/**
 * @author        Marcel Werk
 * @copyright        2001-2007 WoltLab GmbH
 * @license        WoltLab Burning Board License <http://www.woltlab.com/products/burning_board/license.php>
 */
function ThreadMarkAsRead() {
        this.boardIDs = new Array();

        /**
         * Initialises a board.
         */
        this.init = function(threadID) {
                // get icon element
                var icon = document.getElementById('threadEdit' + threadID);
                if (icon) {
                        // add information
                        icon.threadID = threadID;

                        // add event listener
                        icon.ondblclick = function() { threadMarkAsRead.markAsRead(parseInt(this.threadID)); }
                }
        }

        /**
         * Marks the thread as read.
         */
        this.markAsRead = function(threadID) {
                // get icon element
                var icon = document.getElementById('threadEdit' + threadID);

                // mark thread as read
                var ajaxRequest = new AjaxRequest();
                if (ajaxRequest.openGet('index.php?page=Thread&threadID='+threadID+'&action=markAsRead'+SID_ARG_2ND)) {
                        // change icon
                        icon.src = icon.src.replace(/New/, '');
                        if (icon.name) icon.name = icon.name.replace(/New/, '');
                        // change icon and class name in inline edit data
                        if (typeof(threadListEdit) != 'undefined' && threadListEdit.data[threadID]) {
                                threadListEdit.data[threadID]['icon'] = threadListEdit.data[threadID]['icon'].replace(/New/, '');
                                threadListEdit.data[threadID]['class'] = threadListEdit.data[threadID]['icon'].replace(/ new/, '');
                        }

                        // clear title tag
                        icon.title = '';

                        // get div
                        var div = document.getElementById('thread' + threadID);
                        if (div) {
                                // change class
                                div.className = div.className.replace(/ new/, '');

                                // remove go to first new post link
                                var link = document.getElementById('gotoFirstNewPost' + threadID);
                                if (link) {
                                        div.removeChild(link);
                                }
                        }
                }

                // remove event listener
                if (icon) {
                        icon.ondblclick = '';
                }
        }
}

var threadMarkAsRead = new ThreadMarkAsRead();