// ブラウザの判別

if( navigator.appName.charAt(0)=="N" ){
    if(navigator.appVersion.charAt(0)==2){ USERAGENT = "NN"; }
    if(navigator.appVersion.charAt(0)==3){ USERAGENT = "NN";}
    if(navigator.appVersion.charAt(0)==4){ USERAGENT = "NN"; }
    if(navigator.appVersion.charAt(0)==5){ 
        if (navigator.userAgent.indexOf("Netscape6/") != -1){ USERAGENT = "NN"; }
        else {
            if (navigator.userAgent.indexOf("Netscape/7") != -1){ USERAGENT = "NN"; }
            else {
                if (navigator.userAgent.indexOf("Netscape/8") != -1){ USERAGENT = "NN"; }
                else {
                    if (navigator.userAgent.indexOf("Safari") != -1){ USERAGENT = "Safari";}
                    else {
                        if (navigator.userAgent.indexOf("Firefox/3") != -1){ USERAGENT = "FireFox3"; }
			else {
			    if (navigator.userAgent.indexOf("Firefox/2") != -1){ USERAGENT = "FireFox2"; }
                             else { USERAGENT = "Mozila"; }
			}
                    }
                }
            }
        }
    }
}
if( navigator.appName.charAt(0)=="M" && navigator.userAgent.indexOf("Opera") == -1){
    if(navigator.appVersion.charAt(0)==2){ USERAGENT = "IE3"; }
    if(navigator.appVersion.charAt(0)==3){ USERAGENT = "IE3"; }
    if(navigator.appVersion.charAt(0)==4){
        if (navigator.appVersion.indexOf("MSIE 5") != -1){ USERAGENT = "IE5"; }
        else {
            if (navigator.appVersion.indexOf("MSIE 6") != -1){ USERAGENT = "IE6"; }
            else { 
                 if (navigator.appVersion.indexOf("MSIE 7") != -1){ USERAGENT = "IE7"; }
                else { USERAGENT = "IE4"; }
            }
        }
    }
}
if (navigator.userAgent.indexOf("Opera") != -1){ USERAGENT = "Opera"; }


// **************** ログイン情報チェック ********************