function strReverseJS(strText, mode) {
    var i;
    var strReversetext = '';
    for (i=0; i<strText.length; i++) {
        strReversetext += strText.charAt(strText.length-i-1)
    }
    if (mode == 'write') document.write(strReversetext);
    if (mode == 'open') window.open('mailto:'+strReversetext);
    if (mode == 'return') return strReversetext; 
}