// Sniffer Code Based On The Ultimate client-side JavaScript client sniff. Version 3.02
// (C) Netscape Communications 1999.  Permission granted to reuse and distribute.
// the rest of the code was written by dieter randolph: FunkMonkey@AvalancheGroup.com

// variable to ensure that this page has been read properly
	var is_read = true;

// BEGIN SNIFFER CODE
	var agt=navigator.userAgent.toLowerCase();

    	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) && (agt.indexOf('hotjava')==-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_nav6 = (is_nav && (is_major == 5));
    	var is_nav6up = (is_nav && (is_major >= 5));
    	var is_gecko = (agt.indexOf('gecko') != -1);

	var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    	var is_ie3    = (is_ie && (is_major < 4));
    	var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5")==-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_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
    	var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
    	var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);

    	var is_opera = (agt.indexOf("opera") != -1);
    	var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
    	var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
    	var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
    	var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
    	var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);
// END SNIFFER CODE

//redundancy department
		visible = 'visible';
		hidden = 'hidden';