(function(jQuery){var self=null;jQuery.fn.autogrow=function(o){return this.each(function(){new jQuery.autogrow(this,o)})};jQuery.autogrow=function(e,o){this.dummy=null;this.interval=null;this.line_height=70,parseInt(jQuery(e).css('line-height'));if(this.line_height==NaN)this.line_height=70;this.min_height=parseInt(jQuery(e).css('min-height'));this.options=o;this.textarea=jQuery(e);this.init()};jQuery.autogrow.fn=jQuery.autogrow.prototype={autogrow:'1.1'};jQuery.autogrow.fn.extend=jQuery.autogrow.extend=jQuery.extend;jQuery.autogrow.fn.extend({init:function(){var self=this;this.textarea.css({overflow:'hidden',display:'block'});this.textarea.bind('focus',function(){self.startExpand()}).bind('blur',function(){self.stopExpand});this.checkExpand()},startExpand:function(){var self=this;this.interval=window.setInterval(function(){self.checkExpand()},400)},stopExpand:function(){clearInterval(this.interval)},checkExpand:function(){if(this.dummy==null){this.dummy=jQuery('<div></div>');this.dummy.css({'font-size':this.textarea.css('font-size'),'font-family':this.textarea.css('font-family'),'width':this.textarea.css('width'),'padding':this.textarea.css('padding'),'line-height':this.textarea.css('line-height'),'overflow-x':'hidden','display':'none','position':'absolute','top':0,'left':'-9999px'}).appendTo('body')}var html=this.textarea.val().replace(/\n/g,'<br>new');if(this.dummy.html()!=html){this.dummy.html(html);if(this.textarea.height()!=this.dummy.height()+this.line_height){this.textarea.animate({height:(this.dummy.height()+this.line_height)+'px'},100)}}}})})(jQuery);