/* The code in this script block may be placed external in a .js file. It should be included before the function "updatePhone()" is called */
jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');

	} else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};

function getQueryParams(qs) {
    qs = qs.split("+").join(" ");
    var params = {};
    var tokens;
	
	var i = 0;
    while (tokens = /[?&]?([^=]+)=([^&]*)/g.exec(qs)) {
        params[decodeURIComponent(tokens[1])] = decodeURIComponent(tokens[2]);
		i++;
		if (i > 50) { break;} // emergency brake in case of infinite loop
    }

    return params;
}

function updatePhone() {
	var getvars = getQueryParams(document.location.search);
	var patt = /(unison)|(myhome)|(boards)|(electric)|(digitize)|(ad2one)|(daft)|(yahoo)|(facebook)|(msn)|(etype)/i;
	if ((getvars["utm_source"] != undefined && getvars["utm_source"].match(patt))) {
		$.cookie('fromcampaign', getvars["utm_source"], {path: '/', expires: 30});
	}
	if ($.cookie('fromcampaign') && $.cookie('fromcampaign').match(patt)) {
		$("div.telephone h2").html("Call 1850 22 44 44");
	}
}