alert (document.frma.elements[arrid].options[0].value+"en")如果得到select的id,直接
<SELECT size=1 id="ComeraNo<%=trim(gttid)%>" name="ComeraNo<%=trim(gttid)%>" onchange="uu(this.id,'<%=trim(gttid)%>')" >
<SELECT size=1 id="ComeraNo<%=trim(gttid)%>" name="ComeraNo<%=trim(gttid)%>" onchange="uu(this.id,'<%=trim(gttid)%>')" >
z为传过去的id值。