var recenterDialog = function() {};

UtilitiesNS = {};

(function () {

UtilitiesNS.getStackTrace = (function () {

var mode;
try {(0)()} catch (e) {
    mode = e.stack ? 'Firefox' : window.opera ? 'Opera' : 'Other';
}

switch (mode) {
    case 'Firefox' : return function () {
        try {(0)()} catch (e) {
            return e.stack.replace(/^.*?\n/,'').
                           replace(/(?:\n@:0)?\s+$/m,'').
                           replace(/^\(/gm,'{anonymous}(').
                           split("\n");
        }
    };

    case 'Opera' : return function () {
        try {(0)()} catch (e) {
            var lines = e.message.split("\n"),
                ANON = '{anonymous}',
                lineRE = /Line\s+(\d+).*?in\s+(http\S+)(?:.*?in\s+function\s+(\S+))?/i,
                i,j,len;

            for (i=4,j=0,len=lines.length; i<len; i+=2) {
                if (lineRE.test(lines[i])) {
                    lines[j++] = (RegExp.$3 ?
                        RegExp.$3 + '()@' + RegExp.$2 + RegExp.$1 :
                        ANON + RegExp.$2 + ':' + RegExp.$1) +
                        ' -- ' + lines[i+1].replace(/^\s+/,'');
                }
            }

            lines.splice(j,lines.length-j);
            return lines;
        }
    };

    default : return function () {
        var curr  = arguments.callee.caller,
            FUNC  = 'function', ANON = "{anonymous}",
            fnRE  = /function\s*([\w\-$]+)?\s*\(/i,
            stack = [],j=0,
            fn,args,i;

        while (curr) {
            fn    = fnRE.test(curr.toString()) ? RegExp.$1 || ANON : ANON;
            args  = stack.slice.call(curr.arguments);
            i     = args.length;

            while (i--) {
                switch (typeof args[i]) {
                    case 'string'  : args[i] = '"'+args[i].replace(/"/g,'\\"')+'"'; break;
                    case 'function': args[i] = FUNC; break;
                }
            }

            stack[j++] = fn + '(' + args.join() + ')';
            curr = curr.caller;
        }

        return stack;
    };
}

})();
})();

/*
	Debugging methods to print out the present stack trace
*/
function stackTrace(startingPoint)
	{
		var stackTraceMessage = "Stack trace: <br>\n";
		var nextCaller = startingPoint;
		while(nextCaller)
		{
			stackTraceMessage += getSignature(nextCaller) + "<br>\n";
			nextCaller = nextCaller.caller;
		}
		stackTraceMessage += "<br>\n\n";
		
		// display message
                return stackTraceMessage;
		//document.getElementById("output").innerHTML = stackTraceMessage + document.getElementById("output").innerHTML;
	}
	
	function getSignature(theFunction)
	{
		var signature = getFunctionName(theFunction);
		signature += "(";
		for(var x=0; x<theFunction.arguments.length; x++)
		{
			// trim long arguments
			var nextArgument = theFunction.arguments[x];
			if(nextArgument.length > 30)
				nextArgument = nextArgument.substring(0, 30) + "...";
			
			// apend the next argument to the signature
			signature += "'" + nextArgument + "'"; 
			
			// comma seperator
			if(x < theFunction.arguments.length - 1)
				signature += ", ";
		}
		signature += ")";
		return signature;
	}
	
	function getFunctionName(theFunction)
	{
		// mozilla makes it easy. I love mozilla.
		if(theFunction.name)
		{
			return theFunction.name;
		}
		
		// try to parse the function name from the defintion
		var definition = theFunction.toString();
		var name = definition.substring(definition.indexOf('function') + 8,definition.indexOf('('));
		if(name)
			return name;

		// sometimes there won't be a function name 
		// like for dynamic functions
		return "anonymous";
	}

/**
 * openModalDialog
 * Opens a 'modal dialog' over the page.
 * "url" is the url where to take the object to show, via ajax.
 * "options" are arguments passed via ajax to the url if called.
 * "obj", if defined, is directly the DOM object to show (get it with $(obj), duplicate, put it into the form)
 * "form", needed if we're using "obj", if the form from which we copy the onsubmit (a little bit of a hack... we simply copy the onsubmit attr)
 * "onComplete" is called if the whole opening has succeded
 */
function openModalDialog(url, options, obj, form, onComplete) {
  // close all tooltip
  ToolTipCloseAll();
  // close previous modal dialogs
  var oldModal = $('ModalDialogContainer');
  if($defined(oldModal))
    oldModal.remove();
  // check options
  if(!$defined(options))
    options = {};
  // enrich options with section name
  options.sectionName = $('Section').value;
  var border = 10; // 10 px of border both top and bottom
  try {
    // get the 'modal'
    var d = $E('body');
    // get window size
    var left = window.getScrollLeft();
    var top = window.getScrollTop();
    var width = window.getScrollWidth();
    var viewWidth = window.getWidth();
    var height = window.getScrollHeight();
    // add the background
    //var background = new Element('div', {
    //  'id': 'ModalDialogBackground',
    //  'styles': {
    //    opacity: 0,
    //    display: 'block',
    //    position: 'fixed',
    //    left: '0px',
    //    top: '0px',
    //    width: '100%',
    //    height: '100%',
    //    'z-index': 10,
    //    'background-color': 'black'
    //  },
    //  id: 'ModalDialogBackground'
    //});
    //d.adopt(background);

    // add the form to display via ajax
    var newDiv = new Element('div', {
      'id': 'ModalDialogContainer',
      'styles': {
        position: 'absolute',
        float: 'left',
        opacity: 1,
        top: '' + (border + Window.getScrollTop()) + 'px',
        'background-color': 'white',
        'z-index': -10 // to avoid being seen till ready
      }
    });
    d.adopt(newDiv);
    // function which finalize the aspect once the (potential) ajax is completed
    var realCompletedFunction = function() {
      // reposition the element at the center of the page
      var form = newDiv.getFirst();
      var formWidth = form.getSize().scrollSize.x;
      newDiv.setStyle('left', Math.max(0, (viewWidth-formWidth)/2));
      // recompute height of hiding screen now
      height = window.getScrollHeight();
      //background.setStyle('height', height+border);
      // really show it
      newDiv.setStyle('z-index', 20);
      // make it draggable
      new Drag.Base(newDiv, {
        handle: $E('#ModalDialogContainer .box-header')
      });
      // make it resizable
      //var mdc = $('ModalDialogContainer');
      //mdc.makeResizable({handle: mdc.getElement('.resize_corner')});
      // ok, we've done everything
      if($defined(onComplete))
        onComplete();
    };
    recenterDialog = realCompletedFunction;
    // wrapper to wait for the update part of the AJAX to be ready
    var delayToWait = 50;
    var completedFunction = function() {
      //alert(stackTrace(arguments.callee));
      if($defined(newDiv.getFirst())) {
        realCompletedFunction();
      } else {
        completedFunction.delay(delayToWait);
        delayToWait *= 2;
      }
    }
    if(!$defined(obj)) {

      new AjaxReload(url, {
        method: 'post',
        data: Object.toQueryString(options),
        update: newDiv,
        evalScripts: true,
        onSuccess: completedFunction,
        onFailure: function(transport) {
          text = transport.responseText;
          newDiv.setHTML('<form>' + text + '<p><input type="button" value="Close" onclick="javascript:closeModalDialog()"/></p></form>');
          newDiv.setStyle('left', viewWidth/4);
          newDiv.setStyle('width', viewWidth/2);
          height = window.getScrollHeight();
          //background.setStyle('height', height+border);
        }
      }).request();
    } else {
      var text;
      var obj_onsubmit;
      var newobj;
      if($type(obj) == "string" && !$defined($(obj))) {
        text = obj;
        obj_onsubmit = function() {};
        newobj = new Element('div');
        newobj.innerHTML = text;
      } else {
        // possibly resolve it
        obj = $(obj);
        text = obj.innerHTML;
        obj_onsubmit = obj.onsubmit;
        // dup
        newobj = obj.clone();
      }

      // evaluate scripts
      var scripts = [];
      var regexp = /<script[^>]*>([\s\S]*?)<\/script>/gi;
      while ((script = regexp.exec(text))) scripts.push(script[1]);
      scripts = scripts.join('\n');
      if(window.execScript)
        window.execScript(scripts);
      else
        window.setTimeout(scripts, 0);

      newobj.onsubmit = obj_onsubmit;
      // move it inside the form
      newobj.injectInside(newDiv);
      // copy onsubmit
      var theForm = $E('#ModalDialogContainer form');
      if($defined(theForm))
        theForm.onsubmit = form.onsubmit;
      // center!
      realCompletedFunction();
    }
    // ok, show it
    d.setStyle('display', 'block');
    //new Fx.Style(background, 'opacity', {duration: 300}).start(0.85);
  } catch(e) {
    alert(e);
  } finally {
    return false;
  }
}

function closeModalDialog() {
  tinyMCE.editors.each(function(editor, k) {
    requestDebug("barraca, barraca destroy: ", editor);
    var e = tinyMCE.remove(editor);
    if($defined(e))
      e.destroy();
  });
  tinyMCE.editors = [];

  mdc = $('ModalDialogContainer');
  if($defined(mdc)) mdc.remove();
  mdb = $('ModalDialogBackground');
  if($defined(mdb)) mdb.remove();
  recenterDialog = function() {};
}



/* Autocompletion functions: CAP, VAT, ... */

var AutocompleteNS = {
  // bind these HTML elements so that city+country computes to zipcode and country+zipcode computes to city.
  bindForZipcode: function(city, country, zipcode)
  {
    city = $(city);
    country = $(country);
    zipcode = $(zipcode);
    if($defined(city.bindedForZipcode)) {
      requestDebug('skipping bindForZipcode'); return;
    }
    update_zipcode = function() {
      new AjaxReload('http://www.cuboware.com/reQUEST/model/Zipcodes/get_zipcode_by_city', {
        data: Object.toQueryString({city: city.value, country: country.value}),
        onComplete: function(text, xml) { zipcode.value = text; }
      }).request();
    };
    update_city = function() {
      new AjaxReload('http://www.cuboware.com/reQUEST/model/Zipcodes/get_city_by_id', {
        data: Object.toQueryString({id: zipcode.value, country: country.value}),
        onComplete: function(text, xml) { city.value = text; }
      }).request();
    };
    city.addEvent('change', update_zipcode);
    country.addEvent('change', update_zipcode);
    /*zipcode.addEvent('change', update_city);*/
    city.bindedForZipcode = true;
  },

  // bind those elements together so the change of any parameter brings an update in the vat
  bindForVAT: function(country, zipcode, city, surname, firstname, birthdate, birthdate_displayed, sex_radios, vat) {
    if($defined(country.bindedForVAT)) {
      requestDebug('skipping bindForVAT'); return;
    }
    update = function() {
      new AjaxReload('http://www.cuboware.com/reQUEST/model/get_vat', {
        data: Object.toQueryString({
          country: country.value,
          surname: surname.value,
          name: firstname.value,
          birthdate: birthdate.value,
          sex: sex_radios.filter(function(x) { return x.checked; })[0].value,
          birthplace: city.value
        }),
        onSuccess: function(text, xml) {
          vat.value = text;
        }
      }).request();
    };
    country.addEvent('change', update);
    zipcode.addEvent('change', update);
    city.addEvent('change', update);
    surname.addEvent('change', update);
    firstname.addEvent('change', update);
    birthdate_displayed.forEach(function(x) { x.addEvent('change', update); });
    sex_radios.forEach(function(x) { x.addEvent('change', update); });
    country.bindedForVAT = true;
  },

  // bind those elements together so the change of any parameter brings an update in the vat
  bindForVATAmount: function(price, vat_amount, percentage, fix_amount, fix_thresold, vat_percentage, typ, number, total_price) {
    price = $(price);
    if($defined(price.bindedForVATAmount)) {
      requestDebug('skipping bindForVATAmount'); return;
    }
    update = function() {
      var new_price = price.value.toFloat();
      if(vat_percentage)
        var new_percentage = vat_percentage.value.toFloat();
      else var new_percentage = percentage;
      var new_vat_amount = new_price * new_percentage/100;
      if(fix_amount != null && new_price > fix_thresold)
        new_vat_amount = new_vat_amount + fix_amount;
      vat_amount.value = Math.round(Math.round(new_vat_amount*1000)/10)/100;
      if($defined(total_price)) total_price.value = new_price + new_vat_amount;     
    };
    update_by_vat_amount = function() {
      var new_price = price.value.toFloat();
      if(new_price) {
        var new_vat_amount = $(vat_amount).value.toFloat();
        if(fix_amount != null && new_price > fix_thresold)
          new_vat_amount = new_vat_amount - fix_amount;
        var new_percentage = new_vat_amount*100/new_price;
        new_percentage = Math.round(Math.round(new_percentage*1000)/10)/100;
        vat_percentage.value = new_percentage;
        if($defined(total_price)) total_price.value = new_price + new_vat_amount;     
      }
    };
    update_number = function() {
      new AjaxReload('http://www.cuboware.com/reQUEST/model/Invoices/get_max_number', {
        data: Object.toQueryString({'typ': typ.value}),
        onComplete: function(text, xml) { number.value = text? text.toInt()+1 : 1; }
      }).request();
    };
    update_by_total_price = function() {
      var new_total_price = total_price.value.toFloat();
      if(vat_percentage)
        var new_percentage = vat_percentage.value.toFloat();
      else var new_percentage = percentage;
      var new_price = new_total_price * 100.0 / (100.0+new_percentage);
      var new_vat_amount = new_price * new_percentage/100;
      if(fix_amount != null && new_price > fix_thresold) {
        new_vat_amount = new_vat_amount + fix_amount;
        new_price =  new_price - fix_amount;
      }
      vat_amount.value = Math.round(Math.round(new_vat_amount*1000)/10)/100;      
      price.value = new_total_price - Math.round(Math.round(new_vat_amount*1000)/10)/100;   
    }
    price.addEvent('change', update);
    if(vat_percentage) {
      vat_percentage.addEvent('change', update);
      vat_amount.addEvent('change', update_by_vat_amount);
    }
    if($defined(typ)) {
      typ.addEvent('change', update_number);
    }
    if($defined(total_price)) {
      total_price.addEvent('change', update_by_total_price);
    }
    price.bindedForVATAmount = true;
  },

  bindForCheckout: function(percentage, fix_amount, fix_thresold, price, booking_fee, extras, net_price, tax, total_price, earnest_money, to_be_paid, vat_percentage) {
    price = $(price);
    if($defined(price.bindedForCheckout)) {
      requestDebug('skipping bindForCheckout'); return;
    }
    update_total = function() {
      new_price = price.value.toFloat();
      new_booking_fee = booking_fee.value.toFloat();
      new_extras = extras.value.toFloat();
      new_earnest_money = earnest_money.value.toFloat();
      new_total_price = new_price+new_booking_fee+new_extras;
      new_to_be_paid = new_total_price - new_earnest_money;

      if(vat_percentage)
        new_percentage = $(vat_percentage).value.toFloat();
      else new_percentage = percentage;

      // FIXME per ricevute dovrebbe usare new_total_price e non new_to_be_paid
      tbp = new_to_be_paid;
      new_vat_amount = tbp * (1 - 1/(1+new_percentage/100));
      if(fix_amount != null && tbp > fix_thresold)
        new_vat_amount = new_vat_amount + fix_amount;
      new_net_price = tbp - new_vat_amount;

      //net_price.innerHTML = floatToDecimal(new_net_price,2);
      tax.value = floatToDecimal(new_vat_amount,2);
      total_price.innerHTML = floatToDecimal(new_total_price,2);
      to_be_paid.innerHTML = floatToDecimal(new_to_be_paid,2);
    };
    update_tax = function() {
      new_price = price.value.toFloat();
      new_booking_fee = booking_fee.value.toFloat();
      new_extras = extras.value.toFloat();
      new_total_price = new_price+new_booking_fee+new_extras;
      //new_net_price = new_total_price - tax.value.toFloat();
      net_price.innerHTML = floatToDecimal(new_net_price,2);
    };

    price.addEvent('change', update_total);
    booking_fee.addEvent('change', update_total);
    extras.addEvent('change', update_total);
    earnest_money.addEvent('change', update_total);
    tax.addEvent('change', update_tax);
    price.bindedForCheckout = true;
  },



  // make a standard bind for zipcode, that is, between fields called 'field[_name]_city', 'field[_name]_country',
  // and 'field[_name]_zipcode'
  standardZipcodeBind: function(name) {
    city = ['field'];
    country = ['field'];
    zipcode = ['field'];
    if($defined(name)) {
      city.push(name);
      country.push(name);
      zipcode.push(name);
    }
    city.push('city');
    country.push('country');
    zipcode.push('zipcode');
    city = city.join('_');
    country = country.join('_');
    zipcode = zipcode.join('_');
    AutocompleteNS.bindForZipcode(
      $E('#ModalDialogContainer [name=' + city + ']'),
      $E('#ModalDialogContainer [name=' + country + ']'),
      $E('#ModalDialogContainer [name=' + zipcode + ']')
    );
  },

  // make a bind for rate, price, nights and guests
  bindForRate: function(rate, price, nights, guests, internet_fee, mode, room_id, checkin, earnest_money) {
    update_price_by_rate = function() {
      var r = rate.value.toFloat();
      var g = guests.value.toInt();
      var n = nights.value.toInt();
      if(!n) n = 1;
      var f = internet_fee.value.toFloat();
      price.value = floatToDecimal(f+r*g*n,2);
      if($defined(earnest_money) && earnest_money.value.toFloat() > price.value.toInt())
        earnest_money.value = price.value;
    };
    update_rate_by_price = function() {
      var p = price.value.toFloat();
      var g = guests.value.toInt();
      var n = nights.value.toInt();
      if(!n) n = 1;
      var f = internet_fee.value.toFloat();
      rate.value = floatToDecimal((p-f)/g/n,2);
    };
    update_rate_and_price = function() {
      var r = rate.value.toFloat(); 
      if($defined(mode) && mode.value == 'Recompute')
        r = r; // FIXME must do: price = container.model.room.get_price(id=room_id, start=checkin, nights=nights, guests=guests, rent_whole_room_only=rent_whole_room_only)
      rate.value = floatToDecimal(r,2);
      update_price_by_rate();
    };
    price.addEvent('change', update_rate_by_price);
    rate.addEvent('change', update_price_by_rate);
    nights.addEvent('change', update_rate_and_price);
    guests.addEvent('change', update_rate_and_price);
    if($defined(room_id))
      room_id.addEvent('change', update_rate_and_price);
    checkin.addEvent('change', update_rate_and_price);
  },

  bindForPaid: function(form, price, paid, tobepaid) {
   update_tobepaid = function() {
      var myprice = price.textContent.toFloat();
      var mypaid = paid.value.toFloat();
      var tot = floatToDecimal(myprice - mypaid ,2);
      if (tot < 0) 
        tot = 0;
      if (isNaN(tot))
        tot = myprice;
      tobepaid.textContent = tot;
    };
    form.addEvent('reset', update_tobepaid);
    paid.addEvent('blur', update_tobepaid);
  },

  // make a bind for rate, price, nights and guests, paid, tobepaid
  bindForPayment: function(form, rate, price, nights, guests, internet_fee, mode, room_id, checkin, earnest_money, paid, tobepaid) {
    
    update_tobepaid = function() {
      var myprice = price.value.toFloat();
      var mypaid = paid.value.toFloat();
      var tot = floatToDecimal(myprice - mypaid ,2);
      if (tot < 0) 
        tot = 0;
      if (isNaN(tot))
        tot = myprice;
      tobepaid.textContent = tot;
    };
    form.addEvent('reset', update_tobepaid);
    paid.addEvent('blur', update_tobepaid);
    price.addEvent('change', update_tobepaid);

    update_paid_and_tobepaid_by_price = function(myprice) {
      var mypaid = paid.value.toFloat();
      var tot = floatToDecimal(myprice - mypaid ,2);
      if (tot < 0) 
        tot = 0;
      if (isNaN(tot))
        tot = myprice;
      tobepaid.textContent = tot;
    };

    update_price_by_rate = function() {
      var r = rate.value.toFloat();
      var g = guests.value.toInt();
      var n = nights.value.toInt();
      if(!n) n = 1;
      var f = internet_fee.value.toFloat();
      price.value = floatToDecimal(f+r*g*n,2);
      if($defined(earnest_money) && earnest_money.value.toFloat() > price.value.toInt())
        earnest_money.value = price.value;
      update_paid_and_tobepaid_by_price(price.value.toFloat());
    };
    update_rate_by_price = function() {
      var p = price.value.toFloat();
      var g = guests.value.toInt();
      var n = nights.value.toInt();
      if(!n) n = 1;
      var f = internet_fee.value.toFloat();
      rate.value = floatToDecimal((p-f)/g/n,2);
    };
    update_rate_and_price = function() {
      var r = rate.value.toFloat(); 
      if($defined(mode) && mode.value == 'Recompute')
        r = r; // FIXME must do: price = container.model.room.get_price(id=room_id, start=checkin, nights=nights, guests=guests, rent_whole_room_only=rent_whole_room_only)
      rate.value = floatToDecimal(r,2);
      update_price_by_rate();
      update_paid_and_tobepaid_by_price(price.value.toFloat());
    };
    price.addEvent('change', update_rate_by_price);
    rate.addEvent('change', update_price_by_rate);
    nights.addEvent('change', update_rate_and_price);
    guests.addEvent('change', update_rate_and_price);
    if($defined(room_id))
      room_id.addEvent('change', update_rate_and_price);
    checkin.addEvent('change', update_rate_and_price);

  },

  bindForCitySearch: function(container, country_field, city_field, zipcode_field) {
    country_field = $(country_field);
    city_field = $(city_field);
    zipcode_field = $(zipcode_field);
    city_field.addEvent('change', function() {
      new AjaxReload("http://www.cuboware.com/reQUEST/contextmenu/get_city_list", {
        evalScripts: true,
        update: container,
        data: Object.toQueryString({'city': city_field.value}),
        onComplete: function(text) {
          var timer = (function() {
            var citylist = $('citylist');
            if(!$defined(citylist))
              return;
            $clear(timer);
            citylist.getElements('input[type=radio]').each(function(radio) {
              radio.addEvent('click', (function(event) {
                var fields = event.target.value.split('@@@@');
                if($defined(city_field)) city_field.value = fields[1];
                if($defined(zipcode_field)) zipcode_field.value = fields[2];
              }).bindWithEvent(radio));
            });
          }).periodical(300);
        }
      }).request();
    });
  },

  bindForUserSearch: function(fields, userChosenCallback) {
    requestDebug('bindForUserSearch(', fields, ')');
    // get out HTML elements
    for(var key in fields)
      fields[key] = $E('#ModalDialogContainer [name=' + fields[key] + ']');
    requestDebug('fields is', fields);

    // make the additional div which will contain the results
    var search_result_div = new Element('div', {id: 'add_reservation_search_list'});
    var fieldset = null; for(var key in fields) { fieldset = fields[key]; break; }
    while(fieldset.getTag() != 'fieldset') fieldset = fieldset.getParent();
    search_result_div.injectAfter(fieldset.getLast());

    // function to run the search
    run_search = function(values) {
      requestDebug('values is', values);
      if($defined(fields.language)) fields.language.focus();
      // empty == null in this case
      for(var key in values) if(values[key] == '') values[key] = null;

      // no arguments? no call.
      var ok = false;
      for(var key in values) { ok = true; break; }
      if(!ok) return;

      // run the search
      new AjaxReload("http://www.cuboware.com/reQUEST/contextmenu/get_user_list", {
        evalScripts: true,
        update: search_result_div,
        data: Object.toQueryString(values),
        onComplete: function() {
          (function() {
            // every radio can fill the form
            var first = true;
            $$('#add_reservation_search_list input[type=radio]').forEach(function(radio) {
              var f = function() {
                var data = this.getAttribute('class').split('@@@@');
                var id = data[15];
                data = { customer_id : data[15], email: data[1], mobile: data[2], surname: data[3], language: data[4], city: data[5], address: data[6], id_type: data[7], id_number: data[8], name: data[9], sex: data[10], nationality: data[11], birthplace_country: data[12], birthplace_city: data[13], birthdate: data[14], country: data[16]};
                for(var key in data)
                  if($defined(fields[key])) {
                    requestDebug('settings fields[', key, '].value (=', fields[key], ') = ', data[key]);
                    fields[key].value = data[key];
                  }
                
                if($defined(userChosenCallback)) userChosenCallback(id, data);
              }
              radio.addEvent('click', f);
              //if(first) { f.bind(radio)(); first = false; } // autoselect first entry
              if(first) { radio.checked = false; first = false; } // autodeselect first entry
            });
          }).delay(200);
        }
      }).request();
    }

    // add handler
    var make_func = function(key) {
      return function() { var arg = {}; arg[key] = fields[key].value; run_search(arg); }
    }
    var search_fields = {'email': null, 'surname': null, 'mobile': null};
    for(var key in search_fields)
      if($defined(fields[key]))
        fields[key].addEvent('blur', make_func(key));

  },

  bindForSmsToOperators: function(form, operators, numsms)
  {
    if($defined(operators.bindedForSmsToOperators)) {
      requestDebug('skipping bindForSmsToOperators'); return;
    }
    update_numsms = function() {
      var n = 0;
      for(var i=0; i<operators.options.length; i++)
        if (operators.options[i].selected) n=n+1;
       
      numsms.setHTML(n);
    };
    form.addEvent('reset', update_numsms);
    operators.addEvent('change', update_numsms);
    operators.bindedForSmsToOperators = true;
  }
};


function launchReallyReadyEvent() {
//  window.fireEvent('domreallyready');
}


// A mechanism for big pages to display as a substitute of the
// body slot
var BodyslotSubstituteNS = {
    // close the bodyslot substitute
    close: function() {
        // put back the rest of the page as printable
        $('container').removeClass('print-hidden');
        // remove the slot
        var div = $('bodyslotsubstitute');
        if($defined(div))
            div.remove();
    },

    // open the bodyslot substitute
    openWithUrl: function(url, data, ajaxReloadParameters) {
        // put all the rest of the page as non-printable
        $('container').addClass('print-hidden');

        // check whether the object is already existing
        var alreadyExisting = $defined($('bodyslotsubstitute'));
        var dataDiv = null;
        if(!alreadyExisting)
        {
            var bodyslot = $('bodyslot');
            if (bodyslot == null)
               bodyslot = $('BodySlot');
            var bodyslotPosition = bodyslot.getPosition();
            var x = bodyslotPosition.x;
            var y = 20+window.getScrollTop(); //+ bodyslotPosition.y ;
            var bodyslotSize = bodyslot.getSize().size;
            var width = bodyslotSize.x;
            // create the div for the slot
            var container = new Element('div', {
                id: 'bodyslotsubstitute',
                style: 'position: absolute; z-index: 10; background-color: white; left: ' + (x+20) + 'px; top: ' + y + 'px; width: ' + (width-40) + 'px; border: 2px solid black;'
            });
            // put the 'close' stuff
            container.setHTML("<div id='bodyslotsubstitutebuttons'><a href='#' onclick='BodyslotSubstituteNS.close(); return false;'><img style='float: right' src='http://www.cuboware.com/reQUEST/style/cancel' alt='cancel'/></a></div><div id='bodyslotsubstitute_data' style='clear: both'></div>");
            var children = container.getChildren();
            for(var i = 0; i < children.length; i++)
            {
                var d = children[i];
                if(d.id == 'bodyslotsubstitute_data')
                {
                    dataDiv = d;
                    break;
                }
            }
            // put it in the DOM at the top
            container.injectTop($E('body'));
        }
        else
            dataDiv = $('bodyslotsubstitute_data');
        // make the request and fill
        if(ajaxReloadParameters == null)
            ajaxReloadParameters = {};
        ajaxReloadParameters.update = dataDiv;
        ajaxReloadParameters.evalScripts = true;
        if($defined(data))
            ajaxReloadParameters.data = Object.toQueryString(data);
        console.method = 'post';
        new AjaxReload(url, ajaxReloadParameters).request();
        // btw, close all tooltips
        ToolTipCloseAll();
    }
}

/* Autotranslate functions */

var AutotranslateNS = {
  doTranslation: function(text, language, translated_widget, signature) {
    if(signature) text += '\n(translated by Google)';
    google.language.detect(text, function(result) {
      if (!result.error && result.language) {
        google.language.translate(text, result.language, language,
          function(result) {
            if (result.translation)
              translated_widget.value = result.translation.unescapeHTML();
          });
      }
    });
  },

  // a map between field names and a boolean: if the user has manually changed a field (rather than letting it be edited by google translate)
  _editedFields: {},

  // whether we're currently applying translations
  _translating: false,
  
  bindForTranslation: function (autotranslate_name, multilingual_name_prefix, signature) {
    if(!$defined(google))
      return;
    if(!$defined(signature)) signature = 1;
    var languages = ['it'];
    // reset the _editedFields
    languages.forEach(function(lang) {
      AutotranslateNS._editedFields['field_' + multilingual_name_prefix + '_' + lang] = false;
    });
    // bind translation code
    for(var i = 0; i < languages.length; i++) {
      var w = $E('textarea[name=field_'+multilingual_name_prefix+'_'+languages[i]+']');
      if($defined(w)) {
        w.addEvent('change', function(event) {
          if(AutotranslateNS._translating) return;
          AutotranslateNS._translating = true;
          var autotranslate = $('field_'+autotranslate_name).checked;
          // mark the field as edited (user entered some input) or not edited (user left the field blank)
          AutotranslateNS._editedFields[this.getAttribute('name')] = this.value > '';
          // check whether to translate the field and do it if necessary
          if(autotranslate && this.value > '') {
            for(var j = 0; j < languages.length; j++) {
              var fieldname = 'field_' + multilingual_name_prefix + '_' + languages[j];
              var ww = $E('textarea[name=' + fieldname + ']');
              if(!$defined(ww))
                requestDebug("bindForTranslation: node", fieldname, "not found");
              // translate the field only if it is empty or not marked as edited by the user
              if(ww.value == '' || !AutotranslateNS._editedFields[fieldname]) {
                AutotranslateNS.doTranslation(this.value, languages[j], ww, signature);
              }
            }
          }
          AutotranslateNS._translating = false;
        }.bind(w));
      }
    }
  }
}


/**
*
*  AJAX IFRAME METHOD (AIM)
*  http://www.webtoolkit.info/
*
**/

AIM = {

    // this variable is set to "true" by the forms's code, and back to "false" just before making an AIM request 
    loadingCompleted : false,

    frame : function(c) {
        var n = 'f' + Math.floor(Math.random() * 99999);
        var d = window.document.createElement('div');
        d.innerHTML = '<iframe style="display: none;" src="about:blank" id="'+n+'" name="'+n+'"></iframe>';
        while(true)
        {
          window.document.body.appendChild(d);
          var i = window.document.getElementById(n);
          if(!$defined(i))
            continue;
          else
            break;
        }
        requestDebug('got the iframe', i);
        //this.i = i;
        var doc = this._documentFromIframe(i);
        var bod = $(doc.body);
        // cannot use mootools machinery because explorer
        // doesn't like inter-frame element injection, and
        // all "new Element" elements are created using main
        // frame, whereas we are working on an inner frame.
        bod.innerHTML = bod.innerHTML + "<div class='aimcheckpresence'>";

        if (c && typeof(c.onComplete) == 'function') {
            i.onComplete = c.onComplete;
        }
        if (c && typeof(c.onFailure) == 'function') {
            i.onFailure = c.onFailure;
        }

        return n;
    },

    form : function(f, url, name) {
        f.setAttribute('target', name);
        f.setAttribute('action', url);
    },

    submit : function(url, f, c) {
        requestDebug('resetting the loading completed flag');
        AIM.loadingCompleted = false;
        dw = window;
        var n = AIM.frame(c);
        AIM.form(f, url, n);
        if (c && typeof(c.onStart) == 'function') {
            c.onStart();
        } else {
            true;
        }
        /*
        var formClone = new Element('form', {
            method: f.method,
            enctype: f.enctype,
            action: f.action,
            target: f.target,
            'class': 'cloned',
            styles: {display: 'none'}
        });
        formClone.inject($E('body'));
        var cloner = function(inp) {
            inp.clone().injectInside(formClone);
        };
        f.getElements('input').forEach(cloner);
        f.getElements('select').forEach(cloner);
        f.getElements('textarea').forEach(cloner);
        */
        f.submit();
        //formClone.submit();
        var aimchecktimer = function() {
            i = $(n);
            if(!$defined(i)) {
                requestDebug("i not defined");
                return;
            }
            else
                requestDebug("check for", n);
            var nodes = this._documentFromIframe(i).body.childNodes;
            //requestDebug('nodes.length =', nodes.length, '; loadingCompleted =', AIM.loadingCompleted);
            //if(nodes.length > 0) requestDebug('nodes[0] =', nodes[0], '; nodes[0].nodeType =', nodes[0].nodeType);
            if(nodes.length == 0 || nodes[0].tagName == 'PRE' || nodes[0].tagName == 'H2' || ($defined(nodes[0].getAttribute) && nodes[0].getAttribute('class') != 'aimcheckpresence' && AIM.loadingCompleted)) {
                // finished loading
                if(this.loaded(n)) {
                    $clear(aimchecktimer);
                    //formClone.remove();
                    i.remove();
                }
            }
        }.periodical(300, this);
    },

    _documentFromIframe: function(i) {
        if($defined(i.name)) return frames[i.name].document;
        else if ($defined(i.document)) {
            return i.document;
        } else if ($defined(i.contentDocument)) {
            return i.contentDocument;
        } else if ($defined(i.contentWindow)) {
            return i.contentWindow.document;
        } else {
            return window.frames[id].document;
        }
    },

    loaded : function(id) {
        var i = document.getElementById(id);
        var d = this._documentFromIframe(i);

        // <REQUEST SPECIFIC>
        if(d.getElementById('error_extra'))
        {
          if(typeof(i.onFailure) == 'function') {
            i.onFailure(d.body.innerHTML);
          }
        }
        else
        // </REQUEST SPECIFIC>

        if (typeof(i.onComplete) == 'function') {
            i.onComplete(d.body.innerHTML);
        }
        return true;
    }

}

var requestDebug = function() { };
var isChrome = navigator.userAgent.toLowerCase().indexOf('chrome') > -1;
if(!isChrome && $defined(window.console) && $defined(console.debug))
  requestDebug = console.debug;

WizardNS = {
  // the group of the wizard we're currently editing
  current_group: null,

  // the step of the wizard we're currently editing
  current_step: null,

  // data of the current wizard: a list of steps, where each step is
  // an object with two keys, "group", the name of the group in this
  // step, and "fields", a map between field names and values
  steps: [],

  // given an element, find the form it's in
  _getFormFromElement: function(el) {
    el = $(el);
    while($defined(el.getTag) && el.getTag() != 'form')
      el = el.getParent();
    if(!$defined(el.getTag))
      return null;
    else
      return el;
  },

  // eval the <script> tags inside an HTML. 
  _evalScripts: function(text) {
    var script, scripts;
    scripts = [];
    var regexp = /<script[^>]*>([\s\S]*?)<\/script>/gi;
    while ((script = regexp.exec(text))) scripts.push(script[1]);
    scripts = scripts.join('\n');
    if (scripts) (window.execScript) ? window.execScript(scripts) : window.setTimeout(scripts, 0);
  },

  // make a toQueryString in the form fashion over an object
  toQueryString: function(o) {
    var queryString = [];
    for(var key in o) {
      var name = key;
      var value = o[key];
      if (value === false || !name) continue;
      var qs = function(val) {
        queryString.push(name + '=' + encodeURIComponent(val));
      };
      if ($type(value) == 'array') value.each(qs);
      else qs(value);
    };
    return queryString.join('&');
  },

  _stepsToObject: function() {
    var o = {};
    WizardNS.steps.each(function(step, nstep) {
      if(nstep <= WizardNS.current_step)
        for(var key in step.fields)
          if(key.indexOf('field_') == 0 || key.indexOf('subfield_') == 0)
            o['group_' + step.group + '_step_' + nstep + '_' + key] = step.fields[key];
          else
            o[key] = step.fields[key];
    });
    return o;
  },

  _sendWizardData: function(wizard_step_url, go_back) {
    var data = WizardNS.toQueryString(WizardNS._stepsToObject());
    requestDebug('steps = ',WizardNS.steps);
    if(go_back)
      data = [data, 'go_back=1'].filter(function(x) { return x.length; }).join('&');
    requestDebug(data);
    new AjaxReload(wizard_step_url, {
      data: data,
      evalScripts: false,
      onComplete: function(text, xml) {
        var slot = $('wizardslot');
        if(!$defined(slot)) {
          requestDebug("**ERROR**");
          requestDebug("$('wizardslot') == null! no place where to put the received HTML!");
          requestDebug("**ERROR**");
        }
        var ret = Json.evaluate(text);
        if(ret.type == 'form') {
          slot.setHTML(ret.value);
          WizardNS._evalScripts(ret.value);
        } else if(ret.type == 'result')
          Json.evaluate("function() {" + ret.value + "}")();
      }
    }).request();
  },

  // submit current page.
  // el - an element belonging to the form.
  submitPage: function(el, wizard_step_url) {
    // add current form data to the set of data
    var form = WizardNS._getFormFromElement(el);
    var fields = {};
    form.getFormElements().each(function(el) { if($defined(el.name) && el.name.length > 0) { 
      if(el.type != 'radio' || el.checked)
        fields[el.name] = el.getValue(); 
    } });
    var data = {'group': form.getElement('input[name=group]').getValue(), 'fields': fields};
    if(WizardNS.steps.length > WizardNS.current_step)
      WizardNS.steps[WizardNS.current_step] = data;
    else
      WizardNS.steps.push(data);
    WizardNS._sendWizardData(wizard_step_url);
  },

  // go back one step
  goBack: function(el, wizard_step_url) {
    // pop data after that
    while(WizardNS.steps.length > WizardNS.current_step)
      WizardNS.steps.pop();
    // simulate a send
    WizardNS._sendWizardData(wizard_step_url, true);
  }
};

// not used
function initializeFileDrag(draggable, handle)
{
  el = $(el);
  requestDebug('initializing file drag', el);
  new Drag.Base(el, {
    
  });
}

function moveFile(direction, move_file_url, fid, oid, num)
{
  try
  {
    // make ajax call to perform operation
    new AjaxReload(move_file_url, {
      data: Object.toQueryString({'direction': direction, 'fid': fid, 'oid': oid}),
      update: $('playlist')
    }).request();
    // graphical effect
    requestDebug('graph');
    var el1 = $('file_container_' + num);
    requestDebug('graph', el1);
    var el2 = $('file_container_' + (num + direction));
    requestDebug('graph', el2);
    var h = Math.abs(el2.getPosition().y-el1.getPosition().y);
    requestDebug('graph', h);
    var fx1 = new Fx.Style(el1, 'top');
    var fx2 = new Fx.Style(el2, 'top');
    fx1.start(h*direction);
    fx2.start(-h*direction);
    requestDebug('graph all done');
 }
  catch(e)
  {
    requestDebug("error in moveFile!", e);
  }
  finally
  {
    return false;
  }
}