<script>
var msg = new Array("Beijing","Tianjing","Shanghai","Guangdong","ShanDong","Shanxi","Hunan","Hubei");
var msg2=new Array("北京","天津","上海","广东","山东","陕西","湖南","湖北");
function showtips(){
event.cancelBubble=true;
eo=event.srcElement.value.toUpperCase();
sel.length=0;
var len=msg.length;
if(eo==''||eo==null){c();return false}
for(i=0;i<len;i++) if(msg[i].toUpperCase().indexOf(eo)==0) sel.style.display='',sel.add(new Option(msg[i],msg2[i])),sel.selectedIndex=0;
}
function enterTips(){
e=event.keyCode;
if(sel.style.display!='none'){
if(e==13) rv();
if(e==40) sel.focus();
}
}
function rv(){txt.value=sel.value,c()}
function c(){sel.style.display='none';txt.focus()}
document.onclick=c;
</script>