/*********************************************************************************************
File: 		common.js
Author:		Kris Felscher (kris@re-imaginations.com)
Date:		04/24/2007
Project:	talklikebobdylan.com
Description:
			Common Functions

Version History:
VERSION		DATE		AUTHOR			DESCRIPTION
1.0			04/24/2007	KPF				Initial Version

TODO:


*********************************************************************************************/

/* Dynamically Include JS Scripts ***********************************************************/
var included_files = new Array();

function include_dom(script_filename) {
    var html_doc = document.getElementsByTagName('head').item(0);
    var js = document.createElement('script');
    js.setAttribute('language', 'javascript');
    js.setAttribute('type', 'text/javascript');
    js.setAttribute('src', script_filename);
    html_doc.appendChild(js);
    return false;
}

function include_once(script_filename) {
    if (!in_array(script_filename, included_files)) {
        included_files[included_files.length] = script_filename;
        include_dom(script_filename);
	}
}

function in_array(needle, haystack) {
    for (var i = 0; i < haystack.length; i++) {
        if (haystack[i] == needle) {
            return true;
        }
    }
    return false;

}

/* End Dynamic Include *********************************************************************/