infusionsoft lead source tracking modified

invision_lean_tracking_modified.js

/**
 *  @author:    Tyler Garns http://www.tylergarns.com/infusionsoft/infusionsoft-lead-source-tracking/)
 *  @modified:  20 Aug 2012
 *  @notes:     Free to use and distribute without altering this comment. Would appreciate a link back :)
 */
 
 
// Breaks cookie into an object of keypair cookie values
function crumbleCookie(c)
{
    var cookie_array = document.cookie.split(';');
    var keyvaluepair = {};
    for (var cookie = 0; cookie < cookie_array.length; cookie++)
    {
        var key = cookie_array[cookie].substring(0, cookie_array[cookie].indexOf('=')).trim();
        var value = cookie_array[cookie].substring(cookie_array[cookie].indexOf('=')+1, cookie_array[cookie].length).trim();
        keyvaluepair[key] = value;
    }
 
    if (c)
        return keyvaluepair[c] ? keyvaluepair[c] : null;
 
    return keyvaluepair;
}

/**
 *  Gets Affiliate Cookie if exist
 */
 
function get_cookie(Name) {
  var search = Name + "="
  var returnvalue = "";
  if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search)
    // if cookie exists
    if (offset != -1) { 
      offset += search.length
      // set index of beginning of value
      end = document.cookie.indexOf(";", offset);
      // set index of end of cookie value
      if (end == -1) end = document.cookie.length;
      returnvalue=unescape(document.cookie.substring(offset, end))
      }
   }
  return returnvalue;
}
 

/**
 *  For GA cookie explanation, see http://services.google.com/analytics/breeze/en/ga_cookies/index.html.
 *
 *  @return             -   <void>
 *
 *  @pre-condition      -   pageTracker initialised properly
 *  @post-condition     -   provides 'get' methods to access specific values in the Google Analytics cookies
 */
function gaCookies()
{
 
    // Cookie syntax: domain-hash.ftime.?.?.utmcsr=X|utmccn=X|utmcmd=X|utmctr=X
    var utmz = function() {
        var utmz_array, source, medium, name, term, content, gclid;
 
        if (crumbleCookie('__utmz'))
            utmz_array = crumbleCookie('__utmz').split('.');
        else
            return null;
 
        var utms = utmz_array[4].split('|');
        for (var i = 0; i < utms.length; i++) {
            var key = utms[i].substring(0, utms[i].indexOf('='));
            var val = decodeURIComponent(utms[i].substring(utms[i].indexOf('=')+1, utms[i].length));
            val = val.replace(/^\(|\)$/g, '');  // strip () brackets
            switch(key)
            {
                case 'utmcsr':
                    source = val;
                    break;
                case 'utmcmd':
                    medium = val;
                    break;
                case 'utmccn':
                    name = val;
                    break;
                case 'utmctr':
                    term = val;
                    break;
                case 'utmcct':
                    content = val;
                    break;
                case 'utmgclid':
                    gclid = val;
                    break;
            }
        }
				
        return {
            'cookie': utmz_array,
            'source': source,
            'medium': medium,
            'name': name,
            'term': term,
            'content': content,
            'gclid': gclid
        };
    };
 
    // Establish public methods
 
    // utmz cookies
    this.getCampaignSource = function () { return (utmz() && utmz().source) ? utmz().source : null };
    this.getCampaignMedium = function () { return (utmz() && utmz().medium) ? utmz().medium : null };
    this.getCampaignName = function () { return (utmz() && utmz().name) ? utmz().name : null };
    this.getCampaignTerm = function () { return (utmz() && utmz().term) ? utmz().term : null};
    this.getCampaignContent = function () { return (utmz() && utmz().content) ? utmz().content : null };
}



function getParameterByName(name)
{
  name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
  var regexS = "[\\?&]" + name + "=([^&#]*)";
  var regex = new RegExp(regexS);
  var results = regex.exec(window.location.search);
  if(results == null)
    return "";
  else
    return decodeURIComponent(results[1].replace(/\+/g, " "));
}

function getHiddenFields(te){
        var gac = new gaCookies();
        if (getParameterByName("_utmsource")) {
                var leadsource = getParameterByName("_utmsource");
		if (getParameterByName("_utm_campaign")) { leadsource = leadsource +  "-" + getParameterByName("_utm_campaign"); }
		if (getParameterByName("_utm_content")) { leadsource = leadsource + "-" + getParameterByName("_utm_content"); }
                var category = getParameterByName("_utm_medium");
                var term = getParameterByName("_utm_term");
	} else {
                var leadsource  = gac.getCampaignSource();
                if (gac.getCampaignName()) { leadsource = leadsource +  "-" + gac.getCampaignName(); }
                if (gac.getCampaignContent()) { leadsource = leadsource + "-" + gac.getCampaignContent(); }
                var category = gac.getCampaignMedium();
                var term = gac.getCampaignTerm();
	}
	

	if(leadsource == "Affiliate") {
			leadsource = leadsource + " - " + get_cookie("ifaffiliatecode");
	}
		
	jQuery('form').each(function(){

		//check if the form has hiddenfield 'inf_form_xid'
		if(this.inf_form_xid){
			// Set Leadsource field
			var input = document.createElement("input");
			input.setAttribute("type", "hidden");
			input.setAttribute("name", "inf_field_LeadSourceName");
			input.setAttribute("value", leadsource);
			this.appendChild(input);
			// Set LeadSource Category field
			if (category) { 
				var input = document.createElement("input");
				input.setAttribute("type", "hidden");
				input.setAttribute("name", "inf_field_LeadSourceCategoryName");
				input.setAttribute("value", category);
				this.appendChild(input);
			}
			// Set Term field
			var input = document.createElement("input");
			input.setAttribute("type", "hidden");
			input.setAttribute("name", "inf_custom"+te);
			input.setAttribute("value", term);
			this.appendChild(input);
		}
                //check if the form has hiddenfield 'infusion_xid'
                if(this.infusion_xid){
                        // Set Leadsource field
                        var input = document.createElement("input");
                        input.setAttribute("type", "hidden");
                        input.setAttribute("name", "Contact0Leadsource");
                        input.setAttribute("value", leadsource);
                        this.appendChild(input);
                        // Set Term field
			var input = document.createElement("input");
                        input.setAttribute("type", "hidden");
                        input.setAttribute("name", "Contact0"+te);
                        input.setAttribute("value", term);
                        this.appendChild(input);
                }
	});
}