function getObject(objectId) {
	if (document.getElementById){
		return document.getElementById(objectId);
	} else {
		if (document.all){
			return document.all(objectId);
		} else {
			return false;
		}
	}
}

function serialize (mixed_value) {

	var _utf8Size = function (str) {
	    var size = 0, i = 0, l = str.length, code = '';
	    for (i = 0; i < l; i++) {
	        code = str.charCodeAt(i);
	        if (code < 0x0080) {
	            size += 1;
	        } else if (code < 0x0800) {
	            size += 2;
	        }else {
	        	size += 3;
			}
	    }
	    return size;
	};
    var _getType = function (inp) {
        var type = typeof inp, match;
        var key;

        if (type === 'object' && !inp) {
            return 'null';
        }
        if (type === "object") {
            if (!inp.constructor) {
                return 'object';
            }
            var cons = inp.constructor.toString();
            match = cons.match(/(\w+)\(/);
            if (match) {
                cons = match[1].toLowerCase();
            }
            var types = ["boolean", "number", "string", "array"];
            for (key in types) {
                if (cons == types[key]) {
                    type = types[key];
                    break;
                }
            }
        }
        return type;
    };
    var type = _getType(mixed_value);
    var val, ktype = '';

    switch (type) {
        case "function":
            val = "";
            break;
        case "boolean":
            val = "b:" + (mixed_value ? "1" : "0");
            break;
        case "number":
            val = (Math.round(mixed_value) == mixed_value ? "i" : "d") + ":" + mixed_value;
            break;
        case "string":
			val = "s:" + _utf8Size(mixed_value) + ":\"" + mixed_value + "\"";
            break;
        case "array":
        case "object":
            val = "a";
            /*
            if (type == "object") {
                var objname = mixed_value.constructor.toString().match(/(\w+)\(\)/);
                if (objname == undefined) {
                    return;
                }
                objname[1] = this.serialize(objname[1]);
                val = "O" + objname[1].substring(1, objname[1].length - 1);
            }
            */
            var count = 0;
            var vals = "";
            var okey;
            var key;
            for (key in mixed_value) {
			    if (mixed_value.hasOwnProperty(key)) {
               	   ktype = _getType(mixed_value[key]);
	               if (ktype === "function") {
	                   continue;
	               }

	               okey = (key.match(/^[0-9]+$/) ? parseInt(key, 10) : key);
	               vals += this.serialize(okey) +
	                       this.serialize(mixed_value[key]);
	               count++;
		        }
            }
            val += ":" + count + ":{" + vals + "}";
            break;
        case "undefined": // Fall-through
        default: // if the JS object has a property which contains a null value, the string cannot be unserialized by PHP
            val = "N";
            break;
    }
    if (type !== "object" && type !== "array") {
        val += ";";
    }
    return val;
}





	function explode (delimiter, string, limit) {

		var emptyArray = {
			0: ''
		};

		// third argument is not required
		if ( arguments.length < 2 ||
			typeof arguments[0] == 'undefined' ||
			typeof arguments[1] == 'undefined' ) {
			return null;
		}

		if ( delimiter === '' ||
			delimiter === false ||
			delimiter === null ) {
			return false;
		}

		if ( typeof delimiter == 'function' ||
			typeof delimiter == 'object' ||
			typeof string == 'function' ||
			typeof string == 'object' ) {
			return emptyArray;
		}

		if ( delimiter === true ) {
			delimiter = '1';
		}

		if (!limit) {
			return string.toString().split(delimiter.toString());
		} else {
			// support for limit argument
			var splitted = string.toString().split(delimiter.toString());
			var partA = splitted.splice(0, limit - 1);
			var partB = splitted.join(delimiter.toString());
			partA.push(partB);
			return partA;
		}
	}

	function urlencode (str) {

		str = (str+'').toString();
		return encodeURIComponent(str).replace(/!/g, '%21').replace(/'/g, '%27').replace(/\(/g, '%28').replace(/\)/g, '%29').replace(/\*/g, '%2A').replace(/%20/g, '+');
	}


function empty (mixed_var) {

    var key;

    if (mixed_var === "" ||
        mixed_var === 0 ||
        mixed_var === "0" ||
        mixed_var === null ||
        mixed_var === false ||
        typeof mixed_var === 'undefined'
    ){
        return true;
    }

    if (typeof mixed_var == 'object') {
        for (key in mixed_var) {
            return false;
        }
        return true;
    }
    return false;
}

function isArray(mixed_var) {
	
	if (
		mixed_var === "" ||
		mixed_var === 0 ||
		mixed_var === "0" ||
		mixed_var === null ||
		mixed_var === false ||
		typeof mixed_var === 'undefined' ||
		mixed_var.constructor.toString().indexOf("Array") == -1
	){
		return false;
	} else {
      return true;
	}
}






function dump(arr,level) {
	var dumped_text = "";
	if(!level) level = 0;

	//The padding given at the beginning of the line.
	var level_padding = "";
	for(var j=0;j<level+1;j++) level_padding += "    ";

	if(typeof(arr) == 'object') { //Array/Hashes/Objects
		for(var item in arr) {
			var value = arr[item];

			if(typeof(value) == 'object') { //If it is an array,
				dumped_text += level_padding + "'" + item + "' ...\n";
				dumped_text += dump(value,level+1);
			} else {
				dumped_text += level_padding + "'" + item + "' => \"" + value + "\"\n";
			}
		}
	} else { //Stings/Chars/Numbers etc.
		dumped_text = "===>"+arr+"<===("+typeof(arr)+")";
	}
	return dumped_text;
}


function unserialize (data) {
    // Takes a string representation of variable and recreates it
    //
    // version: 1009.2513
    // discuss at: http://phpjs.org/functions/unserialize    // +     original by: Arpad Ray (mailto:arpad@php.net)
    // +     improved by: Pedro Tainha (http://www.pedrotainha.com)
    // +     bugfixed by: dptr1988
    // +      revised by: d3x
    // +     improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)    // +        input by: Brett Zamir (http://brett-zamir.me)
    // +     improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +     improved by: Chris
    // +     improved by: James
    // +        input by: Martin (http://www.erlenwiese.de/)    // +     bugfixed by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +     improved by: Le Torbi
    // +     input by: kilops
    // +     bugfixed by: Brett Zamir (http://brett-zamir.me)
    // -      depends on: utf8_decode    // %            note: We feel the main purpose of this function should be to ease the transport of data between php & js
    // %            note: Aiming for PHP-compatibility, we have to translate objects to arrays
    // *       example 1: unserialize('a:3:{i:0;s:5:"Kevin";i:1;s:3:"van";i:2;s:9:"Zonneveld";}');
    // *       returns 1: ['Kevin', 'van', 'Zonneveld']
    // *       example 2: unserialize('a:3:{s:9:"firstName";s:5:"Kevin";s:7:"midName";s:3:"van";s:7:"surName";s:9:"Zonneveld";}');    // *       returns 2: {firstName: 'Kevin', midName: 'van', surName: 'Zonneveld'}
    var that = this;
    var utf8Overhead = function(chr) {
        // http://phpjs.org/functions/unserialize:571#comment_95906
        var code = chr.charCodeAt(0);
		  if (code < 0x0080) {
            return 0;
        }
        if (code < 0x0800) {
             return 1;
		  }
        return 2;
    };

     var error = function (type, msg, filename, line){throw new that.window[type](msg, filename, line);};
    var read_until = function (data, offset, stopchr){
        var buf = [];
        var chr = data.slice(offset, offset + 1);
        var i = 2;while (chr != stopchr) {
            if ((i+offset) > data.length) {
                error('Error', 'Invalid');
            }
            buf.push(chr);chr = data.slice(offset + (i - 1),offset + i);
            i += 1;
        }
        return [buf.length, buf.join('')];
    };read_chrs = function (data, offset, length){
        var buf;

        buf = [];
        for (var i = 0;i < length;i++){var chr = data.slice(offset + (i - 1),offset + i);
            buf.push(chr);
            length -= utf8Overhead(chr);
        }
        return [buf.length, buf.join('')];};
    var _unserialize = function (data, offset){
        var readdata;
        var readData;
        var chrs = 0;var ccount;
        var stringlength;
        var keyandchrs;
        var keys;
         if (!offset) {offset = 0;}
        var dtype = (data.slice(offset, offset + 1)).toLowerCase();

        var dataoffset = offset + 2;
        var typeconvert = function(x) {return x;};
        switch (dtype){
            case 'i':
                typeconvert = function (x) {return parseInt(x, 10);};
                readData = read_until(data, dataoffset, ';');chrs = readData[0];
                readdata = readData[1];
                dataoffset += chrs + 1;
            break;
            case 'b':typeconvert = function (x) {return parseInt(x, 10) !== 0;};
                readData = read_until(data, dataoffset, ';');
                chrs = readData[0];
                readdata = readData[1];
                dataoffset += chrs + 1;break;
            case 'd':
                typeconvert = function (x) {return parseFloat(x);};
                readData = read_until(data, dataoffset, ';');
                chrs = readData[0];readdata = readData[1];
                dataoffset += chrs + 1;
            break;
            case 'n':
                readdata = null;break;
            case 's':
                ccount = read_until(data, dataoffset, ':');
                chrs = ccount[0];
                stringlength = ccount[1];dataoffset += chrs + 2;

                readData = read_chrs(data, dataoffset+1, parseInt(stringlength, 10));
                chrs = readData[0];
                readdata = readData[1];dataoffset += chrs + 2;
                if (chrs != parseInt(stringlength, 10) && chrs != readdata.length){
                    error('SyntaxError', 'String length mismatch');
                }
                 // Length was calculated on an utf-8 encoded string
                // so wait with decoding
                readdata = utf8_decode(readdata);
            break;
            case 'a':readdata = {};

                keyandchrs = read_until(data, dataoffset, ':');
                chrs = keyandchrs[0];
                keys = keyandchrs[1];dataoffset += chrs + 2;

                for (var i = 0; i < parseInt(keys, 10); i++){
                    var kprops = _unserialize(data, dataoffset);
                    var kchrs = kprops[1];var key = kprops[2];
                    dataoffset += kchrs;

                    var vprops = _unserialize(data, dataoffset);
                    var vchrs = vprops[1];var value = vprops[2];
                    dataoffset += vchrs;

                    readdata[key] = value;
                }
                dataoffset += 1;
            break;
            default:
                error('SyntaxError', 'Unknown / Unhandled data type(s): ' + dtype);break;
        }
		  
        return [dtype, dataoffset - offset, typeconvert(readdata)];
    };
        return _unserialize((data+''), 0)[2];
}

function utf8_decode ( str_data ) {
    var tmp_arr = [], i = 0, ac = 0, c1 = 0, c2 = 0, c3 = 0;
    
    str_data += '';
    
    while ( i < str_data.length ) {
        c1 = str_data.charCodeAt(i);
        if (c1 < 128) {
            tmp_arr[ac++] = String.fromCharCode(c1);
            i++;
        } else if ((c1 > 191) && (c1 < 224)) {
            c2 = str_data.charCodeAt(i+1);
            tmp_arr[ac++] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));
            i += 2;
        } else {
            c2 = str_data.charCodeAt(i+1);
            c3 = str_data.charCodeAt(i+2);
            tmp_arr[ac++] = String.fromCharCode(((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
            i += 3;
        }
    }

    return tmp_arr.join('');
}

function randomInt( from, to){
       return Math.floor(Math.random() * (to - from + 1) + from);
}

function in_array (needle, haystack, argStrict) {
    // Checks if the given value exists in the array
    //
    // version: 1103.1210
    // discuss at: http://phpjs.org/functions/in_array    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: vlado houba
    // +   input by: Billy
    // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
    // *     example 1: in_array('van', ['Kevin', 'van', 'Zonneveld']);    // *     returns 1: true
    // *     example 2: in_array('vlado', {0: 'Kevin', vlado: 'van', 1: 'Zonneveld'});
    // *     returns 2: false
    // *     example 3: in_array(1, ['1', '2', '3']);
    // *     returns 3: true    // *     example 3: in_array(1, ['1', '2', '3'], false);
    // *     returns 3: true
    // *     example 4: in_array(1, ['1', '2', '3'], true);
    // *     returns 4: false
    var key = '',        strict = !! argStrict;

    if (strict) {
        for (key in haystack) {
            if (haystack[key] === needle) {return true;
            }
        }
    } else {
        for (key in haystack) {if (haystack[key] == needle) {
                return true;
            }
        }
    }
    return false;
}

var preCount;
var preTotSize;
var preLoadSize = 0;

function insertPreloader(files, sizes, totalSize){
	
	preCount = files.length;
	preTotSize = totalSize;

/*
	var preloader = document.createElement('div');
	preloader.id = 'preloader';

	var progressBorder = document.createElement('div');
	progressBorder.className = 'progressBorder';

	var progress = document.createElement('div');
	progress.id = 'preProgress';

	var label = document.createElement('div');
	label.id = 'preLabel'; 
	label.innerHTML = 'Loading pictures... 0% done.';

	var imgContainer = document.createElement('div');
	imgContainer.id = 'imgContainer';
	imgContainer.className = 'h1dn';

	var scroldestr = getObject('scroldestr');
	var node = scroldestr.firstChild;

	while(!empty(node)){
		if((node.nodeName == 'DIV' || node.nodeName == 'div') && node.className == 'core'){
			var core = node;
			break;
		}
		node = node.nextSibling;
	}
	progressBorder.appendChild(progress);
	preloader.appendChild(progressBorder);
	preloader.appendChild(label);
	preloader.appendChild(imgContainer);

	core.appendChild(preloader);

*/
	for(i = 0; i <= files.length; i++){
		var image = document.createElement('img');
		image.src = files[i];
		image.onload = new Function("imgLoaded(" + sizes[i] + ")");
		
		getObject('imgContainer').appendChild(image);
		

	}
}


function imgLoaded(size){
	preCount--;
	preLoadSize += size;
	
	var percent = (preLoadSize / preTotSize) * 1000;
	percent = Math.round(percent) / 10;
	
	getObject('preLabel').innerHTML = 'Loading pictures... ' + percent + '% done.';
	getObject('preProgress').style.width = Math.round(percent*2) + 'px';
	
	if(preCount <= 0){
		hidePreloader();
	}
}

function hidePreloader(){
	if(!empty(DfxEssentials)){
		if(typeof(dfE) != 'object')	dfE = new DfxEssentials();


		var fd_log_slow = new Array();
		fd_log_slow['diff'] = 1.1;
		fd_log_slow['multiply'] = 8.8;
		fd_log_slow['graph'] = 'log';

		dfE.fadeObject('preloader', 95, 0, fd_log_slow);
		setTimeout("getObject('preloader').style.display = 'none';", 500);
	} else {
		getObject('preloader').style.display = 'none';
	}
}