(function(b){var a=null;b.fn.autogrow=function(c){return this.each(function(){new b.autogrow(this,c)})};b.autogrow=function(c,d){this.options=d||{};this.dummy=null;this.interval=null;this.line_height=this.options.lineHeight||parseInt(b(c).css("line-height"));this.min_height=this.options.minHeight||parseInt(b(c).css("min-height"));this.max_height=this.options.maxHeight||parseInt(b(c).css("max-height"));this.textarea=b(c);if(this.line_height==NaN){this.line_height=0}this.init()};b.autogrow.fn=b.autogrow.prototype={autogrow:"1.2.2"};b.autogrow.fn.extend=b.autogrow.extend=b.extend;b.autogrow.fn.extend({init:function(){var c=this;this.textarea.css({overflow:"hidden",display:"block"});this.textarea.bind("focus",function(){c.startExpand()}).bind("blur",function(){c.stopExpand()});this.checkExpand()},startExpand:function(){var c=this;this.interval=window.setInterval(function(){c.checkExpand()},400)},stopExpand:function(){clearInterval(this.interval)},checkExpand:function(){if(this.dummy==null){this.dummy=b("<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.line_height+"px","overflow-x":"hidden",position:"absolute",top:0,left:-9999}).appendTo("body")}var c=this.textarea.val().replace(/(<|>)/g,"");if(b.browser.msie){c=c.replace(/\n/g,"<BR>new")}else{c=c.replace(/\n/g,"<br>new")}if(this.dummy.html()!=c){this.dummy.html(c);if(this.max_height>0&&(this.dummy.height()+this.line_height>this.max_height)){this.textarea.css("overflow-y","auto")}else{this.textarea.css("overflow-y","hidden");if(this.textarea.height()<this.dummy.height()+this.line_height||(this.dummy.height()<this.textarea.height())){this.textarea.animate({height:(this.dummy.height()+this.line_height)+"px"},100)}}}}})})(jQuery);