_vsForceMDAPgID = '';

function printTLID() {
    if(isCookieSet('_vstl') && getCookie('_vstl') > 0){
        return getCookie('_vstl');
    }            
    else{
                    return 0;
                }
}
function setCookie(c_name,value,expiredays){
	var exdate=new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie=c_name+ "=" +escape(value)+
	((expiredays==null) ? "" : ";expires="+exdate.toGMTString())+
	";path=/"+
	";domain=" + _getDomain();
}
function _getDomain() {
	var d = document.domain;	
	if (d.substring(0,4)=="www.") {
		d=d.substring(4,d.length);
	}
	d=d.toLowerCase();
	return d;
}
function getCookie(c_name){
    if (document.cookie.length>0){
        c_start=document.cookie.indexOf(c_name + "=");
        if (c_start!=-1){
            c_start=c_start + c_name.length+1; 
            c_end=document.cookie.indexOf(";",c_start);
            if (c_end==-1) c_end=document.cookie.length;
            return unescape(document.cookie.substring(c_start,c_end));
        } 
    }
    return "";
}
function isCookieSet(cookieName){
	cookieVal = getCookie(cookieName);
	if (cookieVal != null && cookieVal != "")
	return true;

	return false;
}
function u_timestamp(){
    return parseInt(new Date().getTime().toString().substring(0, 10));
}
function _dummyVoid(){return;}

function isNewVisit(){
    return !isCookieSet('_vsvis');
}
function parseVisitorID(){
    return getCookie('_vsvis').split('.')[0];
}
function parseSessionNumber(){
	return parseInt(getCookie('_vsvis').split('.')[1]);
}
function updateVisitorCookie(visitorID,visitNumber){
    setCookie('_vsvis',visitorID + '.' + visitNumber ,365*5);
}
function generateVisitorID(){
    return hashString(uniqid());
}
function hashString(s) {
    if (!s || s=="") return 1;

	var h=0,g=0;
	for (var i=s.length-1;i>=0;i--) {
		var c=parseInt(s.charCodeAt(i));
		h=((h << 6) & 0xfffffff) + c + (c << 14);
		if ((g=h & 0xfe00000)!=0) h=(h ^ (g >> 21));
	}
	return h;
}
function uniqid(){
	var result, i, j;
	result = '';
	for(j=0; j<32; j++){
		if( j == 8 || j == 12|| j == 16|| j == 20)
		result = result;
            
		i = Math.floor(Math.random()*174174).toString(16).toUpperCase();
		result = result + i;
	}
	return result;
}

function GetVisitorIDFromDB(){
            return 0;
        }

function GetSPIDFromDB(){
                if(isCookieSet('_cpid')){
                return getCookie('_cpid');
            }
            else{
                return 0;
            }
            }
function trackPage(){		
	sourcePageID = GetSPIDFromDB();
	isReload = 0;
	_vstl = '93';

    try{
        if(_vssale)
        blah=1/0;
    }catch(e){_vssale=0;}
    
	if (sourcePageID == _vspg){
		sourcePageID = '';
		isReload=1;
	}
    
    var newvisitor = null;
    var visitorIDDB = GetVisitorIDFromDB();
	if (isNewVisit()) {
        newvisitor = 1;
        if(visitorIDDB == 0)
		visitorID = generateVisitorID();
        else
        visitorID = visitorIDDB;
        
        sessionNumber = 1;
        setCookie('_vstl',_vstl,750);
	}else{
		newvisitor = 2;
        if(visitorIDDB == 0)
		visitorID = parseVisitorID();
        else
        visitorID = visitorIDDB;
        
        sessionNumber = parseSessionNumber();
		setCookie('_vstl',_vstl,750);
	}
    
    vreferrer = null;
    if (document.referrer != '')
    vreferrer = document.referrer;
    else
    vreferrer = getCookie('_hrv');
    
	updateVisitorCookie(visitorID,sessionNumber);
	setCookie('_cpid',_vspg,365*5);
	var i=new Image(1,1);
    if(_vssale !=null){
	i.src='http://www.visiolo.com/visiolo.php?newvisitor=' + newvisitor + '&p=' + _vspg + '&vid=' + visitorID + '&spid=' + sourcePageID + '&vstl=' + getCookie('_vstl') + '&mdaPgID=' + _vsForceMDAPgID + '&isr=' + isReload + '&vssale=' + _vssale + '&referrer=' + vreferrer + '&url=' + document.location.href;
	}
	else{
	i.src='http://www.visiolo.com/visiolo.php?newvisitor=' + newvisitor + 'p=' + _vspg + '&vid=' + visitorID + '&spid=' + sourcePageID + '&vstl=' + getCookie('_vstl') + '&mdaPgID=' + _vsForceMDAPgID + '&isr=' + isReload + '&referrer=' + vreferrer + '&url=' + document.location.href;	
	}
	i.onload=function() { _dummyVoid(); }	
}
function _vsForceSrcPg(pgid){_vsForceMDAPgID = pgid;}
function forceSetPgID(pgid) {_vsForceSrcPg(pgid);}
var Url = {
	encode : function (string) {
		return escape(this._utf8_encode(string));
	},
	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";
		for (var n = 0; n < string.length; n++) {
			var c = string.charCodeAt(n);
			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}
		}
		return utftext;
	}
}