#hws
<script language ="JavaScript">
<!--
function selChange(seln) {
selNum = seln.tem.selectedIndex;
Isel = seln.tem.options[selNum].text;
alert("Выбрано: "+Isel);
}
//-->
</script>

<form>
Выберите:
<select name="tem" onChange="selChange(this.form)">
<option>45245
<option>64785
<option>45366
<option>45646
</select>
</form>