/*
        Textarea-maxlength by frequency decoder (http://www.frequency-decoder.com/)
        
        Released under a Creative Commons nc-sa license.
        
        ---------------------------------------------------------------------------
        
        These two functions are called from within the namespace so should really
        be declared within the namespace but I've made an exception here as they
        are functions that will inevitably be used by other scripts.
*/
function addEvent( obj, type, fn, tmp ) {
        if( obj.attachEvent ) {
                obj["e"+type+fn] = fn;
                obj[type+fn] = function(){obj["e"+type+fn]( window.event );}
                obj.attachEvent( "on"+type, obj[type+fn] );
        } else
                obj.addEventListener( type, fn, false );
}

function removeEvent( obj, type, fn ) {
        if( obj.detachEvent ) {
                obj.detachEvent( "on"+type, obj[type+fn] );
                obj[type+fn] = null;
        } else
                obj.removeEventListener( type, fn, false );
}


// Declare the namespace
var fdTextareaController;

(function() {
        function fdTextareaMaxlength(inp, maxlength) {
                this._inp       = inp;
                this._max       = Number(maxlength);
                var self        = this;

                self.maxlength = function() {
                        if(self._inp.disabled) return false;

                        if(self._inp.value.length > self._max) {
                                self._inp.value = self._inp.value.substring(0, self._max);
                                return false;
                        }

                        return true;
                }


                // Has Safari keypress foibles ? Needs tested...
                addEvent(self._inp, 'keypress', self.maxlength, false);

                // Sorry folks, but using the "onblur" event is the only way to cut the text down to size
                // after a users cut & paste action
                addEvent(self._inp, 'blur',     self.maxlength, false);

                // IE only event 'onpaste'

                // Conditional compilation used to load only in IE win.
                // As we don't need the onblur event for IE, we remove it at the same time.

                /*@cc_on @*/
                /*@if (@_win32)
                addEvent(self._inp, 'paste', function(){ setTimeout(self.maxlength, 50); }, true);
                removeEvent(self._inp, 'blur', self.maxlength, false);
                /*@end @*/

                // Call the maxlength function immediately to trim any text inserted server-side to the required length.
                self.maxlength();
        };

        // Construct the previously declared namespace
        fdTextareaController = {
                textareas: [],

                _construct: function( e ) {

                        var regExp_1 = /fd_max_([0-9]+){1}/ig;

                        var textareas = document.getElementsByTagName("textarea");

                        for(var i = 0, textarea; textarea = textareas[i]; i++) {
                                if(textarea.className && textarea.className.search(regExp_1) != -1) {
                                        max = parseInt(textarea.className.match(regExp_1)[0].replace(/fd_max_/ig, ''));
                                        if(max) fdTextareaController.textareas[fdTextareaController.textareas.length] = new fdTextareaMaxlength(textarea, max);
                                }
                        }

                },

                _deconstruct: function( e ) {

                }
        }
})();

// onload events
addEvent(window, 'load', fdTextareaController._construct, false);
addEvent(window, 'unload', fdTextareaController._deconstruct, false);

function clearRadios(name,count){
  var i = 0;
  for(i; i<count; i++)
    if(document.getElementById(name+'_'+i).checked)
      document.getElementById(name+'_'+i).checked = false;
}