		}
		else
		{
			linearr[linearr.length]=line+"";
			line=wordsarr[i];
			charcount=line.length;
		}
	}
	linearr[linearr.length]=line;

	// split in pagine
	var pagearr = new Array();
	var pagecounter=0;
	for ( var i=0;i<linearr.length;i++ )
	{
		if ( pagecounter==0 || pagecounter-linesperpage==0 )
		{
			pagearr[pagearr.length]="";
			pagecounter=0;
		}

		if ( pagearr[pagearr.length-1]!="" ) pagearr[pagearr.length-1]+=" ";
			pagearr[pagearr.length-1]+=linearr[i];
		pagecounter++;
	}
	//-------------------------------------------------

	return pagearr;
}

//-->