var fadeOut;
var fadeIn;
var URI; // original API path

function builderCall (url, noSave) {

	// IE 7 cannot handle the AJAX history for some reason
	var IE7 = (navigator.appVersion.indexOf('MSIE 7.')==-1) ? false : true;
	if (IE7) {
		url = url.replace ('builder/', '');
		window.location = url;
		return;
	}
	
	if (typeof noSave == 'undefined' || noSave == false) {
		l = '#' + url.replace ('http://www.continuum.ee/builder/', '');
		bookmarks.sethash (l, url);	
	}

	x = window.xajax;
	URI = x.config.requestURI;
	x.config.requestURI = url;

	// maybe a previous click is still active
	if ('undefined' != typeof fadeIn) {
		clearInterval (fadeIn);
	}
	if ('undefined' != typeof fadeOut) {
		clearInterval (fadeOut);
	}

	fadeOut = setInterval (builder_fadeOut, 50);


}

function builder_fadeOut () {
	content = document.getElementById('sisu_is');
	opacity = Number (content.style.opacity);
	if ('undefined' == typeof opacity || !opacity) { opacity = 1; }
	opacity = opacity = opacity - 0.1;
	
	if (opacity > 0.1) {
		content.style.opacity = opacity;
		content.style.filter = 'alpha(opacity=' + opacity * 100 + ')';
	} else {
		content.style.opacity = 0;
		content.style.filter = 'alpha(opacity=0)';
		clearInterval (fadeOut);
		
		// the current text has faded out, assign new text
		xajax.request ({xjxfun:'builder'}, { parameters: ['', ''], mode: 'synchronous' } );//		xajax.call ('builder', { parameters: [], mode: 'synchronous'} );
		window.xajax.config.requestURI = URI;
		
		// the new content may need to be checked by shadowbox for rel tags
		Shadowbox.init({ skipSetup: true }); Shadowbox.setup(); 

		// start fading back in
		fadeIn = setInterval (builder_fadeIn, 50);
	}
}

function builder_fadeIn () {
	content = document.getElementById('sisu_is');
	opacity = Number (content.style.opacity);
	if ('undefined' == typeof opacity) { opacity = 0; }

	if (opacity < 1) {
		opacity = opacity + 0.1;
		content.style.opacity = opacity;
		content.style.filter = 'alpha(opacity=' + opacity * 100 + ')';
	} else {
		clearInterval (fadeIn);
	}
}

// this checks whether a hash was pasted into the url bar
// and calls builder if there is
function builderCheckHash () {
	if (window.location.href.indexOf('#') != -1) {
		url = window.location.href.split('#')[1];
		if (url) {
			builderCall ('http://www.continuum.ee/builder/' + url);
		}
	}
}

/* Bookmarks from ajaxhistory.com
---------------------------------------------------------------- */

var bookmarks = function(){
	var lasthash = '';
	var isie = false;
	var iec = 0;
	var iev = 0;
	var bookmarked = new Array();
	return {
		initialize:function(){
			var quirks = document.compatMode;
			if(document.all){
				if(/MSIE (\d+\.\d+);/.test(navigator.userAgent)){iev = new Number(RegExp.$1);}
				if(iev>=8 && quirks=='BackCompat' || iev<8){
					bookmarks.iframe();
					isie = true;
				}
			}
			setInterval("bookmarks.checkhash();", 400);
		},
		sethash:function(hash,url){
			if(hash){
				if(isie){iec++;}
				var str = hash + ',' + url + ',' + ',' + iec;
				var num = '';
				var partof = false;
				lasthash = hash;
				window.location.href = hash;
				for(var i=0;i<bookmarked.length;i++){
					var tmp = bookmarked[i].split(",");
					if(tmp[0]==hash){
						partof = true;
						num = tmp[3];
					}
				}
				if(isie){
					if(!partof){
						bookmarks.setiframe(hash,iec);
					}else{
						bookmarks.setiframe(hash,num);
					}
				}
				if(!partof){bookmarked.push(str);}
			}
		},
		checkhash:function(){
			var obj = window.location.hash;
			var purl, pctn, phas;
			if(obj){
				if(obj!=lasthash){
					if(lasthash!=undefined){
						for(var i=0;i<bookmarked.length;i++){
							var tmp = bookmarked[i].split(",");
							if(tmp[0]==obj){
// L.							phas = tmp[0];purl = tmp[1];pctn = tmp[2];
								phas = tmp[0];purl = tmp[1];
								break;
							}
						}
// L.					if(phas && purl && pctn){
						if(phas && purl){
							lasthash = phas;
// L.						ajax.load(purl,pctn,false,'','');
							builderCall (purl, true);
						}
					}
				}
			}
		},
		iframe:function(){
			var bug = document.createElement("iframe");
			bug.src = 'http://www.continuum.ee/raw/theme/resource/continuum/modules/builder/blank.html';
			bug.id = 'bugframe';
			bug.style.width = '100px';
			bug.style.height = '100px';
			bug.style.display = 'none';
			document.body.appendChild(bug);
		},
		setiframe:function(f,num){
			document.getElementById('bugframe').src = 'http://www.continuum.ee/raw/theme/resource/continuum/modules/builder/blank.html?' + num + f;
		},
		fixiframe:function(f){
			var obj = window.location.hash;
			if(f){if(f!=obj){window.location.href = f;}}
		}
	};
}();

/* Ajax <|> ajax.load('http://www.','ajaxdiv',true,hash,['customfunction()','anotherfunction()']);
---------------------------------------------------------------- */

/*
var ajax = function(){
	return {
		nocache:function(){
			var minutes = 1000 * 60;
			var hours = minutes * 60;
			var days = hours * 24;
			var years = days * 365;
			var d = new Date();
			var t = d.getTime();
			return t;
		},
		load:function(url,container,load,store,functions){
			var obj = document.getElementById(container);
			var loader = '<div class="loading">Loading...</div>';
			if(obj && url){
				if(load){obj.innerHTML = loader;}
				ajax.page(url,container,functions);
				if(store){bookmarks.sethash(store,url,container);}
			}
		},
		page:function(url,container,functions){
			var _url = '';var _no = '';var page_request = false;
			if(url.indexOf("?")==-1){_no = '?~' + ajax.nocache();}else{_no = '&~' + ajax.nocache();}
			_url = url + _no;
			
			if(window.XMLHttpRequest){
				page_request = new XMLHttpRequest();
			}else if(window.ActiveXObject){
				try{
					page_request = new ActiveXObject('Msxml2.XMLHTTP');
				}catch(e){
					try{
						page_request = new ActiveXObject('Microsoft.XMLHTTP');
					}catch(e){}
				}
			}else{
				return false;
			}

			page_request.onreadystatechange = function(){
				ajax.parse(page_request,container,functions);
			}
			page_request.open('GET', _url, true);
			page_request.send(null);
		},
		parse:function(page_request,container,functions){
			if(page_request.readyState==4 && (page_request.status==200 || window.location.href.indexOf('http')==-1)){
				document.getElementById(container).innerHTML = page_request.responseText;
				ajax.completed(functions);
			}
		},
		completed:function(functions){
			// After complete functions here..
			if(functions){
				for(var i=0;i<functions.length;i++){
					try{eval(functions[i]);}catch(e){alert(e.description);}
				}
			}
		}
	};
}();

*/
/* Initialize onload */
//window.onload = function(){
//	bookmarks.initialize();
//}