function AutoTag(bbcode_open, bbcode_close) {var clientPC = navigator.userAgent.toLowerCase();var clientVer = parseInt(navigator.appVersion);var MSIE = ((clientPC.indexOf('msie') != -1) && (clientPC.indexOf('opera') == -1));var WIN = ((clientPC.indexOf('win')!=-1) || (clientPC.indexOf('16bit') != -1));var bbtag_open = '[' + bbcode_open + ']';if (bbcode_close) { var bbtag_close = '[' + bbcode_close + ']'; } else { var bbtag_close = ''; }var newText = bbtag_open + bbtag_close;var oldText = '';var obj = document.jreact.comments;	obj.focus();if ((clientVer >= 4) && MSIE && WIN) {oldText = document.selection.createRange().text;if (oldText != '') {document.selection.createRange().text = bbtag_open + oldText + bbtag_close;return;} else {pasteTag(newText);}} else if (obj.selectionEnd && (obj.selectionEnd - obj.selectionStart > 0)) {var selLen = obj.textLength;var selStart = obj.selectionStart;var selEnd = obj.selectionEnd;var seg1 = (obj.value).substring(0, selStart);var seg2 = (obj.value).substring(selStart, selEnd);var seg3 = (obj.value).substring(selEnd, selLen);obj.value = seg1 + bbtag_open + seg2 + bbtag_close + seg3;obj.selectionStart = selStart + (seg2.length + bbtag_open.length + bbtag_close.length);obj.selectionEnd = obj.selectionStart;return;} else {pasteTag(newText);}}