Takes parameters passed via URL and places them into Drupal 7 webform fields

urlParms.js

/* Author Note:
*  Captures URL parameters and inputs into Drupal webform
*  Used for PPC Landing Page marketing. Passing SourceId, Adid, KwId to converted leads and submiting to database with lead. 
*  URL Ussage http://www.domain.com/?sid=Adwords&cmid=CampainID&adgid=AdGroupID&adid=AdID&kwid=KeyworkID
*/

//Split apart URL and extract Parameters
var parseQueryString = function() {
    var str = window.location.search;
    var objURL = {};
    str.replace(
        new RegExp("([^?=&]+)(=([^&]*))?", "g"),
        function($0, $1, $2, $3) {
            objURL[$1] = $3;
        }
    );
    return objURL;
};

var params = parseQueryString();

//Takes KEY and VALUE from url and sets input value
function parmset(key) {
    value = params["" + key + ""];

    if (value === undefined) {
        $('input[title=' + key + ']').attr("value", '');
    } else {
        $('input[title=' + key + ']').attr("value", '' + value + '');
    };
};

function urlset(key) {
    value = params["" + key + ""];

    if (value === undefined) {
        $('input[title=' + key + ']').attr("value", '');
    } else {
        $('input[title=' + key + ']').attr("value", '' + value + '');
    };
};

// Fire URL Parm Functions
parmset('sid');
parmset('cmid');
parmset('adgid');
parmset('adid');
parmset('kwid');

/* Author Note:
*  Takes url Pathname (http://www.domain.com/pathname/) and places into Drupal 7 webform 'Category' field.
*  Used for a drupal 7 landing page framework to find which page converted the lead.
*/

//Grab Url Part and place in Category Field on Form
var newURL = window.location.protocol + "//" + window.location.host + "/" + window.location.pathname;
var pathArray = window.location.pathname.split('/');
var subpage = pathArray[1];

if (subpage === '') {} else {
    $('input[title=Category]').attr("value", '' + subpage + '');
};
});