<html>
<script>
var mm = new Array();
<%for(int i=0;i<n;i++){
%>
mm[<%=i%>] = new Image();
mm.src="<%=vec.get(i)%>"; //如果不在vector 里就直接写不用for 了;
<%}%>
</script>
<body>
....
<script>
var mm = new Array();
<%for(int i=0;i<n;i++){
%>
mm[<%=i%>] = new Image();
mm.src="<%=vec.get(i)%>"; //如果不在vector 里就直接写不用for 了;
<%}%>
</script>
<body>
....
<input type=button onclick=check(demo)>
<script>
function check(obj){
if(obj.readyState!="complete")return;
alert();//do what you wanna do
}
</script>
<html>
<body>
<img src="wait.jpg">
<%
String xy="1";
while(true)
xy="2";
%>
</body>
</html>