if(typeof(dclk_isDartRichMediaLoaded) == "undefined") {
    dclk_isDartRichMediaLoaded = true;
    function dclkWrite(str){
        if(dclk_shouldOverride) {
            dclk_original_documentWrite(str);
        }
        else{
            document.write(str);
        }
    }
    function dclkWriteln(str){
        if(dclk_shouldOverride) {
            dclk_original_documentWriteLn(str);
        }
        else{
            document.writeln(str);
        }
    }
    function dclk_isInternetExplorer() {
        return (navigator.appVersion.indexOf("MSIE") != -1 && navigator.userAgent.indexOf("Opera") < 0);
    }
    dclk_shouldOverride = dclk_isInternetExplorer();
    if(dclk_shouldOverride) {
        dclk_original_documentWrite = document.write;
        dclk_original_documentWriteLn = document.writeln;
        document.write = dclkWrite;
        document.writeln = dclkWriteln;
    }
}