select all text when focus in a text box

        <pre data-sub="prettyprint:_">
        FormUtil.setTextboxes = function() {
        var colInputs = document.getElementsByTagName("input");
        var colTextAreas = document.getElementsByTagName("textarea");

        for (var i=0; i < colInputs.length; i++){
        if (colInputs[i].type == "text"  colInputs [i].type == "password") {
        colInputs[i].onfocus = function () { this.select(); };
        }
        }

        for (var i=0; i < colTextAreas.length; i++){
        colTextAreas[i].onfocus = function () { this.select(); };
        }
        };
        </pre>