function $RF(B,A){if($(B).type&&$(B).type.toLowerCase()=="radio"){var A=$(B).name;var B=$(B).form}else{if($(B).tagName.toLowerCase()!="form"){return false}}var C=$(B).getInputs("radio",A).find(function(D){return D.checked});return(C)?$F(C):null}document.observe("dom:loaded",function(A){resetCheckedButton();$A(document.getElementsByTagName("button")).invoke("observe","click",function(B){resetCheckedButton();B.element().writeAttribute({clicked:"clicked"})})});function resetCheckedButton(){$A(document.getElementsByTagName("button")).invoke("writeAttribute",{clicked:null})}Form.Element.Serializers=Object.extend(Form.Element.Serializers,{button:function(A,B){if("clicked"==A.readAttribute("clicked")){return Form.Element.Serializers.textarea(A,B)}else{return null}}});Object.extend(Element.Methods.ByTag,{BUTTON:Object.clone(Form.Element.Methods)});function unescapeHTML(A){var B=new Element("div");B.innerHTML=A.stripTags();return B.childNodes[0]?(B.childNodes.length>1?$A(B.childNodes).inject("",function(C,D){return C+D.nodeValue}):B.childNodes[0].nodeValue):""};