function addText(instext) {
	var mess = document.getElementById("guezbook").message;
	if (document.selection) {
		mess.focus();
		sel = document.selection.createRange();
		sel.text = instext;
		document.getElementById("guezbook").focus();
	}
	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();
	}
}