/* CROSS-BROWSER EVENT HANDLER */
		function addEvent(obj, evType, fn){
			 if (obj.addEventListener){
				 obj.addEventListener(evType, fn, true);
				 return true;
			 } else if (obj.attachEvent){
				 var r = obj.attachEvent("on"+evType, fn);
				return r;
			 } else {
				return false;
			 }
		}
	/* END EVENT HANDLER */
	
	
	/* JPSPAN */
		function doGetPage(i) {
			// Call nav first, then page content so page will load last (thus call fixLinks() after everything has loaded).
			var n = new pageholder(NavHolderHandler);
			n.nav(i);
			var p = new pageholder(PageHolderHandler);
			p.ashtml(i);
			setContent("<div class='inner'><img src='loading.gif' alt='Loading...' /></div>");
		}

		// Called by loadGravelContent() in loadFlash.js
		function doGetNav(i) {
			var p = new pageholder(NavHolderHandler);
			p.nav(i);
		}

		var PageHolderHandler = {
			ashtml: function(result) {
				if( setContent(result) ) {
					// Call up here so fixes links on right side as well as nav.
					fix.fixLinks();
				}
			}
		}

		var NavHolderHandler = {
			nav: function(result) {
				if( setNav(result) ) {
					if(!document.iframesfix) {
						// Don't call fixLinks() twice -- load page last, so call there so fixLinks runs *after* all content has been loaded.
						//fix.fixLinks();
					}
				}
			}
		}
	/* END JPSPAN */
	
	
	/* PAGELOCATOR */
		function PageLocator(propertyToUse, dividingCharacter) {
			this.propertyToUse = propertyToUse;
			this.defaultQS = "main";
			this.dividingCharacter = dividingCharacter;
		}
		PageLocator.prototype.getLocation = function() {
			return eval(this.propertyToUse);
		}
		PageLocator.prototype.getHash = function() {
			var url = this.getLocation();
			if(url.indexOf(this.dividingCharacter)>-1) {
				var url_elements = url.split(this.dividingCharacter);
				return url_elements[url_elements.length-1];
			} else {
				return this.defaultQS;
			}
		}
		PageLocator.prototype.getHref = function() {
			var url = this.getLocation();
			var url_elements = url.split(this.dividingCharacter)
			return url_elements[0];
		}
		PageLocator.prototype.makeNewLocation = function(new_qs) {
			return this.getHref() + this.dividingCharacter + new_qs;
		}
	/* END PAGELOCATOR */
	
	
	/* AjaxIframesFixer */
		function AjaxIframesFixer(iframeid) {
			this.iframeid = iframeid;
			if (document.getElementById('ajaxnav')) {
				// fixLinks() now called in setNav() so it fires after nav is loaded.
				//this.fixLinks();
				this.locator = new PageLocator("document.frames['"+this.iframeid+"'].getLocation()", "?hash=");
				this.windowlocator = new PageLocator("window.location.href", "#");
				this.timer = new Timer(this);
				
				this.delayInit(); // required or IE doesn't fire
			}
		}
		AjaxIframesFixer.prototype.fixLinks = function (iframeid) {
			var links = document.getElementsByTagName("A");
			for(var i=0; i<links.length; i++) {
				if( links[i].getAttribute("href") ) // Don't do if 'a' tag doesn't have 'href' attr.
				{
					var href = links[i].getAttribute("href");
					
					hrefSplit = href.split('/');
					if(hrefSplit[0] == 'http:') continue; // If absolute link, don't do href substitution.
					if(hrefSplit[3] == 'redesign') continue; // If link to 'redesign' directory, don't do href substitution.					
					if(hrefSplit[3] == 'media') continue; // If link to 'media' directory, don't do href substitution.
					
					if( href.indexOf("hash=") >= 0 )
					{
						var hash = href.substr(href.indexOf("hash=")+5);
						links[i].setAttribute("href","javascript:document.getElementById('"+this.iframeid+"').setAttribute('src', 'ieloader.php?hash="+hash+"');");
					}
					else
					{
						links[i].setAttribute("href","content.php?hash=" + this.locator.getHash() + hrefSplit[4]);
					}
				}
			}
		}
		AjaxIframesFixer.prototype.delayInit = function(){
			this.timer.setTimeout("checkBookmark", 200, "");
		}
		AjaxIframesFixer.prototype.checkBookmark = function(){
			window.location = this.windowlocator.makeNewLocation(this.locator.getHash());
			this.checkWhetherChanged(0);
		}
		AjaxIframesFixer.prototype.checkWhetherChanged = function(location){
			if(this.locator.getHash() != location) {
				if( window.location.href.indexOf("content.php") < 0 )
				{
					doGetPage( this.locator.getHash() );
					//window.location = this.windowlocator.makeNewLocation(this.locator.getHash());
				}
				else
				{
				/*
					document.getElementById("ajaxnav").style.display = "block";
					var links = document.getElementsByTagName("A");
					for(var i=0; i<links.length; i++) {
						if( links[i].getAttribute("href") ) // Don't do if 'a' tag doesn't have 'href' attr.
						{
							var href = links[i].getAttribute("href");
				
							hrefSplit = href.split('/');
							//if(hrefSplit[0] == '#') continue; // already converted link, don't do href substitution.
							//if(hrefSplit[0] == 'http:') continue; // If absolute link, don't do href substitution.
							if(hrefSplit[3] == 'redesign') continue; // If link to 'redesign' directory, don't do href substitution.					
							if(hrefSplit[3] == 'media') continue; // If link to 'media' directory, don't do href substitution.
							//alert(hrefSplit);
							if( (href.indexOf("hash=") >= 0) && (href.indexOf("#") < 0) )
							{
								var hash = href.substr(href.indexOf("hash=")+5);
								links[i].setAttribute("href","javascript:document.getElementById('"+this.iframeid+"').setAttribute('src', 'ieloader.php?hash="+hash+"');");
								//alert(hash);
							}
							else
							{
								//links[i].setAttribute("href","content.php?hash=" + this.locator.getHash() + hrefSplit[4]);
								//alert("no hash-"+hrefSplit[4]);
							}
						}
					}
					//window.location = this.windowlocator.makeNewLocation(hash);
				*/
				}
				window.location = this.windowlocator.makeNewLocation(this.locator.getHash());
			}
			this.timer.setTimeout("checkWhetherChanged", 200, this.locator.getHash());
		}
	/* END AjaxIframesFixer */
	
	
	/* AjaxUrlFixer */
		function AjaxUrlFixer() {
			// fixLinks() now called in setNav() so it fires after nav is loaded.
			//this.fixLinks();
			this.locator = new PageLocator("window.location.href", "#");
			this.timer = new Timer(this);
			if( window.location.href.indexOf("content.php") < 0 )
			{
				// Only call doGetPage() if not in content.php.
				this.checkWhetherChanged(0);
			}
			else
			{
				// We're in content.php, so do our own thing (don't use fixLinks).
				var links = document.getElementsByTagName("A");
				for(var i=0; i<links.length; i++) {
					if( links[i].getAttribute("href") ) // Don't do if 'a' tag doesn't have 'href' attr.
					{
						var href = links[i].getAttribute("href");
						
						hrefSplit = href.split('/');
						if(hrefSplit[0] == 'http:') continue; // If absolute link, don't do href substitution.
						if(hrefSplit[1] == 'redesign') continue; // If link to 'redesign' directory, don't do href substitution.					
						if(hrefSplit[1] == 'media') continue; // If link to 'media' directory, don't do href substitution.

						if( href.indexOf("hash=") >= 0 )
						{
							var hash = href.substr(href.indexOf("hash=")+5);
							links[i].setAttribute("href","/v2/#"+hash);
						}
						else
						{
							//links[i].setAttribute("href","content.php?hash=" + this.locator.getHash() + href);
						}
					}
				}
			}
		}
		AjaxUrlFixer.prototype.fixLinks = function () {
			var links = document.getElementsByTagName("A");
			for(var i=0; i<links.length; i++) {
				if( links[i].getAttribute("href") ) // Don't do if 'a' tag doesn't have 'href' attr.
				{
					var href = links[i].getAttribute("href");
	
					hrefSplit = href.split('/');
					if(hrefSplit[0] == 'http:') continue; // If absolute link, don't do href substitution.
					if(hrefSplit[1] == 'redesign') continue; // If link to 'redesign' directory, don't do href substitution.					
					if(hrefSplit[1] == 'media') continue; // If link to 'media' directory, don't do href substitution.

					// Special treatment for anchor links (e.g. #anchor1)...
					if( href.indexOf("#") >= 0 )
					{
						links[i].setAttribute("href","content.php?hash=" + this.locator.getHash() + href);
					}
					else
					{
						var hash = href.substr(href.indexOf("hash=")+5);
						links[i].setAttribute("href","#"+hash);
					}
				}
			}
		}
		AjaxUrlFixer.prototype.checkWhetherChanged = function(location){
			if(this.locator.getHash() != location) {
				doGetPage(this.locator.getHash());
			}
			this.timer.setTimeout("checkWhetherChanged", 200, this.locator.getHash());
		}
	/* END AjaxUrlFixer */
	
	function setContent(new_content) {
		if(!document.getElementById || !document.getElementsByTagName) return;
		var container = document.getElementById("right");
		container.innerHTML = new_content;
		return true;
	}
	function setNav(new_nav) {
		if(!document.getElementById || !document.getElementsByTagName) return;
		var container = document.getElementById("nav");
		container.innerHTML = new_nav;
		// Call fixLinks() here so fires *AFTER* nav has loaded (otherwise, no links will be on the page to 'fix')...
		// Fix object will use correct function -- for IE or other.
		//fix.fixLinks();
		return true;
	}
	function FixBackAndBookmarking() {
		if(!document.getElementById || !document.getElementsByTagName) return;
		if(document.iframesfix) {
			fix = new AjaxIframesFixer('ajaxnav');
		} else {
			fix = new AjaxUrlFixer();
		}
	}