function getAreaStr(param)
{
	var strArea = "";
	
	switch(param) {
		case "ep":
		strArea = "extra_portale";
		break;       
		case "ap":   
		strArea = "auto_promo";
		break;       
		case "go":   
		strArea = "google";
		break;       
		case "ov":   
		strArea = "overture";
		break;       
		case "za":   
		strArea = "zanox";
		break;       
		case "td":   
		strArea = "tradedoubler";
		break;       
		case "ph":   
		strArea = "portale_homepage";
		break;       
		case "pa":   
		strArea = "portale_assistenza";
		break;     
		case "dt":
		strArea = "dem_tiscali";
		break; 
		case "fw":
		strArea = "footer_webmail";
		break;
		default:     
		strArea = "PULL";
	}
	
	var path = window.location.pathname;
	var newpath = "/" + strArea  + path;
	return newpath;
}

function trackArea()
{	
   	var a = getAreaCookie();
    a = getAreaStr(a);
    return a;
}

function getAreaCookie()
{
    var dc = document.cookie;
    var prefix = "area=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}