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)); 
    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_nav4_7up = (is_nav && ((is_minor >= 4.7) && (is_major != 5)));
    var is_navonly  = (is_nav && ((agt.indexOf(";nav") != -1) 
                       || (agt.indexOf("; nav") != -1)) ); 
    var is_nav5     = (is_nav && (is_major == 5));
    if (is_nav5)
     { 
         var version;
       	 if ( agt.indexOf("netscape6/") != -1 )
       	  {
       	     version = agt.split("netscape6/"); 
       	  }
       	 if ( agt.indexOf("netscape/7") != -1 )
       	  {
       	     version = agt.split("netscape/");
       	  }
       	 is_major = parseInt(version[1].slice(0,1));
       	 is_minor = parseFloat(version[1].slice(0,3));
     }
    var is_nav6     = (is_nav && (is_major == 6));
    var is_nav6up   = (is_nav && (is_minor >= 6));
    var is_nav6_2up = (is_nav && (is_minor >= 6.2) && (is_major != 7));
    var is_nav7     = (is_nav && (is_major == 7));
    var is_gecko    = (agt.indexOf('gecko') != -1);
    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));
    if (is_ie4up)
     {
       var version = navigator.appVersion;
       	   version = version.split(";");
       	  is_major = parseInt(version[1].slice(5,7));
       	  is_minor = parseFloat(version[1].slice(5));
     }
    var is_ie5       = (is_ie && (is_major == 5)); 
    var is_ie5up     = (is_ie && (is_minor >= 5));
    var is_ie5upMac  = (is_ie && ((is_minor >= 5) && (is_minor <= 5.2)));
    var is_ie51upMac  = (is_ie && (is_major == 5) &&
        (agt.indexOf("msie 5.") != -1) && (agt.indexOf("msie 5.0") == -1));
    var is_ie5_5up   = (is_ie && ((is_minor >= 5.5) || (is_major > 5)));
    var is_js; 
    if (is_nav2 || is_ie3) is_js = 1.0; 
    else if (is_nav3) is_js = 1.1; 
    else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2; 
    else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3; 
    else if (is_nav5) is_js = 1.4; 
    else if (is_nav && (is_major > 5)) is_js = 1.4; 
    else if (is_ie && (is_major > 5)) is_js = 1.3; 
    else is_js = 0.0; 
    var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
    var is_mac    = (agt.indexOf("mac")!=-1);
    var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) || 
                                (agt.indexOf("powerpc")!=-1)));
    var is_macosx = (is_mac && (agt.indexOf("os x")!=-1));
    var is_640x480 = false;
    var is_800x600 = false;
    var is_1024x768 = false;
    if ( is_nav4up || is_ie4up )
    {
	if ( screen.width==640 && screen.height==480 )
	    is_640x480 = true;
	else if ( screen.width==800 && screen.height==600 )
	    is_800x600 = true;
	else if ( screen.width==1024 && screen.height==768 )
	    is_1024x768 = true;
    }

	var supported = false;
	if ( navigator.javaEnabled() )
	{
		javaEnabled = true;
	}
	if ((is_nav6_2up) || (is_nav7) || (is_mac && is_ie51upMac) || (is_win && is_ie5_5up))
	{
		supported = true;
	}

	if (document.URL.indexOf("optInSupport") != -1)
	{
		supported = true;
	}

	if (document.URL.indexOf("optInJava") != -1)
	{
		supported = true;
	}

	if(agt.indexOf('safari') != -1)
	{
		supported = true;
	}

	if ( !supported )
		top.location = "http://www.plymouth.edu/"