/***********************************************************************

	Copyright (C) 2008  PunBB

	Based on Easy BBCode extension by Rickard Andersson.

	PunBB is free software; you can redistribute it and/or modify it
	under the terms of the GNU General Public License as published
	by the Free Software Foundation; either version 2 of the License,
	or (at your option) any later version.

	PunBB is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	MA  02111-1307  USA

***********************************************************************/

function insert_text(open, close)
{

	msgfield = (document.all) ? document.all.req_message : ((document.getElementById('afocus') != null) ? (document.getElementById('afocus').req_message) : (document.getElementsByName('req_message')[0]));

	// IE support
	if (document.selection && document.selection.createRange)
	{
		msgfield.focus();
		sel = document.selection.createRange();
		sel.text = open + sel.text + close;
		msgfield.focus();
	}

	// Moz support
	else if (msgfield.selectionStart || msgfield.selectionStart == '0')
	{
		var startPos = msgfield.selectionStart;
		var endPos = msgfield.selectionEnd;

		msgfield.value = msgfield.value.substring(0, startPos) + open + msgfield.value.substring(startPos, endPos) + close + msgfield.value.substring(endPos, msgfield.value.length);
		msgfield.selectionStart = msgfield.selectionEnd = endPos + open.length + close.length;
		msgfield.focus();
	}

	// Fallback support for other browsers
	else
	{
		msgfield.value += open + close;
		msgfield.focus();
	}

	return;
}