[devote]

<textarea id="textarea">jsdfkjashdkj ahskdj hjaksd hkajsd</textarea>
<script>
setCaretPosition( document.getElementById("textarea"), 5 );
 
function setCaretPosition(ctrl, pos) {
    if(ctrl.setSelectionRange) {
        ctrl.focus();
        ctrl.setSelectionRange(pos,pos);
        //alert(ctrl.setSelectionRange(pos,pos));
    }
    else if (ctrl.createTextRange) {
        var range = ctrl.createTextRange();
        range.collapse(true);
        range.moveEnd('character', pos);
        range.moveStart('character', pos);
        //alert(range.moveStart('character', pos));
        range.select();
    }
}
</script>