var commentPreview;var commentPreviewLast='';var emptyString='Haz click en el botón "Vista Previa" para previsualizar tu comentario.';var inputElement;var outputElement;var doitElement;var authorElement;var urlElement;function commentPreviewInit(){inputElement=document.getElementById('comment');outputElement=document.getElementById('ajax-comment-preview');doitElement=document.getElementById('preview');authorElement=document.getElementById('nombre');urlElement=document.getElementById('url');if(inputElement==null||outputElement==null||doitElement==null)return;doitElement.onclick=commentPreviewAJAX;if(''==emptyString)outputElement.style.display='none';else outputElement.innerHTML=emptyString}addEvent(window,'load',commentPreviewInit);function commentPreviewAJAX(){var a='';var b=false;commentPreview=new sack('http://www.buayacorp.com/?comment_preview=ajax');var c=commentPreview.argumentSeparator?commentPreview.argumentSeparator:'&';commentPreview.method='POST';commentPreview.encodeURIString=false;commentPreview.onLoading=function(){outputElement.innerHTML='Loading.'};commentPreview.onLoaded=function(){outputElement.innerHTML+='.'};commentPreview.onInteractive=function(){outputElement.innerHTML+='.'};commentPreview.onCompletion=function(){outputElement.innerHTML=commentPreview.response};a=commentPreview.encVar('text',inputElement.value);if(a){a+=authorElement?c+commentPreview.encVar('author',authorElement.value):'';a+=urlElement?c+commentPreview.encVar('url',urlElement.value):''}else{if(authorElement)commentPreview.encVar('author',authorElement.value);if(urlElement)commentPreview.encVar('url',urlElement.value);a=new Array();for(key in commentPreview.vars)a[a.length]=key+"="+commentPreview.vars[key][0];a=a.join(c);b=true}if(a!=commentPreviewLast&&''!=inputElement.value){commentPreview.runAJAX(b?'':a)}else if(''==inputElement.value){if(''==emptyString){outputElement.innerHTML='';outputElement.style.display="none"}else outputElement.innerHTML=emptyString}commentPreviewLast=a}