// navigation prep

function initNavigation(oObj) {
    if (oObj) {
        var aObjs = getByTag("a", oObj);
        var n = aObjs.length;
        var defaultPages = new RegExp("index\.html|index\.htm|index\.php", "");
        pageURL = document.URL.replace(defaultPages, "");
        while (n--) {
            linkURL = aObjs[n].href.replace(defaultPages, "");
            if (pageURL.indexOf(linkURL) != -1) {
                if(!testClassName(aObjs[n], "dontMarkCurrent")) { addClassName(aObjs[n], "current"); }
            }
		}
	}
}

function init() {
	initNavigation(getById("navigation1"));
	initNavigation(getById("navigation2"));
	initNavigation(getById("navigation3"));
}

addDOMLoadEvent(init);