function replace(string,text,by) {
// Replaces text with by in string
    var strLength = string.length, txtLength = text.length;
    if ((strLength == 0) || (txtLength == 0)) return string;

    var i = string.indexOf(text);
    if ((!i) && (text != string.substring(0,txtLength))) return string;
    if (i == -1) return string;

    var newstr = string.substring(0,i) + by;

    if (i+txtLength < strLength)
        newstr += replace(string.substring(i+txtLength,strLength),text,by);

    return newstr;
}

function submitForm() {
    text = document.getElementById("keyword").value;

    text = replace(text,'¡','i');
    text = replace(text,'¢','c');
    text = replace(text,'£','L');
    text = replace(text,'¥','Y');
    text = replace(text,'§','S');
    text = replace(text,'À','A');
    text = replace(text,'Á','A');
    text = replace(text,'Â','A');
    text = replace(text,'Ã','A');
    text = replace(text,'Ä','A');
    text = replace(text,'Å','A');
    text = replace(text,'Æ','A');
    text = replace(text,'Ç','C');
    text = replace(text,'È','E');
    text = replace(text,'É','E');
    text = replace(text,'Ê','E');
    text = replace(text,'Ë','E');
    text = replace(text,'Ì','I');
    text = replace(text,'Í','I');
    text = replace(text,'Î','I');
    text = replace(text,'Ï','I');
    text = replace(text,'Ð','D');
    text = replace(text,'Ñ','N');
    text = replace(text,'Ò','O');
    text = replace(text,'Ó','O');
    text = replace(text,'Ô','O');
    text = replace(text,'Õ','O');
    text = replace(text,'Ö','O');
    text = replace(text,'×','x');
    text = replace(text,'Ø','O');
    text = replace(text,'Ù','U');
    text = replace(text,'Ú','U');
    text = replace(text,'Û','U');
    text = replace(text,'Ü','U');
    text = replace(text,'Ý','Y');
    text = replace(text,'Þ','b');
    text = replace(text,'ß','B');
    text = replace(text,'à','a');
    text = replace(text,'á','a');
    text = replace(text,'â','a');
    text = replace(text,'ã','a');
    text = replace(text,'ä','a');
    text = replace(text,'å','a');
    text = replace(text,'æ','a');
    text = replace(text,'ç','c');
    text = replace(text,'è','e');
    text = replace(text,'é','e');
    text = replace(text,'ê','e');
    text = replace(text,'ë','e');
    text = replace(text,'ì','i');
    text = replace(text,'í','i');
    text = replace(text,'î','i');
    text = replace(text,'ï','i');
    text = replace(text,'ð','o');
    text = replace(text,'ñ','n');
    text = replace(text,'ò','o');
    text = replace(text,'ó','o');
    text = replace(text,'ô','o');
    text = replace(text,'õ','o');
    text = replace(text,'ö','o');
    text = replace(text,'ø','o');
    text = replace(text,'ù','u');
    text = replace(text,'ú','u');
    text = replace(text,'û','u');
    text = replace(text,'ü','u');
    text = replace(text,'ý','y');
    text = replace(text,'þ','b');
    text = replace(text,'ÿ','y');
    document.getElementById("keyword").value = text;
}