// set variables
  var is_mac = window.navigator.platform == "MacPPC";
  var mac_ns = window.navigator.platform == "MacPPC" && navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) > "4";

  var mac    = window.navigator.platform == "MacPPC" && navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == "4";
  var mac_ie = window.navigator.platform == "MacPPC" && navigator.userAgent.match(/MSIE/i);
  var safari = window.navigator.platform == "MacPPC" && navigator.userAgent.match(/Safari/i);
  var ie     = navigator.userAgent.match(/MSIE\s5.*/i);
        var ie6    = navigator.userAgent.match(/MSIE\s6.*/i);
        var ie4    = navigator.userAgent.match(/MSIE\s4.*/i);
		var ie7    = navigator.userAgent.match(/MSIE\s7.*/i);
		var ie8    = navigator.userAgent.match(/MSIE\s8.*/i);
  var op     = navigator.userAgent.indexOf('Opera') != -1;
        var ns4    = navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == "4";
        var moz    = navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) > "4";
        var ns6    = navigator.userAgent.match(/Netscape6/i);
        var konq   = navigator.userAgent.match(/Konqueror/i);
        var timer  = null;

// flags for adtags
        var halfpage = 0;
  var LeaderBoard;


// load stylesheet

      if (ie6 ||ie7  ||ie8 ||ie) {
                document.write("<LINK REL=stylesheet HREF=\"menu_ie.css\" TYPE=\"text/css\">");
                document.write("<LINK REL=stylesheet HREF=\"layout.css\" TYPE=\"text/css\">");
				document.write("<LINK REL=stylesheet HREF=\"global.css\" TYPE=\"text/css\">");
                //alert('ie6');
        }

        else if (moz || konq) {
                document.write("<LINK REL=stylesheet HREF=\"menu_moz.css\" TYPE=\"text/css\">");
                document.write("<LINK REL=stylesheet HREF=\"layout.css\" TYPE=\"text/css\">");
				document.write("<LINK REL=stylesheet HREF=\"global.css\" TYPE=\"text/css\">");
                //alert('moz');
        }