function Dictionary( form )
{
    var appName = navigator.userAgent.toLowerCase();
    var isNetscape = ((appName.indexOf("mozilla") != -1) && (appName.indexOf("compat") == -1));
    var majorVersion = parseInt(navigator.appVersion);
    if (isNetscape && (majorVersion == 4)) return true;
    var urlPrefix = "http://dsal.uchicago.edu/cgi-bin/romadict.pl?";
    var dictionary = form.elements["d"].value;
    var searchValue = form.elements["query"].value;
    var fullUrl = urlPrefix + "display=utf8&table=" + dictionary + "&query=" +searchValue;

if(dictionary =="anbumani") { 

fullUrl = "http://www.ee.vt.edu/~anbumani/tamildict/unitamildict.php?lang=English&prst=exact&maxhits=50&word=" + searchValue;

}

if(dictionary =="wiktionary") {
fullUrl = "http://ta.wiktionary.org/wiki/%E0%AE%9A%E0%AE%BF%E0%AE%B1%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81:Search?search=" + searchValue;

} 
    window.open(fullUrl, "dictionary_result", "toolbar=no,alwaysRaise=yes,resizable=yes,scrollbars=yes,width=600,height=300");
    return false;
}