Number.prototype.formatMoney = function(c, d, t){
var n = this, 
    c = isNaN(c = Math.abs(c)) ? 2 : c, 
    d = d == undefined ? "." : d, 
    t = t == undefined ? "," : t, 
    s = n < 0 ? "-" : "", 
    i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", 
    j = (j = i.length) > 3 ? j % 3 : 0;
   return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
 };
 
function isEmail(email) {
  var regex = /^([a-zA-Z0-9_.+-])+\@(([a-zA-Z0-9-])+\.)+([a-zA-Z0-9]{2,4})+$/;
  return regex.test(email);
}

function geldformat(n, c, d, t){
var //n = this, 
    c = isNaN(c = Math.abs(c)) ? 2 : c, 
    d = d == undefined ? "." : d, 
    t = t == undefined ? "," : t, 
    s = n < 0 ? "-" : "", 
    i = parseInt(n = Math.abs(+n || 0).toFixed(c)) + "", 
    j = (j = i.length) > 3 ? j % 3 : 0;
   return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) + (c ? d + Math.abs(n - i).toFixed(c).slice(2) : "");
 };
 
function isInt(value) {
  return !isNaN(value) && 
         parseInt(Number(value)) == value && 
         !isNaN(parseInt(value, 10));
}

function nl2br (str, is_xhtml) {   
    var breakTag = (is_xhtml || typeof is_xhtml === 'undefined') ? '<br />' : '<br>';    
    return (str + '').replace(/([^>\r\n]?)(\r\n|\n\r|\r|\n)/g, '$1'+ breakTag +'$2');
}


function bytesToSize(bytes) {
   var sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
   if (bytes == 0) return '0 Byte';
   var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
   return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + sizes[i];
};

function sortJsonArrayByProperty(objArray, prop, direction){
    if (arguments.length<2) throw new Error("sortJsonArrayByProp requires 2 arguments");
    var direct = arguments.length>2 ? arguments[2] : 1; //Default to ascending

    if (objArray && objArray.constructor===Array){
        var propPath = (prop.constructor===Array) ? prop : prop.split(".");
        objArray.sort(function(a,b){
            for (var p in propPath){
                if (a[propPath[p]] && b[propPath[p]]){
                    a = a[propPath[p]];
                    b = b[propPath[p]];
                }
            }
            // convert numeric strings to integers
            a = a.match(/^\d+$/) ? +a : a;
            b = b.match(/^\d+$/) ? +b : b;
            return ( (a < b) ? -1*direct : ((a > b) ? 1*direct : 0) );
        });
    }
}
if(!Array.isArray) {
  Array.isArray = function (vArg) {
    return Object.prototype.toString.call(vArg) === "[object Array]";
  };
}

function isEmpty(value){
  return (value == null || value.length === 0);
}

function zeige_dateiendung(filename){
	var endung=filename.split('.').pop();
	endung=endung.toLowerCase();
	return endung;
}

function isInt(value) {
  return !isNaN(value) && 
         parseInt(Number(value)) == value && 
         !isNaN(parseInt(value, 10));
}

function isset ()
{
    // http://kevin.vanzonneveld.net
    // +   original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +   improved by: FremyCompany
    // +   improved by: Onno Marsman
    // +   improved by: Rafał Kukawski
    // *     example 1: isset( undefined, true);
    // *     returns 1: false
    // *     example 2: isset( 'Kevin van Zonneveld' );
    // *     returns 2: true

  var a = arguments,
    l = a.length,
    i = 0,
    undef;

  if (l === 0)
  {
    throw new Error('Empty isset');
  }

  while (i !== l)
  {
    if (a[i] === undef || a[i] === null)
    {
      return false;
    }
    i++;
  }
  return true;
}

String.prototype.replaceArray = function(find, replace) {
  var replaceString = this;
  for (var i = 0; i < find.length; i++) {
    replaceString = replaceString.replace(find[i], replace[i]);
  }
  return replaceString;
};

function str_replace($f, $r, $s){
    return $s.replace(new RegExp("(" + (typeof($f) == "string" ? $f.replace(/[.?*+^$[\]\\(){}|-]/g, "\\$&") : $f.map(function(i){return i.replace(/[.?*+^$[\]\\(){}|-]/g, "\\$&")}).join("|")) + ")", "g"), typeof($r) == "string" ? $r : typeof($f) == "string" ? $r[0] : function(i){ return $r[$f.indexOf(i)]});
}

function show_hide_div(show, hide){
	$(show).each(function() {
	$(this).show();
	});
	$(hide).each(function() {
	$(this).hide();
	});
}

function enable_disable(enable, disable){
	if(enable!=""){
	$(enable).prop('disabled', false);
	}
	if(disable!=""){
	$(disable).prop('disabled', true);
	}
}

function check_uncheck_checkbox(show, hide){
	$(show).each(function() {
	  $(this).prop('checked', true);
	  //console.log("checked");
	});
	$(hide).each(function() {
	 $(this).prop('checked', false);
	});
}

function check_checkboxen_mit_pruefcheckbox(alle_checkbox, pruef_checkbox){
  if($(alle_checkbox).prop('checked')==true){
    $(pruef_checkbox).each(function() {
      $(this).prop('checked', true);
      //console.log("checked");
    });
  } else {
    $(pruef_checkbox).each(function() {
      $(this).prop('checked', false);
      //console.log("unchecked");
    });
  }
}

function de_date_to_am_date(date){
	date = date.split('.');
	date = date.reverse().join('-');	
	return date;
}

function am_date_to_de_date(date){
	date = date.split('-');
	date = date.reverse().join('.');	
	return date;
}

function ObjectLength( object ) {
    var length = 0;
    for( var key in object ) {
        if( object.hasOwnProperty(key) ) {
            ++length;
        }
    }
    return length;
}
function removeOptions(selectbox)
{
    var i;
    for(i=selectbox.options.length-1;i>=0;i--)
    {
        selectbox.remove(i);
    }
}

function addOptions(selectbox,id,text)
{
	var opt = document.createElement('option');
    opt.value = id;
    opt.innerHTML = text;
    selectbox.appendChild(opt);
}
function isInArray(array, search)
{
    return array.indexOf(search) >= 0;
}
function encode_utf8(s) {
  return unescape(encodeURIComponent(s));
}

function decode_utf8(s) {
  return decodeURIComponent(escape(s));
}
function htmlEscape(str) {
    return str
        .replace(/&/g, '&amp;')
        .replace(/"/g, '&quot;')
        .replace(/'/g, '&#39;')
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;');
}

// I needed the opposite function today, so adding here too:
function htmlUnescape(str){
    return str
        .replace(/&quot;/g, '"')
        .replace(/&#39;/g, "'")
        .replace(/&lt;/g, '<')
        .replace(/&gt;/g, '>')
        .replace(/&amp;/g, '&');
}

function rahmen_transfer(source, target) {
    $(source).effect('transfer', { queue: false, to: $(target) }, 2000);
}
function js_formatedate (date){
	var dd = date.getDate();
    var mm = date.getMonth()+1; 
	var yyyy = date.getFullYear();
    if(dd<10){
        dd='0'+dd
    } 
    if(mm<10){
        mm='0'+mm
    } 
    return yyyy+'-'+mm+'-'+dd;
}
function js_formatedate_ohne_strich (date){
	var dd = date.getDate();
    var mm = date.getMonth()+1; 
	var yyyy = date.getFullYear();
    if(dd<10){
        dd='0'+dd
    } 
    if(mm<10){
        mm='0'+mm
    } 
    return yyyy+""+mm+""+dd;
}

function hexToRgbMitMarker(hex) {
    var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
    return result ? {
        r: parseInt(result[1], 16),
        g: parseInt(result[2], 16),
        b: parseInt(result[3], 16)
    } : null;
}

function hexToRgb(str) { 
    if ( /^#([0-9a-f]{3}|[0-9a-f]{6})$/ig.test(str) ) { 
        var hex = str.substr(1);
        hex = hex.length == 3 ? hex.replace(/(.)/g, '$1$1') : hex;
        var rgb = parseInt(hex, 16);               
        return [(rgb >> 16) & 255, (rgb >> 8) & 255, rgb & 255].join(',');
    } 

    return false; 
}

function arr_diff (a1, a2) {

    var a = [], diff = [];

    for (var i = 0; i < a1.length; i++) {
        a[a1[i]] = true;
    }

    for (var i = 0; i < a2.length; i++) {
        if (a[a2[i]]) {
            delete a[a2[i]];
        } else {
            a[a2[i]] = true;
        }
    }

    for (var k in a) {
        diff.push(k);
    }

    return diff;
}