Why javascript can't show right value under struts?

I have a <html:select>,and when change the value of select,alert the current selected value,such pages include following value:
PageID pageName
1      Page 1
2        Page 2
3       �Page 3
<html:select property="pageID" size="1" onchange="javascript:alert(this.options[this.selectedIndex].value)">
<logic:iterate id="b" name="pages" type="com.PageID">
<html:option value="<bean:write name='b' property='pageID'/>"><bean:write name="b" property="pageName"/></html:option>
</logic:iterate>
</html:select>when i change the value of select,it don't show the right value,it should show 1,2 or 3,but it only show
<bean:write name='b' property='pageID'/>
why javascript don't show right value? How to show correct value of select?
Thanks

Working as intended !
Its not your javascript its your JSP is wrong
<html:option value="<bean:write name='b' property='pageID'/>">is bad JSp syntax you cannot nest tags like that.

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