/**
 * @fileOverview    DOCUMENT OBJECT MODEL. JS
 *                  Init Date: Mon, 23 Jun 2008 18:00:00 EST.
 *                  Copyright (C) Discovery.com 2008. All Rights Reserved.
 * @name            Carl Lewin
 */

 
/**
 *    @description    Extracts and returns content of META tag named "launchDate" in YYYYMMDD format	
 *    @param          [string]       metaDate           value returned by this function
 *    @param          [array]	     metas              an array of the current file's META tags	
 */
function getMetaLaunchDate() {
    var pageHREFSplit = (window.location.href).split("/");
    var rootDirectory = pageHREFSplit[3];
    
    switch (rootDirectory) {
        // case "videos" :
        //    var metaDate = "20080910";
        //    return metaDate;
        
        default :
        	var metaDate = "";
            var metas = document.getElementsByTagName("meta");
	
            for (i = 0; i < metas.length; i++){
                if (metas[i].getAttribute("name") == "launchDate"){
                    metaDate = metas[i].getAttribute("content");
                }	
            }
            metaDate = metaDate.split("/");
            metaDate = metaDate[2] + metaDate[0] + metaDate[1];
            return metaDate;
    }
}