function getParameter (parameterName ) {

	var queryString = window.top.location.search.substring(1);
   // Add "=" to the parameter name (i.e. parameterName=value)
   var parameterName = parameterName + "=";
   if ( queryString.length > 0 ) {
      // Find the beginning of the string
      begin = queryString.indexOf ( parameterName );
      // If the parameter name is not found, skip it, otherwise return the value
      if ( begin != -1 ) {
         // Add the length (integer) to the beginning
         begin += parameterName.length;
         // Multiple parameters are separated by the "&" sign
         end = queryString.indexOf ( "&" , begin );
      if ( end == -1 ) {
         end = queryString.length
      }
      // Return the string
      return unescape ( queryString.substring ( begin, end ) );
   }
   // Return "null" if no parameter has been found
   return "null";
   }
}

function changeLang(la){
	if(la == -1)
	return;
	else{
		createCookie("lang",la,1);
		var page = getURL();
		
		var sepr =page.lastIndexOf("_");
		if(sepr <= 0)
		sepr =  page.lastIndexOf(".")
												  
												  
		if(la != "it"){
			navigate(page.substring(0, sepr) + "_" + la + ".asp");
		}
		else
			navigate(page.substring(0, sepr ) + ".asp");
	}
}


function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function navigate(url){
	createCookie("activePage",url,1);
	createCookie("activeChild","",1);
	location.href = url;
}

function navigateChild(url){
	createCookie("activeChild",url,1);
	location.href = url;
}


 function setActiveStyleSheet(title) {
       var i, a, main;
       for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
         if(a.getAttribute("rel").indexOf("style") != -1
            && a.getAttribute("title")) {
           a.disabled = true;
           if(a.getAttribute("title") == title) a.disabled = false;
         }
       }
    }
	
	function getURL(){
		var url = window.location.href;
		var ps = url.indexOf("?");
		if(ps > 0)
		url = url.substring(0, ps);
		var l = url.lastIndexOf("/")
		if(l < 8 || l+1 == url.length)
		return "index.asp";
		else
		return url.substring(l+1, url.length);
	}
	
	
	/**
	*changes the className rollover
	*/
	function rollover(el){
		if(el.className.indexOf("On") <= 0){
			el.className = el.className + "On";
		}
		else{
			el.className = el.className.substring(0, el.className.indexOf("On"));
		}
		
		if(!el.onmouseout){
			el.onmouseout = function(){
				rollover(this);
			};
		}
	}
	
	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_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];}
}