(function($){$.fn.extend({elastic:function(){var _2=new Array("paddingTop","paddingRight","paddingBottom","paddingLeft","fontSize","lineHeight","fontFamily","width");return this.each(function(){if(this.type=="textarea"){var _3=$(this);var _4=parseInt(_3.css("lineHeight"))*2||parseInt(_3.css("fontSize"))*2;var _5=parseInt(_3.css("height"))||_4;var _6=0;var _7=null;function update(){if(!_7){_7=$("<div />").css({"visibility":"hidden","position":"absolute","overflow-x":"hidden"}).appendTo("body");$.each(_2,function(){_7.css(this,_3.css(this));});}
var _8=_3.val().replace(/<|>/g," ").replace(/\n/g,"<br />");if(_7.text()!=_8){_7.html(_8);_6=(_7.height()+_4>_5)?_7.height()+_4:_5;if(_6!=_3.height()){_3.animate({"height":_6},500);}}}
_3.css({overflow:"hidden",display:"block"}).bind("focus",function(){self.periodicalUpdater=window.setInterval(function(){update();},400);}).bind("blur",function(){clearInterval(self.periodicalUpdater);});update();}});}});})(jQuery);