document.onload = ClickThrough();

function ClickThrough()
{

    /* set the cookie on first visit */
	var frmName = 'ContactDetails';
    var src = queryString('utm_source');
    var kw = queryString('utm_campaign');

    if((src != "false") && (kw != "false"))
    {
        SetCookie('ClickThrough', src + '&' + kw, '20', '/', '', '');
    }
    
    var myForm = new String(frmName);

    if(myForm.length > 0)
    {

        /* if a form exists the add the items */
        if(document.getElementById(myForm))
       {
            if(GetCookie('ClickThrough'))
            {
                var src = GetCookie('ClickThrough').split('&')[0]; /* Source value */
                var kw = GetCookie('ClickThrough').split('&')[1]; /* Kw Value */
        
                var newHiddenInputSource = document.createElement('input');
                newHiddenInputSource.setAttribute('type','hidden');
                newHiddenInputSource.setAttribute('id','Contact0Leadsource');
                newHiddenInputSource.setAttribute('name','Contact0Leadsource');
                newHiddenInputSource.setAttribute('value',src);

                var newHiddenInputKw = document.createElement('input');
                newHiddenInputKw.setAttribute('type','hidden');
                newHiddenInputKw.setAttribute('id','Contact0_LeadKeywordBanner');
                newHiddenInputKw.setAttribute('name','Contact0_LeadKeywordBanner');
                newHiddenInputKw.setAttribute('value',kw);

                document.getElementById(myForm).insertBefore(newHiddenInputSource, null);
                document.getElementById(myForm).insertBefore(newHiddenInputKw, null);
            }
        }  
    }
}




/* ********************************************* */
/*  Public Methods                               */
/* ********************************************* */

function queryString(key)
{
    var page = new PageQuery(window.location.search); 
    return unescape(page.getValue(key)); 
}

function displayItem(key)
{
    if(queryString(key)=='false') 
    {
        document.write("you didn't enter a ?name=value querystring item.");
    }
    else
    {
        document.write(queryString(key));
    }
}






/* ********************************************* */
/*  Leave Alone Cookie Stuff                     */
/* ********************************************* */

function SetCookie(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;
        expires = expires * 1000 * 60;
    }
    
    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" : "");
}

// with this test document.cookie.indexOf( name + "=" );
function GetCookie(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;
	}
}

// this deletes the cookie when called
function DeleteCookie(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";
    }
}

/* ********************************************* */
/*  Leave Alone Query Stuff                      */
/* ********************************************* */

function PageQuery(q)
{
    if(q.length > 1)
    {
        this.q = q.substring(1, q.length);
    }
    else this.q = null;
    {
        this.keyValuePairs = new Array();
    }
    
    if(q)
    {
        for(var i=0; i < this.q.split("&").length; i++)
        {
            this.keyValuePairs[i] = this.q.split("&")[i];
        }
    }
    
    this.getKeyValuePairs = function() { return this.keyValuePairs; }
    this.getValue = function(s) {
        for(var j=0; j < this.keyValuePairs.length; j++)
        {
            if(this.keyValuePairs[j].split("=")[0] == s)
            return this.keyValuePairs[j].split("=")[1];
        }
        return false;
    }
    
    this.getParameters = function() {
        var a = new Array(this.getLength());
        for(var j=0; j < this.keyValuePairs.length; j++)
        {
            a[j] = this.keyValuePairs[j].split("=")[0];
        }
        return a;
    }
    
    this.getLength = function() { return this.keyValuePairs.length; } 
}