01.<script type="text/javascript">
02.function insert(el,ins) {
03. if (el.setSelectionRange){
04. el.value = el.value.substring(0,el.selectionStart) + ins + el.value.substring(el.selectionStart,el.selectionEnd) + el.value.substring(el.selectionEnd,el.value.length);
05. }
06. else if (document.selection && document.selection.createRange) {
07. el.focus();
08. var range = document.selection.createRange();
09. range.text = ins + range.text;
10. }
11.}
12.</script>
13.
14.<form>
15.<input type="button" value="hello" onclick="insert(this.form.ta,'hello')">
16.<input type="button" value="my freind" onclick="insert(this.form.ta,'my friend')">
17.<br />
18.<textarea rows="7" cols="30" name="ta">
19.This is sample text, click anywhere in here then
20.choose on of the buttons above to see text inserted.
21.</textarea>
22.</form>
