//<![CDATA[
function addSmiley(instext, id) {
    var mess = document.getElementById(id);
        //IE support
        if (document.selection) {
            mess.focus();
            sel = document.selection.createRange();
            sel.text = instext;
            document.getElementById(id).focus();
        }
        //MOZILLA/NETSCAPE support
        else if (mess.selectionStart || mess.selectionStart == "0") {
            var startPos = mess.selectionStart;
            var endPos = mess.selectionEnd;
            var chaine = mess.value;

            mess.value = chaine.substring(0, startPos) + instext + chaine.substring(endPos, chaine.length);

            mess.selectionStart = startPos + instext.length;
            mess.selectionEnd = endPos + instext.length;
            mess.focus();
        } else {
            mess.value += instext;
            mess.focus();
        }
}
//]]>