/*

Author: mg12

Update: 2008/05/05

Author URI: http://www.neoease.com/

*/

(function() {

function reply(authorId, commentId, commentBox) {

	var author = MGJS.$(authorId).innerHTML;

	var insertStr = '<a href="#' + commentId + '">@' + author.replace(/\t|\n|\r\n/g, "") + ' </a> \n';

	appendReply(insertStr, commentBox);

}

function quote(authorId, commentId, commentBodyId, commentBox) {

	var author = MGJS.$(authorId).innerHTML;

	var comment = MGJS.$(commentBodyId).innerHTML;

	var insertStr = '<blockquote cite="#' + commentBodyId + '">';

	insertStr += '\n<strong><a href="#' + commentId + '">' + author.replace(/\t|\n|\r\n/g, "") + '</a> :</strong>';

	insertStr += comment.replace(/\t/g, "");

	insertStr += '</blockquote>\n';

	insertQuote(insertStr, commentBox);

}

function appendReply(insertStr, commentBox) {

	if(MGJS.$(commentBox) && MGJS.$(commentBox).type == 'textarea') {

		field = MGJS.$(commentBox);

	} else {

		alert("The comment box does not exist!");

		return false;

	}

	if (field.value.indexOf(insertStr) > -1) {

		alert("You've already appended this reply!");

		return false;

	}

	if (field.value.replace(/\s|\t|\n/g, "") == '') {

		field.value = insertStr;

	} else {

		field.value = field.value.replace(/[\n]*$/g, "") + '\n\n' + insertStr;

	}

	field.focus();

}

function insertQuote(insertStr, commentBox) {

	if(MGJS.$(commentBox) && MGJS.$(commentBox).type == 'textarea') {

		field = MGJS.$(commentBox);

	} else {

		alert("The comment box does not exist!");

		return false;

	}

	if(document.selection) {

		field.focus();

		sel = document.selection.createRange();

		sel.text = insertStr;

		field.focus();

	} else if (field.selectionStart || field.selectionStart == '0') {

		var startPos = field.selectionStart;

		var endPos = field.selectionEnd;

		var cursorPos = startPos;

		field.value = field.value.substring(0, startPos)

					+ insertStr

					+ field.value.substring(endPos, field.value.length);

		cursorPos += insertStr.length;

		field.focus();

		field.selectionStart = cursorPos;

		field.selectionEnd = cursorPos;

	} else {

		field.value += insertStr;

		field.focus();

	}

}

window['MGJS_CMT'] = {};

window['MGJS_CMT']['reply'] = reply;

window['MGJS_CMT']['quote'] = quote;

})();