var request;var form;var comprev;function createrequest_post(url,params,func)
{request=false;if(window.XMLHttpRequest)
{request=new XMLHttpRequest();if(request.overrideMimeType)request.overrideMimeType('text/xml');}
else if(window.ActiveXObject)
{try
{request=new ActiveXObject('Msxml2.XMLHTTP');}
catch(error)
{try
{request=new ActiveXObject('Microsoft.XMLHTTP');}
catch(error){}}}
if(!request)return false;request.onreadystatechange=func;request.open('POST',url,true);request.setRequestHeader('Content-type','application/x-www-form-urlencoded');request.setRequestHeader('Content-length',params.length);request.setRequestHeader('Connection','close');request.send(params);return true;}
function getform()
{var frm=document.getElementById('frmPostDiscussion');if(!frm)frm=document.getElementById('frmPostComment');return frm;}
function _showpreview()
{if(request.readyState==4&&request.status==200)
{comprev.innerHTML=request.responseText;getform().btnPreview.value='Actualizar pré-visualização';comprev.parentNode.scrollIntoView();}}
function showpreview(baseurl,user)
{var comlist,obj,text,type,i,f,whisperto,astr;astr='<a href="'+baseurl+'account.php?u='+user.id+'">'+user.name+'</a>';form=getform();if(form)
{if(!(comprev=document.getElementById('CommentBody_Preview')))
{if(!(comlist=document.getElementById('Comments')))
{comlist=document.createElement('ul');comlist.id='Comments';comlist.className='Preview';comlist.style.marginBottom='10px';document.getElementById('Content').insertBefore(comlist,document.getElementById('Form'));}
obj=document.createElement('li');obj.id='Comment_Preview';obj.innerHTML='<div class="CommentHeader"><ul><li id="_cp_userinfo"></li><li> right now</li></ul><span>'+'<a href="javascript:getform().submit();">'+'submit comment</a></span></div><div id="CommentBody_Preview" class="CommentBody"></div>';comlist.appendChild(obj);comprev=document.getElementById('CommentBody_Preview');comprev.parentNode.style.backgroundImage='url('+baseurl+'extensions/PreviewPost/preview.gif)';}
whisperto=form.WhisperUsername?form.WhisperUsername.value:'';comprev.parentNode.className=whisperto.length?'WhisperFrom':'';document.getElementById('_cp_userinfo').innerHTML=astr+(whisperto.length?(' to '+whisperto):'');if(typeof(FCKeditorAPI)!='undefined')text=FCKeditorAPI.GetInstance('Body').GetXHTML(true);else text=form.Body.value;text=(encodeURIComponent)?encodeURIComponent(text):escape(text.replace(/\+/g,'%2B'));if(!form.FormatType.length)type=form.FormatType.value;else
{for(i=f=0;i<form.FormatType.length;i++)
{if(form.FormatType[i].checked)
{f=1;break;}}
if(!f)i=0;type=escape(form.FormatType[i].value);}
if(!createrequest_post(baseurl+'extensions/PreviewPost/ajax.php','Data='+text+'&Type='+type,_showpreview))
alert('An error occured while attempting to set up request');}
else alert('Unable to find form');return;}