/**
 * Smilie
 *
 * simple library for inserting smilies
 * 
 * @author Adam Heinrich <a.heinrich@seznam.cz>
 * @copyright (c) 2008 Adam Heinrich
 * @link http://adamh.cz
 * @license http://www.gnu.org/licenses/gpl.txt GNU General Public License
 */

 function smilie(textarea, text) {
	textarea = document.getElementById(textarea);
	if (document.selection) {
		textarea.focus();
		selection = document.selection.createRange();
		selection.text = text;
	} else if (textarea.selectionStart || textarea.selectionStart == 0) {
		startPos = textarea.selectionStart;
		endPos = textarea.selectionEnd;
		textarea.value = textarea.value.substring(0, startPos) + text + textarea.value.substring(endPos, textarea.value.length);
	} else {
		textarea.value += text;
	}

}