Javascript flag conversion code

1. html of the page Code As follows:

<Select name = "country" accesskey = "C" id = "country" onchange = "change_flag (this);" runat = "server" O>
<Option value = "Ar"> Argentina </option>
<Option value = "am"> Armenia </option>
<Option value = "au"> Australia </option>
<Option value = "at"> Austria </option>
<Option value = "ba"> Bosnia and Herzegovina </option>
<Option value = "BD"> Bangladesh </option>
<Option value = "by"> Belarus </option>
<Option value = "be"> Belgium </option>
<Option value = "BG"> Bulgaria </option>
<Option value = "Bo"> Bolivia </option>
<Option value = "BW"> Botswana </option>
<Option value = "Br"> Brazil </option>
<Option value = "BG"> Bulgaria </option>
<Option value = "ca"> Canada </option>
<Option value = "Cl"> Chile </option>
<Option value = "cn" selected = "selected"> China </option>
<Option value = "CO"> Colombia </option>
<Option value = "cr"> Costa Rica </option>
<Option value = "HR"> Croatia </option>
<Option value = "Cu"> Cuba </option>
<Option value = "CZ"> Czech Republic </option>
<Option value = "DK"> Denmark </option>
<Option value = "EC"> Ecuador </option>
<Option value = "eg"> Egypt </option>
<Option value = "ee"> Estonia </option>
<Option value = "fi"> Finland </option>
<Option value = "FR"> France </option>
<Option value = "de"> Germany </option>
<Option value = "GB"> Great Britain </option>
<Option value = "UK"> United Kingdom </option>
<Option value = "Ge"> Georgia </option>
<Option value = "GR"> Greece </option>
<Option value = "HK"> Hong Kong </option>
<Option value = "Hu"> Hungary </option>
<Option value = "is"> Iceland </option>
<Option value = "in"> India </option>
<Option value = "ID"> Indonesia </option>
<Option value = "ie"> Ireland </option>
<Option value = "Il"> Israel </option>
<Option value = "it"> Italy </option>
<Option value = "JP"> Japan </option>
<Option value = "Jo"> Jordan </option>
<Option value = "KZ"> Kazakhstan </option>
<Option value = "kg"> Kyrgyzstan </option>
<Option value = "La"> Laos </option>
<Option value = "LV"> Latvia </option>
<Option value = "LT"> Lithuania </option>
<Option value = "Lu"> Luxembourg </option>
<Option value = "Ma"> Morocco </option>
<Option value = "my"> Malaysia </option>
<Option value = "MT"> Malta </option>
<Option value = "MX"> Mexico </option>
<Option value = "NG"> Nigeria </option>
<Option value = "NL"> Netherlands </option>
<Option value = "nz"> New Zealand </option>
<Option value = "no"> Norway </option>
<Option value = "Om"> Oman </option>
<Option value = "Pa"> Panama </option>
<Option value = "Pk"> Pakistan </option>
<Option value = "pe"> Peru </option>
<Option value = "PH"> Philippines </option>
<Option value = "PL"> Poland </option>
<Option value = "PT"> Portugal </option>
<Option value = "QA"> Qatar </option>
<Option value = "Ro"> Romania </option>
<Option value = "Ru"> Russia </option>
<Option value = "sa"> Saudi Arabia </option>
<Option value = "Sn"> Senegal </option>
<Option value = "SG"> Singapore </option>
<Option value = "SK"> Slovakia </option>
<Option value = "Si"> Slovenia </option>
<Option value = "za"> South Africa </option>
<Option value = "KR"> South Korea </option>
<Option value = "es"> Spain </option>
<Option value = "LK"> Sri Lanka </option>
<Option value = "Sr"> Suriname </option>
<Option value = "se"> Sweden </option>
<Option value = "ch"> Switzerland </option>
<Option value = "tw"> Taiwan </option>
<Option value = "th"> Thailand </option>
<Option value = "tn"> Tunisia </option>
<Option value = "TR"> Turkey </option>
<Option value = "UA"> Ukraine </option>
<Option value = "UK"> United Kingdom </option>
<Option value = "us"> United States </option>
<Option value = "Uy"> Uruguay </option>
<Option value = "ve"> Venezuela </option>
<Option value = "VN"> Vietnam </option>
<Option value = "Vu"> Vanuatu </option>
<Option value = "ZM"> Zambia </option>
</SELECT> 2. change_flag function <SCRIPT>
Function change_flag (object ){
VaR IMG = Document. getelementbyid ("flag ");
If (IMG ){
IMG. src = "Flags/" + object. Value + "_flag1_12.16.gif ";
}

}
</SCRIPT>
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