function areatext(text) {
var txtarea = document.chatbox.comment;
text = '  ' + text;
if (txtarea.createTextRange && txtarea.caretPos) {
var caretPos = txtarea.caretPos;
caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? 
caretPos.text + ' ' + text  : caretPos.text + text;
txtarea.focus();
} else {
txtarea.value += text;
txtarea.focus();
}
}