//------------------------------------------detect-------------------------

var agt=navigator.userAgent.toLowerCase();

// *** BROWSER VERSION ***

// Note: On IE5, these return 4, so use is_ie5up to detect IE5.

var is_major = parseInt(navigator.appVersion);

var is_minor = parseFloat(navigator.appVersion);



var is_nav  = ((agt.indexOf('mozilla')!=-1)

            && (agt.indexOf('spoofer')==-1)

            && (agt.indexOf('compatible') == -1)

            && (agt.indexOf('opera')==-1)

            && (agt.indexOf('webtv')==-1));

var is_nav2 = (is_nav && (is_major == 2));

var is_nav3 = (is_nav && (is_major == 3));

var is_nav4 = (is_nav && (is_major == 4));

var is_nav4up = (is_nav && (is_major >= 4));

var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||

                      (agt.indexOf("; nav") != -1)) );

var is_nav5 = (is_nav && (is_major == 5));

var is_nav5up = (is_nav && (is_major >= 5));



var is_ie   = (agt.indexOf("msie") != -1);

var is_ie3  = (is_ie && (is_major < 4));

var is_ie4  = (is_ie && (is_major == 4) &&

              (agt.indexOf("msie 5.0")==-1) );

var is_ie4up  = (is_ie  && (is_major >= 4));

var is_ie5  = (is_ie && (is_major == 4) &&

              (agt.indexOf("msie 5.0")!=-1) );

var is_ie5up  = (is_ie  && !is_ie3 && !is_ie4);

//------------------------------------------detect-------------------------