(function($) {  
    // Limit the amount of categories selected, does not return a jquery object
    $.fn.InstallationCategories = function(options) {
        var defaults = {
            alertmsg: 'U kan maar producten uit 1 categorie selecteren.',      
            maxSelected: 1,
            alert: true
        };
        var options = $.extend(defaults, options);

        var c = 0;
        this.each(function() {
            //for each div, now get the checkboxes that are checked

            if ($(this).children().children(':checkbox:checked').size() > 0) { c = c + 1; }
      $(this).parent().children(":first-child").removeClass('CollapseHeaderError');
        });

        if (c > options.maxSelected) {
             this.each(function() {
      //for each div, collor the selected
                  if ($(this).children().children(':checkbox:checked').size() > 0){
      $(this).parent().parent().children(":first-child").addClass('v');
      $(this).parent().parent().children(":first-child").addClass('CollapseHeaderError');
      }
          });
            if (options.alert) alert(options.alertmsg);
            return false;
        }
        else return true;
    };

    // Calculate the total price, does not return a jquery object
    $.fn.InstallationTotal = function(op) {

        var defaults = {         
            txtInstallationPriceID: '#InstallationPrice',
            txtSingleCostID: '#SingleCost',
            txtVAT1ID: '#TotalInclVAT1',
            txtVAT2ID: '#TotalInclVAT2',
            currency: ' Eur',
            alertmsg: 'Kies een product',      
            alert: true
        };
        var op = $.extend(defaults, op);
         
  var variableReduction = 0;  
        var total = 0;
        this.each(function() {
            $(this).children().children(':checkbox:checked').each(function() {

    var obj = $(this).next().next();
    
    if (obj.next().next().next().next(':name').val() != ''){
      switch (obj.next().next().next().next(':name').val()){
      
      case "fromXthPrice" :
      var discountUnit = obj.next().next().next().next().next(':name').val() - 1;
      var discountPrice = obj.next().next().next().next().next().next(':name').val();
      var amount = parseInt(obj.next(':text').val(), 10);
      var articlePrice = parseFloat(obj.text().replace(op.currency, ''), 10);
            
      var discountedPrice = 0;
      var normalPrice = amount * articlePrice;
      var discountAmount = amount - discountUnit;

      if (discountAmount > 0) {  
        discountedPrice = discountPrice * discountAmount;
        normalPrice = (amount - discountAmount) * articlePrice;
      }
 
      total += normalPrice + discountedPrice;
      break;

      case "forEveryXPrice" :
      var discountUnit = obj.next().next().next().next().next(':name').val();
      var discountPrice = obj.next().next().next().next().next().next(':name').val();
      var amount = parseInt(obj.next(':text').val(), 10);
      var articlePrice = parseFloat(obj.text().replace(op.currency, ''), 10);

      var discountAmount = Math.floor(amount / discountUnit);
      var discountedPrice = discountPrice * discountAmount;
      var normalPrice = (amount - discountAmount) * articlePrice;

      total += normalPrice + discountedPrice;
      break;

      case "VariableReduction" :
      variableReduction = obj.next().next().next().next(':name').val();
                  var articlePrice = parseFloat(obj.text().replace(op.currency, ''), 10);
                  if (obj.next(':text').val() == '') obj.next(':text').val(1);
                  var amount = parseInt(obj.next(':text').val(), 10);
                  total += articlePrice * amount;
      break;

      default :               
                  var articlePrice = parseFloat(obj.text().replace(op.currency, ''), 10);
                  if (obj.next(':text').val() == '') obj.next(':text').val(1);
                  var amount = parseInt(obj.next(':text').val(), 10);
                  total += articlePrice * amount;
      }
    }
    if (obj.parent().children('input[rel=VariableReduction]').length == 2){
      variableReduction = obj.parent().children('input[rel=VariableReduction]')[1].value;
    }
            });
        });

        var prices = $('input[rel=networkPrice]');       
        var prevMaxPrice = 0;
        var installationPrice = total;

  if (installationPrice < 0) {
            if (op.alert) alert(op.alertmsg);
    return false;
        }
   
        var singleCost = 0;
  var grandTotal = total;

        for (var index = 0; index < prices.length; index = index + 1) {

            var arr_price = prices[index].name.split(",");
            var maxPrice = parseInt(arr_price[0], 10);
            var varSingleCost = parseInt(arr_price[1], 10) - (parseInt(arr_price[1], 10) * (variableReduction / 100));

            if (index == 0) {
                if (total > 0 && total <= maxPrice) {
                    grandTotal = total + varSingleCost;
                    singleCost = varSingleCost;
                }
            } else if (index < prices.length - 1) {
                if (total >= prevMaxPrice && total < maxPrice) {
                    grandTotal = total + varSingleCost;
                    singleCost = varSingleCost;
                }
            } else {
                if (total > prevMaxPrice) {
                    grandTotal = total + varSingleCost;
                    singleCost = varSingleCost;
                }
            }
            prevMaxPrice = maxPrice;
        }

          $('input[rel=InstallationPrice]').val(installationPrice.toFixed(2).toString() + op.currency);
          $('input[rel=SingleCost]').val(singleCost.toFixed(2).toString() + op.currency);
          $('input[rel=TotalInclVAT1]').val(grandTotal.toFixed(2).toString() + op.currency);

        var arr_VATS = $('input[rel=vat]');
        
        if (arr_VATS.length == 2) {
               var totalExclVAT = total - (total * (parseInt(arr_VATS[0].name) / 100));
               var totalInclVAT2 = totalExclVAT + (totalExclVAT * (parseInt(arr_VATS[1].name) / 100));
               $('input[rel=TotalInclVAT2]').val(totalInclVAT2.toFixed(2).toString() + op.currency);
           }
     };

})(jQuery);

jQuery.fn.numeric = function(decimal, callback) {
    decimal = decimal || ".";
    callback = typeof callback == "function" ? callback : function() { };
    this.keypress(
    function(e) {
        var key = e.charCode ? e.charCode : e.keyCode ? e.keyCode : 0;
        // allow enter/return key (only when in an input box)
        if (key == 13 && this.nodeName.toLowerCase() == "input") {
            return true;
        }
        else if (key == 13) {
            return false;
        }
        var allow = false;
        // allow Ctrl+A
        if ((e.ctrlKey && key == 97 /* firefox */) || (e.ctrlKey && key == 65) /* opera */) return true;
        // allow Ctrl+X (cut)
        if ((e.ctrlKey && key == 120 /* firefox */) || (e.ctrlKey && key == 88) /* opera */) return true;
        // allow Ctrl+C (copy)
        if ((e.ctrlKey && key == 99 /* firefox */) || (e.ctrlKey && key == 67) /* opera */) return true;
        // allow Ctrl+Z (undo)
        if ((e.ctrlKey && key == 122 /* firefox */) || (e.ctrlKey && key == 90) /* opera */) return true;
        // allow or deny Ctrl+V (paste), Shift+Ins
        if ((e.ctrlKey && key == 118 /* firefox */) || (e.ctrlKey && key == 86) /* opera */
      || (e.shiftKey && key == 45)) return true;
        // if a number was not pressed
        if (key < 48 || key > 57) {
            /* '-' only allowed at start */
            // if (key == 45 && this.value.length == 0) return true;
            /* only one decimal separator allowed */
//            if (key == decimal.charCodeAt(0) && this.value.indexOf(decimal) != -1) {
//                allow = false;
//            }
            // check for other keys that have special purposes
            if (
          key != 8 /* backspace */ &&
          key != 9 /* tab */ &&
          key != 13 /* enter */ &&
          key != 35 /* end */ &&
          key != 36 /* home */ &&
          key != 37 /* left */ &&
          key != 39 /* right */ &&
          key != 46 /* del */
        ) {
                allow = false;
            }
            else {
                // for detecting special keys (listed above)
                // IE does not support 'charCode' and ignores them in keypress anyway
                if (typeof e.charCode != "undefined") {
                    // special keys have 'keyCode' and 'which' the same (e.g. backspace)
                    if (e.keyCode == e.which && e.which != 0) {
                        allow = true;
                    }
                    // or keyCode != 0 and 'charCode'/'which' = 0
                    else if (e.keyCode != 0 && e.charCode == 0 && e.which == 0) {
                        allow = true;
                    }
                }
            }
            // if key pressed is the decimal and it is not already in the field
//            if (key == decimal.charCodeAt(0) && this.value.indexOf(decimal) == -1) {
//                allow = true;
//            }
        }
        else {
            allow = true;
        }
        return allow;
    }
  )
  .blur(
    function() {
        var val = jQuery(this).val();
        if (val != "") {
            var re = new RegExp("^\\d+$|\\d*" + decimal + "\\d+");
            if (!re.exec(val)) {
                callback.apply(this);
            }
        }
    }
  );
    return this;
}