var lea_param_name = 'lea_source';
lea_param_name = lea_param_name.replace(/[\[]/, '\[').replace(/[\]]/, '\]');
var lea_regex = new RegExp('[\?&]' + lea_param_name + '=([^&#]*)');
if(lea_regex.exec(location.search) != null) {
	var lea_results = lea_regex.exec(location.search);
} else {
	var lea_results = lea_regex.exec(location.hash);
}
var lea_sid = lea_results === null ? '' : decodeURIComponent(lea_results[1].replace(/\+/g, ' '));