/* http://keith-wood.name/maxlength.html
   Textarea Max Length for jQuery v1.0.2.
   Written by Keith Wood (kwood{at}iinet.com.au) May 2009.
   Dual licensed under the GPL (http://dev.jquery.com/browser/trunk/jquery/GPL-LICENSE.txt) and 
   MIT (http://dev.jquery.com/browser/trunk/jquery/MIT-LICENSE.txt) licenses. 
   Please attribute the author if you use it. */
(function($){var f='maxlength';function MaxLength(){this._defaults={max:200,truncate:true,showFeedback:true,feedbackTarget:null,feedbackText:'{r} characters remaining ({m} maximum)',overflowText:'{o} characters too many ({m} maximum)'}}$.extend(MaxLength.prototype,{markerClassName:'hasMaxLength',_feedbackClass:'maxlength-feedback',_fullClass:'maxlength-full',_overflowClass:'maxlength-overflow',setDefaults:function(a){$.extend(this._defaults,a||{});return this},_attachMaxLength:function(c,d){c=$(c);if(c.hasClass(this.markerClassName)){return}c.addClass(this.markerClassName).bind('keypress.maxlength',function(a){if(!e.settings.truncate){return true}var b=String.fromCharCode(a.charCode==undefined?a.keyCode:a.charCode);return(a.ctrlKey||a.metaKey||b=='\u0000'||$(this).val().length<e.settings.max)}).bind('keyup.maxlength',function(){$.maxlength._checkLength($(this))});var e={settings:$.extend({},this._defaults),feedbackTarget:$([])};$.data(c[0],f,e);this._changeMaxLength(c,d)},_changeMaxLength:function(a,b,c){a=$(a);if(!a.hasClass(this.markerClassName)){return}b=b||{};if(typeof b=='string'){var d=b;b={};b[d]=c}var e=$.data(a[0],f);$.extend(e.settings,b);if(e.feedbackTarget.length>0){if(e.hadFeedbackTarget){e.feedbackTarget.empty().val('').removeClass(this._feedbackClass+' '+this._fullClass+' '+this._overflowClass)}else{e.feedbackTarget.remove()}e.feedbackTarget=$([])}if(e.settings.showFeedback){e.hadFeedbackTarget=!!e.feedbackTarget;if($.isFunction(e.settings.feedbackTarget)){e.feedbackTarget=e.settings.feedbackTarget.apply(a[0],[])}else if(e.settings.feedbackTarget){e.feedbackTarget=$(e.settings.feedbackTarget)}else{e.feedbackTarget=$('<span></span>').insertAfter(a)}e.feedbackTarget.addClass(this._feedbackClass)}a.unbind('mouseover.maxlength focus.maxlength mouseout.maxlength blur.maxlength');if(e.settings.showFeedback=='active'){a.bind('mouseover.maxlength',function(){e.feedbackTarget.css('visibility','visible')}).bind('mouseout.maxlength',function(){if(!e.focussed){e.feedbackTarget.css('visibility','hidden')}}).bind('focus.maxlength',function(){e.focussed=true;e.feedbackTarget.css('visibility','visible')}).bind('blur.maxlength',function(){e.focussed=false;e.feedbackTarget.css('visibility','hidden')});e.feedbackTarget.css('visibility','hidden')}this._checkLength(a)},_checkLength:function(a){var b=$.data(a[0],f);var c=a.val();a.toggleClass(this._fullClass,c.length>=b.settings.max).toggleClass(this._overflowClass,c.length>b.settings.max);if(c.length>b.settings.max&&b.settings.truncate){c=c.substring(0,b.settings.max);a.val(c)}var d=(c.length>b.settings.max?b.settings.overflowText:b.settings.feedbackText).replace(/\{c\}/,c.length).replace(/\{m\}/,b.settings.max).replace(/\{r\}/,b.settings.max-c.length).replace(/\{o\}/,c.length-b.settings.max);b.feedbackTarget.toggleClass(this._fullClass,c.length>=b.settings.max).toggleClass(this._overflowClass,c.length>b.settings.max).text(d).val(d)},_destroyMaxLength:function(a){a=$(a);if(!a.hasClass(this.markerClassName)){return}var b=$.data(a[0],f);if(b.feedbackTarget.length>0){if(b.hadFeedbackTarget){b.feedbackTarget.empty().val('').css('visibility','visible').removeClass(this._feedbackClass+' '+this._fullClass+' '+this._overflowClass)}else{b.feedbackTarget.remove()}}a.removeClass(this.markerClassName).unbind('.maxlength');$.removeData(a[0],f)},_settingsMaxLength:function(a){var b=$.data(a,f);return(b||{}).settings}});var g=['settings'];$.fn.maxlength=function(a){var b=Array.prototype.slice.call(arguments,1);if($.inArray(a,g)>-1){return $.maxlength['_'+a+'MaxLength'].apply($.maxlength,[this[0]].concat(b))}return this.each(function(){if(typeof a=='string'){if(!$.maxlength['_'+a+'MaxLength']){throw'Unknown command: '+a;}$.maxlength['_'+a+'MaxLength'].apply($.maxlength,[this].concat(b))}else{$.maxlength._attachMaxLength(this,a||{})}})};$.maxlength=new MaxLength()})(jQuery);