function detectBrowser()
{
        navigator.OS                = '';
        navigator.version        = 0;
        navigator.org                = '';
        navigator.family        = '';

        var platform;
        if (typeof(window.navigator.platform) != 'undefined')
        {
                platform = window.navigator.platform.toLowerCase();
                if (platform.indexOf('win') != -1)
                        navigator.OS = 'win';
                else if (platform.indexOf('mac') != -1)
                        navigator.OS = 'mac';
                else if (platform.indexOf('unix') != -1 || platform.indexOf('linux') != -1 || platform.indexOf('sun') != -1)
                        navigator.OS = 'nix';
        }

        var i = 0;
        var ua = window.navigator.userAgent.toLowerCase();

        if (ua.indexOf('opera') != -1)
        {
                i = ua.indexOf('opera');
                navigator.family        = 'opera';
                navigator.org                = 'opera';
                navigator.version        = parseFloat('0' + ua.substr(i+6), 10);
        }
        else if ((i = ua.indexOf('msie')) != -1)
        {
                navigator.org                = 'microsoft';
                navigator.version        = parseFloat('0' + ua.substr(i+5), 10);

                if (navigator.version < 4)
                        navigator.family = 'ie3';
                else
                        navigator.family = 'ie4'
        }
        else if (typeof(window.controllers) != 'undefined' && typeof(window.locationbar) != 'undefined')
        {
                i = ua.lastIndexOf('/')
                navigator.version = parseFloat('0' + ua.substr(i+1), 10);
                navigator.family = 'gecko';

                if (ua.indexOf('netscape') != -1)
                        navigator.org = 'netscape';
                else if (ua.indexOf('compuserve') != -1)
                        navigator.org = 'compuserve';
                else
                        navigator.org = 'mozilla';
        }
        else if ((ua.indexOf('mozilla') !=-1) && (ua.indexOf('spoofer')==-1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera')==-1)&& (ua.indexOf('webtv')==-1) && (ua.indexOf('hotjava')==-1))
        {
            var is_major = parseFloat(navigator.appVersion);

                if (is_major < 4)
                        navigator.version = is_major;
                else
                {
                        i = ua.lastIndexOf('/')
                        navigator.version = parseFloat('0' + ua.substr(i+1), 10);
                }
                navigator.org = 'netscape';
                navigator.family = 'nn' + parseInt(navigator.appVersion);
        }
        else if ((i = ua.indexOf('aol')) != -1 )
        {
                // aol
                navigator.family        = 'aol';
                navigator.org                = 'aol';
                navigator.version        = parseFloat('0' + ua.substr(i+4), 10);
        }

        navigator.DOMCORE1        = (typeof(document.getElementsByTagName) != 'undefined' && typeof(document.createElement) != 'undefined');
        navigator.DOMCORE2        = (navigator.DOMCORE1 && typeof(document.getElementById) != 'undefined' && typeof(document.createElementNS) != 'undefined');
        navigator.DOMHTML        = (navigator.DOMCORE1 && typeof(document.getElementById) != 'undefined');
        navigator.DOMCSS1        = ( (navigator.family == 'gecko') || (navigator.family == 'ie4') );

        navigator.DOMCSS2   = false;
        if (navigator.DOMCORE1)
        {
                element = document.createElement('p');
                navigator.DOMCSS2 = (typeof(element.style) == 'object');
        }

        navigator.DOMEVENTS        = (typeof(document.createEvent) != 'undefined');
}

detectBrowser();


function sn_cp(la_name,p_name,p_src) {
if (la_name != '') {
switch(navigator.family) {
case 'ie4':
document.images[p_name].src = p_src;
break;
case 'nn4':
    if(document[la_name])
    {
        document[la_name].document.images[p_name].src = p_src;
    }
    else
    {
        eval("document.images." + p_name + ".src = '" + p_src + "';");
    }
break;
case 'gecko':
document.images[p_name].src = p_src;
break;
}} else {document.images[p_name].src = p_src;}
}

function showhidelayer(layername,vis) {
switch(navigator.family) {
case 'ie4':
if (vis==true) {document.all[layername].style.visibility = "visible";} else {document.all[layername].style.visibility = "hidden";};
break;
case 'nn4':
if (vis==true) {document[layername].visibility = "show";} else {document[layername].visibility = "hide";};
break;
case 'gecko':
if (vis==true) {document.getElementById(layername).style.visibility = "visible";} else {document.getElementById(layername).style.visibility = "hidden";};
break;
default:
if (vis==true) {document.getElementById(layername).style.visibility = "visible";} else {document.getElementById(layername).style.visibility = "hidden";};
break;
}}