function hideCommentReplyForm(form_id)
{var div_id="div_"+form_id;toggleVisibility(div_id,false);}
function printCommentReplyForm(form_id,comment_parent_id)
{var div_id="div_"+form_id;var reply_comment_form="comment_form"+form_id;var innerHTMLContent='\
   <form class="commentform" name="'+reply_comment_form+'" id="'+reply_comment_form+'" onSubmit="return false;" >\
   <input type="hidden" name="media_id" value="'+media_id+'">\
   <input type="hidden" name="add_comment" value="">\
   <input type="hidden" name="form_id" value="'+reply_comment_form+'">\
   <input type="hidden" name="reply_parent_id" value="'+comment_parent_id+'">\
   <textarea name="comment"></textarea>\
    <input align="left" type="button" class="button" name="add_comment_button" value="Post Comment" onclick="postComment(\''+reply_comment_form+'\');">\
   </form><br>';setInnerHTML(div_id,innerHTMLContent);}
var postCommentSuccess=function(t)
{response_str=t.responseText;response_code=response_str.substr(0,response_str.indexOf(" "));form_id=response_str.substr(response_str.indexOf(" ")+1);var form=document.forms[form_id];var dstDiv=form.add_comment_button;var commentDiv=form.comment;if(response_code=="OK")
{setInnerHTML('div_main_comment',"Your comment has successfully been posted!");fetchComments(media_id,'1');}
else
{if(response_code=="NOPERM")
{alert("You do not have permission to post comments!");dstDiv.disabled=false;}
else if(response_code=="TOOSHORT")
{alert("The comment you have entered is too short. Please write a longer comment and try again");dstDiv.disabled=false;commentDiv.disabled=false;commentDiv.focus();}
else
{dstDiv.disabled=false;}
dstDiv.value="Post Comment";}}
function postComment(comment_form_id)
{var form=document.forms[comment_form_id];if(checkComment(form,comment_form_id))
{var add_button=form.add_comment_button;add_button.value="Adding comment...";form.comment.disabled=true;add_button.disabled=true;comment_escaped=encodeURIComponent(document.forms[comment_form_id].comment.value);var url=base_url+'common/ajax/media_add_comment.php';var pars=$(comment_form_id).serialize()+'&comment='+comment_escaped;var myAjax=new Ajax.Request(url,{method:'post',parameters:pars,onSuccess:postCommentSuccess});}}
function checkComment(comment_form,comment_form_id)
{var comment=comment_form.comment;var comment_button=comment_form.comment_button;if(comment.value.length==0||comment.value==null)
{alert("You must enter a comment!");comment.disabled=false;comment.focus();return false;}
if(comment.value.length>5000)
{alert("Your comment must be shorter than 5,000 characters!");comment.disabled=false;comment.focus();return false;}
return true;}
function fetchComments(file_id,page)
{showLoading('div_display_comments');var url=base_url+'common/ajax/media_load_comments.php';var pars='file_id='+escape(file_id)+'&p='+escape(page);var target='div_display_comments';var myAjax=new Ajax.Updater(target,url,{method:'get',parameters:pars});}