// copied from http://stackoverflow.com/questions/233507/how-to-log-out-user-from-web-site-using-basic-authentication
char *cdwLogoutJs =
"function logout(secUrl, redirUrl) {\n"
"    if (bowser.msie) {\n"
"        document.execCommand('ClearAuthenticationCache', 'false');\n"
"    } else if (bowser.gecko) {\n"
"        $.ajax({\n"
"            async: false,\n"
"            url: secUrl,\n"
"            type: 'GET',\n"
"            username: 'logout'\n"
"        });\n"
"    } else if (bowser.webkit || bowser.chrome) {\n"
"        var xmlhttp = new XMLHttpRequest();\n"
"        xmlhttp.open(\"GET\", secUrl, true);\n"
"        xmlhttp.setRequestHeader(\"Authorization\", \"Basic logout\");\n"
"        xmlhttp.send();\n"
"    } else {\n"
// http://stackoverflow.com/questions/5957822/how-to-clear-basic-authentication-details-in-chrome
"        redirUrl = url.replace('http://', 'http://' + new Date().getTime() + '@');\n"
"    }\n"
"    setTimeout(function () {\n"
"        window.location.href = redirUrl;\n"
"    }, 200);\n"
"}\n"
;