function clicky_getDomain(url) {
    var i = url.indexOf("://");
    if (i == -1) {
        return "";
    }
    
    url = url.substring(i + 3, url.length);
    i = url.indexOf("/");
    if (i != -1) {
        url = url.substring(0, i);
    }
    return url;
}

function clicky_handleError() {    
    return true;
}

function clicky_report_onclick(ev) {
    var oldonerror = window.onerror;
    window.onerror = clicky_handleError;
    clicky_report_onclick_inner(ev);    
    window.onerror = oldonerror;
}

var cnt = 0;
function clicky_report_onclick_inner(ev) {
    var url;
    var target;

    if(ev) {
        target = ev.target;
    }
    else {
        target = window.event.srcElement;
    }

    for (var i=0; target && i<=20; i++) {        
        if(target.href) {
            break;
        }
        target = target.parentNode;
    }

    if (target && target.href) {
        url = target.href;        
    }

    if (!url || typeof(url) != 'string' || url == "") {
        return;
    }

    var currentDomain = clicky_getDomain("" + window.location);
    var currentBaseDomain = currentDomain;
    
    if (currentBaseDomain.indexOf("www.") == 0) {        
        currentBaseDomain = currentBaseDomain.substring(3, currentBaseDomain.length);
    }

    var expressionStr = "(\\w+[.])*(" + currentBaseDomain + ")$";
    var regex = new RegExp(expressionStr, "i");
    if (clicky_getDomain(url) != "" && !clicky_getDomain(url).match(regex) && trk_src != "")
        callHandler("http://" + currentDomain + "/ERA/Handlers/Outbound.ashx?link=" + escape(url) + "&src=" + trk_src + "&page=" + png_src + "&cnt=" + cnt++);
}

document.body.onclick = clicky_report_onclick;
document.body.oncontextmenu = clicky_report_onclick;

function addListener(event, fn)
{
 if (typeof window.addEventListener != 'undefined')
 {
   window.addEventListener(event, fn, false);
 }
 else if (typeof document.addEventListener != 'undefined')
 {
   document.addEventListener(event, fn, false);
 }
 else if (typeof window.attachEvent != 'undefined')
 {
   window.attachEvent('on' + event, fn);
 }
 else
 {
   var oldfn = window.onload;
   if (typeof window.onload != 'function')
   {
     window.onload = fn;
   }
   else
   {
     window.onload = function()
     {
       oldfn();
       fn();
     };
   }
 }
}

addListener('load', window_load)
addListener('unload', window_unload)

var pageId = null
var allowsCookies = checkCookies()

function window_load()
{
    if (allowsCookies)
    {
        // set up the hanlder so that we can cope with out login pages
        var oldonerror = window.onerror;
        window.onerror = clicky_handleError;    
        getIdFromHandler()
        window.onerror = oldonerror;
    }
}

function window_unload()
{
    if (allowsCookies && pageId != null)
    {
        //now need to store this somewhere
        callHandler("http://" + clicky_getDomain("" + window.location) + "/ERA/Handlers/TimeSpent.ashx?" + 
        "duration=" + "&pageId=" + pageId + visitorDetails());
    }
}

function visitorDetails()
{
    return "&visitor=" + get_Cookie("ERA_C1") + "&visit=" + get_Cookie("ERA_C2");
}

function callHandler(url)
{
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest)
    {
        req = new XMLHttpRequest();
        //this is set to false so it works with safari
        req.open("POST", url, false);
        req.send(url);
    }
    // branch for IE/Windows ActiveX version    
    else if (window.ActiveXObject)
    {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req)
        {
            req.open("POST", url, true);
            req.send();
        }
    }
}

function getIdFromHandler()
{
    var url = "http://" + clicky_getDomain("" + window.location) + "/ERA/Handlers/TimeSpent.ashx?" +
        "getId=" + visitorDetails()

    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest)
    {
        req = new XMLHttpRequest();
        req.open("POST", url, true);
        req.send(url);
        
        req.onreadystatechange = function()
        {
            if (req.readyState == 4)
            {
                pageId = req.responseText;
            }
        }
    }
    // branch for IE/Windows ActiveX version    
    else if (window.ActiveXObject)
    {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req)
        {
            req.open("POST", url, true);
            req.send();
            
            req.onreadystatechange = function()
            {
                if (req.readyState == 4)
                {
                    pageId = req.responseText;
                }
            }
        }
    }
}

function checkCookies()
{
    set_Cookie("cookieEnabled_Test", "Does this work?")
    var supported = get_Cookie ("cookieEnabled_Test") != null
    delete_Cookie("cookieEnabled_Test")  
    return supported
}

//Cookie stuff from http://techpatterns.com/downloads/scripts/javascript_cookies.txt
function get_Cookie( check_name )
{
	// first we'll split this cookie up into name/value pairs
	// note: document.cookie only returns name=value, not the other components
	var a_all_cookies = document.cookie.split( ';' );
	var a_temp_cookie = '';
	var cookie_name = '';
	var cookie_value = '';
	var b_cookie_found = false; // set boolean t/f default f
	
	for ( i = 0; i < a_all_cookies.length; i++ )
	{
		// now we'll split apart each name=value pair
		a_temp_cookie = a_all_cookies[i].split( '=' );
		
		// and trim left/right whitespace while we're at it
		cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');
	
		// if the extracted name matches passed check_name
		if ( cookie_name == check_name )
		{
			b_cookie_found = true;
			// we need to handle case where cookie has no value but exists (no = sign, that is):
			if ( a_temp_cookie.length > 1 )
			{
				cookie_value = unescape( a_temp_cookie[1].replace(/^\s+|\s+$/g, '') );
			}
			// note that in cases where cookie is initialized but no value, null is returned
			return cookie_value;
			break;
		}
		a_temp_cookie = null;
		cookie_name = '';
	}
	if ( !b_cookie_found ) 
	{
		return null;
	}
}

function set_Cookie( name, value, expires, path, domain, secure )
{
	// set time, it's in milliseconds
	var today = new Date();
	today.setTime( today.getTime() );
	// if the expires variable is set, make the correct expires time, the
	// current script below will set it for x number of days, to make it
	// for hours, delete * 24, for minutes, delete * 60 * 24
	if ( expires )
	{
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	
	document.cookie = name + "=" +escape( value ) +
		( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
		( ( path ) ? ";path=" + path : "" ) + 
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}

// this deletes the cookie when called
function delete_Cookie( name, path, domain )
{
	if ( get_Cookie( name ) )
	{
	    document.cookie = name + "=" +
		    ( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
	}
}