var GB_ROOT_DIR = "/css/template/feuvert/greybox/";

function FindNav() {
    var strChUserAgent = navigator.userAgent;
    var intSplitStart = strChUserAgent.indexOf("(",0);
    var intSplitEnd = strChUserAgent.indexOf(")",0);
    var strChStart = strChUserAgent.substring(0,intSplitStart);
    var strChMid = strChUserAgent.substring(intSplitStart, intSplitEnd);
    var strChEnd = strChUserAgent.substring(strChEnd);
    
    if(strChMid.indexOf("MSIE 7") != -1) return "ie7";
    else if(strChMid.indexOf("MSIE 6") != -1) return "ie6";
    else if(strChEnd.indexOf("Firefox/2") != -1) return "firefox2";
    else if(strChEnd.indexOf("Firefox") != -1) return "firefox";
    else if(strChEnd.indexOf("Netscape/7") != -1) return "netscape7";
    else if(strChEnd.indexOf("Netscape") != -1) return "netscape";
    else if(strChStart.indexOf("Opera/9") != -1) return "opera9";
    else if(strChStart.indexOf("Opera") != -1) return "opera";
    else return "unknown";
}