function add_comment(x)
                {
                        document.comment.question_parent.value=x;
                        if (document.getElementById('add_comment').style.display=='none')
                    {
                            document.getElementById('add_comment').style.display='block';
							document.getElementById('comment_upd').style.display='none';
                    }else{document.getElementById('add_comment').style.display='none';}
					return false;                           
                }
				
function add_comment_sub(x,y)
                {
                        document.comment.question_parent.value=x;
						document.comment.parent.value=y;
                        if (document.getElementById('add_comment').style.display=='none')
                    {
                            document.getElementById('add_comment').style.display='block';
							document.getElementById('comment_upd').style.display='none';
                    }else{document.getElementById('add_comment').style.display='none';}
                    return false;                           
                }
				
function edit_comment(x,y)
                {
                        document.upd_comment.question_parent.value=x;
						document.upd_comment.parent.value=y;
						document.upd_comment.name_user.value=document.getElementById("mailto_"+y).innerHTML;
						document.upd_comment.mail.value=document.getElementById("mailto_"+y).href;
						document.upd_comment.message.value=document.getElementById("message_"+y).innerHTML;
                        if (document.getElementById('comment_upd').style.display=='none')
                    {
                            document.getElementById('comment_upd').style.display='block';
							document.getElementById('add_comment').style.display='none';
                    }else{document.getElementById('comment_upd').style.display='none';}
                    return false;                           
                }
				
function hide_conf(x)
                {
						document.conference_now.question_parent.value=x;
                        if (document.getElementById('conference').style.display=='block')
                    {
                            document.getElementById('conference').style.display='none';
							document.getElementById('add_comm').style.display='none';
							document.getElementById('num_comm').style.display='none';
							document.getElementById('hide_href').innerHTML='развернуть обсуждение';
							document.getElementById('hide_img').src='images/arrow_up.png';
                    }else{
							document.getElementById('conference').style.display='block';
							document.getElementById('add_comm').style.display='block';
							document.getElementById('num_comm').style.display='block';
							document.getElementById('hide_href').innerHTML='свернуть обсуждение';
							document.getElementById('hide_img').src='images/arrow_down.png';
						 }
				return false;
				}