/*
    Utils 1.0
    ===========================
    developed by Core Engine
    http://www.core-engine.com/
*/



var Core = (window.Core) ? window.Core : {};

Core.downcoder = {};

Core.downcoder.init = function() {
    var LATIN_MAP = {
	'À': 'A', 'Á': 'A', 'Â': 'A', 'Ã': 'A', 'Ä': 'A', 'Å': 'A', 'Æ': 'AE', 'Ç':
	'C', 'È': 'E', 'É': 'E', 'Ê': 'E', 'Ë': 'E', 'Ì': 'I', 'Í': 'I', 'Î': 'I',
	'Ï': 'I', 'Ð': 'D', 'Ñ': 'N', 'Ò': 'O', 'Ó': 'O', 'Ô': 'O', 'Õ': 'O', 'Ö':
	'O', 'Ő': 'O', 'Ø': 'O', 'Ù': 'U', 'Ú': 'U', 'Û': 'U', 'Ü': 'U', 'Ű': 'U',
	'Ý': 'Y', 'Þ': 'TH', 'ß': 'ss', 'à':'a', 'á':'a', 'â': 'a', 'ã': 'a', 'ä':
	'a', 'å': 'a', 'æ': 'ae', 'ç': 'c', 'è': 'e', 'é': 'e', 'ê': 'e', 'ë': 'e',
	'ì': 'i', 'í': 'i', 'î': 'i', 'ï': 'i', 'ð': 'd', 'ñ': 'n', 'ò': 'o', 'ó':
	'o', 'ô': 'o', 'õ': 'o', 'ö': 'o', 'ő': 'o', 'ø': 'o', 'ù': 'u', 'ú': 'u',
	'û': 'u', 'ü': 'u', 'ű': 'u', 'ý': 'y', 'þ': 'th', 'ÿ': 'y', 'œ': 'oe'
    };
    var LATIN_SYMBOLS_MAP = {
	'©':'(c)', '™':'(tm)', '\'': '-', '\"': '-', '@': '-at-', '`' :'-',
	'“': '-', '”': '-' 
    };
    var GREEK_MAP = {
	'α':'a', 'β':'b', 'γ':'g', 'δ':'d', 'ε':'e', 'ζ':'z', 'η':'h', 'θ':'8',
	'ι':'i', 'κ':'k', 'λ':'l', 'μ':'m', 'ν':'n', 'ξ':'3', 'ο':'o', 'π':'p',
	'ρ':'r', 'σ':'s', 'τ':'t', 'υ':'y', 'φ':'f', 'χ':'x', 'ψ':'ps', 'ω':'w',
	'ά':'a', 'έ':'e', 'ί':'i', 'ό':'o', 'ύ':'y', 'ή':'h', 'ώ':'w', 'ς':'s',
	'ϊ':'i', 'ΰ':'y', 'ϋ':'y', 'ΐ':'i',
	'Α':'A', 'Β':'B', 'Γ':'G', 'Δ':'D', 'Ε':'E', 'Ζ':'Z', 'Η':'H', 'Θ':'8',
	'Ι':'I', 'Κ':'K', 'Λ':'L', 'Μ':'M', 'Ν':'N', 'Ξ':'3', 'Ο':'O', 'Π':'P',
	'Ρ':'R', 'Σ':'S', 'Τ':'T', 'Υ':'Y', 'Φ':'F', 'Χ':'X', 'Ψ':'PS', 'Ω':'W',
	'Ά':'A', 'Έ':'E', 'Ί':'I', 'Ό':'O', 'Ύ':'Y', 'Ή':'H', 'Ώ':'W', 'Ϊ':'I',
	'Ϋ':'Y'
    };
    var TURKISH_MAP = {
	'ş':'s', 'Ş':'S', 'ı':'i', 'İ':'I', 'ç':'c', 'Ç':'C', 'ü':'u', 'Ü':'U',
	'ö':'o', 'Ö':'O', 'ğ':'g', 'Ğ':'G'
    };
    var RUSSIAN_MAP = {
	'а':'a', 'б':'b', 'в':'v', 'г':'g', 'д':'d', 'е':'e', 'ё':'yo', 'ж':'zh',
	'з':'z', 'и':'i', 'й':'j', 'к':'k', 'л':'l', 'м':'m', 'н':'n', 'о':'o',
	'п':'p', 'р':'r', 'с':'s', 'т':'t', 'у':'u', 'ф':'f', 'х':'h', 'ц':'c',
	'ч':'ch', 'ш':'sh', 'щ':'sh', 'ъ':'', 'ы':'y', 'ь':'', 'э':'e', 'ю':'yu',
	'я':'ya',
	'А':'A', 'Б':'B', 'В':'V', 'Г':'G', 'Д':'D', 'Е':'E', 'Ё':'Yo', 'Ж':'Zh',
	'З':'Z', 'И':'I', 'Й':'J', 'К':'K', 'Л':'L', 'М':'M', 'Н':'N', 'О':'O',
	'П':'P', 'Р':'R', 'С':'S', 'Т':'T', 'У':'U', 'Ф':'F', 'Х':'H', 'Ц':'C',
	'Ч':'Ch', 'Ш':'Sh', 'Щ':'Sh', 'Ъ':'', 'Ы':'Y', 'Ь':'', 'Э':'E', 'Ю':'Yu',
	'Я':'Ya'
    };
    var UKRAINIAN_MAP = {
	'Є':'Ye', 'І':'I', 'Ї':'Yi', 'Ґ':'G', 'є':'ye', 'і':'i', 'ї':'yi', 'ґ':'g'
    };
    var CZECH_MAP = {
	'č':'c', 'ď':'d', 'ě':'e', 'ň': 'n', 'ř':'r', 'š':'s', 'ť':'t', 'ů':'u',
	'ž':'z', 'Č':'C', 'Ď':'D', 'Ě':'E', 'Ň': 'N', 'Ř':'R', 'Š':'S', 'Ť':'T',
	'Ů':'U', 'Ž':'Z'
    };
    var POLISH_MAP = {
	'ą':'a', 'ć':'c', 'ę':'e', 'ł':'l', 'ń':'n', 'ó':'o', 'ś':'s', 'ź':'z',
	'ż':'z', 'Ą':'A', 'Ć':'C', 'Ę':'e', 'Ł':'L', 'Ń':'N', 'Ó':'o', 'Ś':'S',
	'Ź':'Z', 'Ż':'Z'
    };
    var LATVIAN_MAP = {
	'ā':'a', 'č':'c', 'ē':'e', 'ģ':'g', 'ī':'i', 'ķ':'k', 'ļ':'l', 'ņ':'n',
	'š':'s', 'ū':'u', 'ž':'z', 'Ā':'A', 'Č':'C', 'Ē':'E', 'Ģ':'G', 'Ī':'i',
	'Ķ':'k', 'Ļ':'L', 'Ņ':'N', 'Š':'S', 'Ū':'u', 'Ž':'Z'
    };
    
    var ALL_DOWNCODE_MAPS=new Array();
    ALL_DOWNCODE_MAPS[0]=LATIN_MAP;
    ALL_DOWNCODE_MAPS[1]=LATIN_SYMBOLS_MAP;
    ALL_DOWNCODE_MAPS[2]=GREEK_MAP;
    ALL_DOWNCODE_MAPS[3]=TURKISH_MAP;
    ALL_DOWNCODE_MAPS[4]=RUSSIAN_MAP;
    ALL_DOWNCODE_MAPS[5]=UKRAINIAN_MAP;
    ALL_DOWNCODE_MAPS[6]=CZECH_MAP;
    ALL_DOWNCODE_MAPS[7]=POLISH_MAP;
    ALL_DOWNCODE_MAPS[8]=LATVIAN_MAP;

    if (Core.downcoder.map) return ;
    Core.downcoder.map ={};
    Core.downcoder.chars = '' ;
    for(var i in ALL_DOWNCODE_MAPS)
    {
	var lookup = ALL_DOWNCODE_MAPS[i];
	for (var c in lookup)
	{
	    Core.downcoder.map[c] = lookup[c] ;
	    Core.downcoder.chars += c ;
	}
     }
    Core.downcoder.regex = new RegExp('[' + Core.downcoder.chars + ']|[^' + Core.downcoder.chars + ']+','g') ;
};

Core.downcoder.process = function(slug) {
    
    Core.downcoder.init() ;
    var downcoded ="";
    var pieces = slug.match(Core.downcoder.regex);
    if(pieces) {
	for (var i = 0 ; i < pieces.length ; i++) {
	    if (pieces[i].length == 1) {
		var mapped = Core.downcoder.map[pieces[i]] ;
		if (mapped != null) { downcoded+=mapped; continue ; }
	    }
	    downcoded+=pieces[i];
	}
    }
    else downcoded = slug;
    return downcoded;
};



Core.slugify = function(s, max, type) {
    /*
    Slugify a string
    ------------------------------------
	s: string
	max: maximum characters
    */
    
    if (!max) max = 1000000;
    s = Core.downcoder.process(s);
    if(type == 'url')
        s = s.replace(/[^-\w\s\/]/g, '');
    else if(type == 'path')
        s = s.replace(/[^-\w\s\/\.]/g, '');
    else s = s.replace(/[^-\w\s]/g, '');
    s = s.replace(/^\s+|\s+$/g, '');
    s = s.replace(/[\s]+/g, '_');
    s = s.toLowerCase();
    return s.substring(0, max);
};



Core.encode = function(f, s) {
	/*
	Encode a string in another format
	------------------------------------
		f: md5
		s: string
	*/
	
	function toMD5(string) {
		
		if($type(string) != 'string') return string;
		
		function RotateLeft(lValue, iShiftBits) {
			return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
		};
	 
		function AddUnsigned(lX,lY) {
			var lX4,lY4,lX8,lY8,lResult;
			lX8 = (lX & 0x80000000);
			lY8 = (lY & 0x80000000);
			lX4 = (lX & 0x40000000);
			lY4 = (lY & 0x40000000);
			lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
			if (lX4 & lY4) {
				return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
			}
			if (lX4 | lY4) {
				if (lResult & 0x40000000) {
					return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
				} else {
					return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
				}
			} else {
				return (lResult ^ lX8 ^ lY8);
			};
		};
	 
		function F(x,y,z) { return (x & y) | ((~x) & z); };
		function G(x,y,z) { return (x & z) | (y & (~z)); };
		function H(x,y,z) { return (x ^ y ^ z); };
		function I(x,y,z) { return (y ^ (x | (~z))); };
	 
		function FF(a,b,c,d,x,s,ac) {
			a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
			return AddUnsigned(RotateLeft(a, s), b);
		};
	 
		function GG(a,b,c,d,x,s,ac) {
			a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
			return AddUnsigned(RotateLeft(a, s), b);
		};
	 
		function HH(a,b,c,d,x,s,ac) {
			a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
			return AddUnsigned(RotateLeft(a, s), b);
		};
	 
		function II(a,b,c,d,x,s,ac) {
			a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
			return AddUnsigned(RotateLeft(a, s), b);
		};
	 
		function ConvertToWordArray(string) {
			var lWordCount;
			var lMessageLength = string.length;
			var lNumberOfWords_temp1=lMessageLength + 8;
			var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
			var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
			var lWordArray=Array(lNumberOfWords-1);
			var lBytePosition = 0;
			var lByteCount = 0;
			while ( lByteCount < lMessageLength ) {
				lWordCount = (lByteCount-(lByteCount % 4))/4;
				lBytePosition = (lByteCount % 4)*8;
				lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));
				lByteCount++;
			}
			lWordCount = (lByteCount-(lByteCount % 4))/4;
			lBytePosition = (lByteCount % 4)*8;
			lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
			lWordArray[lNumberOfWords-2] = lMessageLength<<3;
			lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
			return lWordArray;
		};
	 
		function WordToHex(lValue) {
			var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;
			for (lCount = 0;lCount<=3;lCount++) {
				lByte = (lValue>>>(lCount*8)) & 255;
				WordToHexValue_temp = "0" + lByte.toString(16);
				WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
			}
			return WordToHexValue;
		};
	 
		function Utf8Encode(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;
		};
	 
		var x=Array();
		var k,AA,BB,CC,DD,a,b,c,d;
		var S11=7, S12=12, S13=17, S14=22;
		var S21=5, S22=9 , S23=14, S24=20;
		var S31=4, S32=11, S33=16, S34=23;
		var S41=6, S42=10, S43=15, S44=21;
	 
		string = Utf8Encode(string);
	 
		x = ConvertToWordArray(string);
	 
		a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;
	 
		for (k=0;k<x.length;k+=16) {
			AA=a; BB=b; CC=c; DD=d;
			a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
			d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
			c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
			b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
			a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
			d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
			c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
			b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
			a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
			d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
			c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
			b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
			a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
			d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
			c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
			b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
			a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
			d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
			c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
			b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
			a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
			d=GG(d,a,b,c,x[k+10],S22,0x2441453);
			c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
			b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
			a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
			d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
			c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
			b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
			a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
			d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
			c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
			b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
			a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
			d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
			c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
			b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
			a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
			d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
			c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
			b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
			a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
			d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
			c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
			b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
			a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
			d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
			c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
			b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
			a=II(a,b,c,d,x[k+0], S41,0xF4292244);
			d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
			c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
			b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
			a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
			d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
			c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
			b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
			a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
			d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
			c=II(c,d,a,b,x[k+6], S43,0xA3014314);
			b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
			a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
			d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
			c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
			b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
			a=AddUnsigned(a,AA);
			b=AddUnsigned(b,BB);
			c=AddUnsigned(c,CC);
			d=AddUnsigned(d,DD);
		};
	 
		var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);
	 
		return temp.toLowerCase();
	};
	
	switch(f) {
		case 'md5': return toMD5.attempt(s);
		default: return s;
	};
	
};



Core.validate = function(data, type) {
	/*
	Validate current data
	------------------------------------
	*/
			
	if(!type) return false;
	
	var regexp = '';
	switch(type) {
		case 'url':
			regexp = /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/;
			break;
	};
	
	return regexp.test(data);
};



Core.Browser = new Class({
    
    Implements: Options,
    options: {
        'onInit': $empty,
        'onSelect': function(item) { page.load(item['url']); }
    },
    
    
    
    initialize: function(options) {
        /*
        Initialize
        ------------------------------------
            options: options
        */
        
        this.setOptions(options);
        var args = this.options;
        
        var request = new Request({
            'url': '/browser',
            'method': 'GET',
            'onSuccess': function(response) {
                new PanelLight({
                    'title': _('browser_title'),
                    'content': response,
                    'drag': true,
                    'events': {
                        'init': function() {
                            this.getElements('.browser-item').each(function(item) {
                                var infos = {
                                    'url': item.getElement('.item-url').value,
                                    'name': item.getElement('.item-name').innerHTML,
                                    'lang': item.getElement('.item-lang').value,
                                    'children': item.getElement('.item-children').value.toInt(),
                                    'token': item.getElement('.item-token').value.toInt()
                                };
                                
                                if(!infos['token'])
                                    item.getElement('.item-name').addEvent('click', function() {
                                        args.onSelect.attempt(infos);
                                    });
                                
                                if(infos['children'])
                                    new Core.Accordion(
                                        item.getElement('.browser-expand'),
                                        item.getNext('.browser-children'),
                                        {'events': {
                                            'init': function() {
                                                args.onInit.attempt();
                                            },
                                            'expand': function() {
                                                item.getElement('.browser-expand').addClass('expanded');
                                            },
                                            'minimize': function() {
                                                item.getElement('.browser-expand').removeClass('expanded');
                                            }
                                        }}
                                    );
                            });
                        }
                    }
                });
            },
            'onFailure': function() {
                new PanelLight({
                    'autohide': true,
                    'content': _('browser_error_show').firstCapital()
                });
            }
        });
        request.setHeader('Content-Display', 'ajax');
        request.setHeader('Browser-DisplayLinks', 0);
        request.send();
    }
    
});



Core.Accordion = new Class({
    
    
    
    Implements: [Options, Events],
    options: {
        'expanded': false,
        'anim': true,
        'events': {}
    },
    
    trigger: null,
    element: null,
    container: null,
    expanded: false,
    
    
    
    initialize: function(t, e, opt) {
		/*
        Initialize
        ------------------------------------
        */
        
	if(!t || !e) return null;
        for(o in opt) {
            if(o.match(/^on[A-Z]/g)) {
                if(!('events' in opt)) opt['events'] = {};
                if(!(o in opt['events'])) opt['events'][o] = opt[o];
                delete opt[o];
            };
        };
        
        this.setOptions(opt);
        this.trigger = $(t);
        this.element = $(e);
        this.container = new Element('div', {
            'class': 'accordion-container',
            'styles': {
                'display': 'block',
                'height': (this.options['expanded']) ? this.element.offsetHeight : 0,
                'margin-top': this.element.getStyle('margin-top'),
                'margin-bottom': this.element.getStyle('margin-bottom')
            }
        }).injectBefore(this.element).grab(this.element);
	this.element.setStyles({'margin-top': 0, 'margin-bottom': 0});
        
        if(this.options['expanded']) this.expanded = true;
        else this.element.setStyle('opacity', 0);
        
        this.trigger.addEvent('click', this.toggleExpand.bind(this));
        this.addEvents(this.options['events']);
        this.fireEvent('initialize');
        
        return this;
    },
    
    
    
    expand: function(b, cb) {
		/*
        Expand/minimize current content
        ------------------------------------
            b: boolean
            cb: callback
        */
        
        if(this.expanded == b) return;
        else this.expanded = b;
        
        var c = this;
        new Fx.Tween(this.container, {
            'duration': (this.options['anim']) ? 400 : 0,
            'link': 'cancel',
	    'transition': Fx.Transitions.Quad.easeInOut,
            'onComplete': function() {
                c.fireEvent('toggle');
                c.fireEvent((b) ? 'expand' : 'minimize');
                if(b) c.container.setStyles({'display': '', 'height': ''});
                if(cb) cb.bin(c).attempt();
            }
        }).start('height', (b) ? this.element.offsetHeight : 0);
        
        new Fx.Tween(this.element, {
            'duration': (this.options['anim']) ? 400 : 0,
            'link': 'cancel'
        }).start('opacity', (b) ? 1 : 0);
    },
    
    
    
    toggleExpand: function() {
        /*
        Expand/minimize current content
        ------------------------------------
        */
        
        return this.expand(!this.expanded);
    },
    
    
    
    remove: function() {
        /*
        Remove current ScrollingTitle
        ------------------------------------
        */
        
        var rm = function() {
            this.trigger.removeEvent('click', this.toggleExpand);
            this.element.injectAfter(this.container);
			this.element.setStyles({
				'margin-top': this.container.getStyle('margin-top'),
				'margin-bottom': this.container.getStyle('margin-bottom')
			});
            this.container.destroy();
            delete this;
        };
        
        if(!this.expanded) this.expand(true, rm); else rm();
    }
    
});



Core.Accordions = new Class({
    
    
	
    Implements: Options,
    options: {
        'expanded': [],
        'anim': true,
        'events': {}
    },
    
    instances: [],
    
    
    
    initialize: function(t, e, opt) {
	/*
        Initialize
        ------------------------------------
            t: triggers
            e: elelents
            opt: options
        */
        
        if(!t || !e || t.length == 0 || e.length == 0) return null;
		this.setOptions(opt);
        
        for (var i = 0; i < ((t.length > e.length) ? e.length : t.length); i++) {
            this.instances.push(new Core.Accordion(t[i], e[i], {
                'expanded': this.options['expanded'].contains(i),
                'anim': this.options['anim'],
                'events': this.options['events']
            }));
        }
    }
    
});



Core.ButtonImage = function(element) {
    /*
    Initialize
    ------------------------------------
        element: element reference
    */
    
    if(!element || !element.getElement('.hover') || element.extended)
        return;
	
	var scroll = new Fx.Scroll(window, {
		'duration': 1000,
		'transition': Fx.Transitions.Cubic.easeInOut
	});
    
    var hover = element.getElement('.hover');
    hover.setStyles({
        'opacity': 1,
        'display': 'block'
    });
    
    hover.fx = new Fx.Tween(hover, {
        'duration': 300,
        'link': 'cancel',
        'property': 'opacity'
    });
    
	if(!element.action)
		element.action = element.getProperty.attempt('href', element);
    element.addEvents({
		'mouseover': function() { hover.fx.start(0); },
        'mouseout': function() { hover.fx.start(1); },
		'mousedown': function(event) { event.stop(); },
		'click': function(event) {
			if(element.action) {
				if($type(element.action) == 'string' && element.action != '' && element.action != '#') {
					if(element.action[0] == '#') {
                        var anchor = document.body.getElement('.anchor[name=' + element.action.slice(1) + ']')
                        if(anchor) scroll.toElement(anchor);
                    }
					else if(Core.validate(element.action, 'url'))
						window.open(
							element.action,
							pref.title_pattern.substitute({
								'site': 'Core engine',
								'page': element.title
							})
						);
					else
						page.load(element.action);
				}
				else if($type(element.action) == 'function')
					element.action.attempt(null, element);
			};
			event.stop();
		}
    });
    
    element.extended = true;
};



Fx.Transitions.extend({

    CoreElastic: function(p, x){
        return Math.pow(2, 10 * --p) * Math.cos(20 * p * Math.PI * (x[0] || 1) / 7);
    }

});