/*
Filename: julia_history.js
	This file is the part of Julia 1.05 - Simply Programming Universe.

License:
	Please do not use any part of julia without written permission by the authors.

Copyright:
	Copyright (c) 2009 (www.e-future.pl).
*/

var _page_active="";
var _jpc_default=null;
var last_page = ''; //preventing loading 2 the same urls //different languages
function pageload(hash) {
		
		//if(hash.contains('%'))hash = Url.decode(hash);
//		
//		// hash doesn't contain the first # character.
//		if(hash!=last_page)
//		{
//			last_page = hash;
//		}
//		else
//		{
//			return false;	
//		}
		var julia_hash = hash.split('-juliasep-');
		if(hash) {
			
			if(julia_hash[2]!='')
			{
				juliaGetPage(julia_hash[2],default_container,function(){
					juliaGetPage(julia_hash[0],julia_hash[1],false,$('noscroll'));
				});
			}
			else
			{
				juliaGetPage(julia_hash[0],julia_hash[1],false,$('noscroll'));
			}
			
		} 
		else 
		{
			if (!$(default_container)) return false;
			if(!_jpc_default)
			{
				_jpc_default=$(default_container).get('html');
			}
			else
			{
				$(default_container).set('html',_jpc_default);
				julia_scroll_to(default_container);
			}
		}
	}

$j(function(){
	if(typeof(juliaGetPage)=='function'){$j.historyInit(pageload);}
})

/**
*
*  URL encode / decode
*  http://www.webtoolkit.info/
*
**/
 
var Url = {
 
	// public method for url encoding
	encode : function (string) {
		return escape(this._utf8_encode(string));
	},
 
	// public method for url decoding
	decode : function (string) {
		return this._utf8_decode(unescape(string));
	},
 
	// private method for UTF-8 encoding
	_utf8_encode : function (string) {
		string = string.replace(/\r\n/g,"\n");
		var utftext = "";
 
		for (var n = 0; n < string.length; n++) {
 
			var c = string.charCodeAt(n);
 
			if (c < 128) {
				utftext += String.fromCharCode(c);
			}
			else if((c > 127) && (c < 2048)) {
				utftext += String.fromCharCode((c >> 6) | 192);
				utftext += String.fromCharCode((c & 63) | 128);
			}
			else {
				utftext += String.fromCharCode((c >> 12) | 224);
				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
				utftext += String.fromCharCode((c & 63) | 128);
			}
 
		}
 
		return utftext;
	},
 
	// private method for UTF-8 decoding
	_utf8_decode : function (utftext) {
		var string = "";
		var i = 0;
		var c = c1 = c2 = 0;
 
		while ( i < utftext.length ) {
 
			c = utftext.charCodeAt(i);
 
			if (c < 128) {
				string += String.fromCharCode(c);
				i++;
			}
			else if((c > 191) && (c < 224)) {
				c2 = utftext.charCodeAt(i+1);
				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
				i += 2;
			}
			else {
				c2 = utftext.charCodeAt(i+1);
				c3 = utftext.charCodeAt(i+2);
				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
				i += 3;
			}
 
		}
 
		return string;
	}
 
}