var URL_BASE = "index.html"; 
var URL_SEPARATOR = "?content=";
var URL_SEPARATOR_PATTERN = "\\?content=(.+)$";

/**
 * Initialize links
 */
function initPage() {
  initialTocSync();
  /*
	if (tocSupported) {
		var as = document.getElementsByTagName("a");
		for (var i = 0; i < as.length; i++) {
			attachEventListener(as[i], "click", syncTocHandler);
			if (as[i].addEventListener) {
				as[i].addEventListener("mousedown", syncTocHandler, false);
			} else if (as[i].attachEvent) {
				as[i].setAttribute("onmousedown", syncTocHandlerIE);	
			}
		}
	}
	*/	
}

/**
 * Do initial TOC synchronization.
 */
function initialTocSync() {
	  if (automaticSync) {
	      var baseUrl = getBaseUrl();
	      var contentUrl = String(window.location);
	      var href = getRelativeUrl(contentUrl, baseUrl);
  	    findTocItem(href);
    }
}

/**
 * TOC sync
 */
function syncTocHandler(event) {
	if (tocSupported) {
		var n = getTargetNode(event);
		var href = n.getAttribute("href");
		/*
		if (isClass(n, "javadoc_ref")) {
    	if (href.indexOf('#') != -1) {
    		href = href.substring(0, url.indexOf('#'));
    	}
      var a = href.split("/");
      var last = a.length - 1;
      while (a[last].indexOf(".") != -1) {
          last--;
      }
      a = a.slice(0, last + 1);
      href = a.join("/") + "/package-summary.html";
      alert(n.getAttribute("href") + "\n" + href);
		}
		*/
    findTocItem(href);
	}
}

/**
 * Find current TOC node.
 */
function findTocItem(url) {
	if (tocSupported) {
		var u = url;
		if (url.indexOf('#') != -1) {
			u = u.substring(0, url.indexOf('#'));
		}
    var baseUrl = getBaseUrl();		
		if (!window.parent.frames.toc) { return; }
		var d = window.parent.frames.toc.document;
		var aes = d.getElementsByTagName(TOC_ELEMENT_LINK);
		for (var i = 0; i < aes.length; i++) {
			if (compareTocUrl(aes[i], getRelativeUrl(aes[i].href, baseUrl), u)) {
				highlightTocItem(aes[i]);
				// make sure TOC is expanded if needed
				var item = aes[i].parentNode;
				/*
        if (childCollapse) {
          collapseChildBlocks(item);
        }
        */   				
				while (item != null) {
					if (item.parentNode && item.parentNode.nodeName.toLowerCase() == TOC_ELEMENT_BLOCK &&
							item.parentNode.parentNode && item.parentNode.parentNode.nodeName.toLowerCase() == TOC_ELEMENT_ITEM) {
						item = item.parentNode.parentNode;
  					if (item.firstChild && item.firstChild.firstChild && item.firstChild.firstChild.data == TOC_SYMBOL_COLLAPSED) {
  						//toggle(n.firstChild);
  						tocNodeExpand(item.firstChild, false);
  					}
					} else {
						item = null;	
					}
				}
				break;
			}
		}
	}
}

/**
 * Compare TOC link URL with document URL.
 *
 * @param link TOC link element
 * @param tocUrl Relative TOC url
 * @param docUrl Relative document URL
 */
function compareTocUrl(link, tocUrl, docUrl) {
  var _tocUrl = tocUrl.replace("\\", "/");
  var _docUrl = docUrl.replace("\\", "/");
  return _tocUrl === _docUrl; 
}