<SCRIPT LANGUAGE="JAVASCRIPT">
<!--

function capitalizeMe(obj) {
        val = obj.value;
        newVal = '';
        val = val.split(' ');
        for(var c=0; c < val.length; c++) {
                newVal += val[c].substring(0,1).toUpperCase() +
val[c].substring(1,val[c].length) + ' ';
        }
        obj.value = newVal;
}

// -->
</SCRIPT>

<FORM NAME="TEST">
        <INPUT TYPE="TEXT" NAME="TESTER" onChange="capitalizeMe(this)">
</FORM>