// JAVASCRIPT tucano_util.js VERSION 1.0
  var myClient  = "pantera";
	var cssDir	  = "css/";
	var NS4CSS    = "_ns4.css";
	var winIECSS  = ".css";
	var winIE6CSS = ".css";
	var strdCSS   = ".css";

	// *************************************************************
	//  CLIENT_SIDE SNIFFER CODE
	// *************************************************************
	// convert all characters to lowercase to simplify testing
	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);

	// *** BROWSER TYPE ***
	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_aol  = (agt.indexOf('aol') != -1);
	var is_nav4 = (is_nav && (is_major == 4));
	var is_nav5   = (is_nav && (is_major == 5));
	var is_nav5up = (is_nav && (is_major >= 5));
	var is_nav6   = (is_nav && (is_major == 6));
	var is_nav4up = (is_nav && (is_major >= 4));
	var is_nav6up = (is_nav && (is_major >= 6));
	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_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
	var is_ie5up  = (is_ie  && !is_ie3 && !is_ie4);
	var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
	var is_opera  = (agt.indexOf("opera") != -1);

	// *** PLATFORM ***
	var is_win      = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
	var is_mac      = (agt.indexOf("mac")!=-1);
	var is_sun      = (agt.indexOf("sunos")!=-1);
	var is_irix     = (agt.indexOf("irix") !=-1);    // SGI
	var is_hpux     = (agt.indexOf("hp-ux")!=-1);
	var is_aix      = (agt.indexOf("aix") !=-1);      // IBM
	var is_linux    = (agt.indexOf("inux")!=-1);
	var is_sco      = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1);
	var is_unixware = (agt.indexOf("unix_system_v")!=-1);
	var is_mpras    = (agt.indexOf("ncr")!=-1);
	var is_reliant  = (agt.indexOf("reliantunix")!=-1);
	var is_dec    = ((agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1) ||
          	       (agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1) ||
           	       (agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1));
	var is_sinix    = (agt.indexOf("sinix")!=-1);
	var is_freebsd  = (agt.indexOf("freebsd")!=-1);
	var is_bsd      = (agt.indexOf("bsd")!=-1);
	var is_unix     = ((agt.indexOf("x11")!=-1) || is_irix || is_sco ||
	is_unixware || is_mpras || is_reliant ||
	             is_dec || is_sinix || is_aix || is_bsd || is_freebsd);

	// Load stylesheet
	ChooseStyleSheet();

// Handle Navigator 4 window resizing
if (is_nav4up && !is_nav5up) {
   var initWidth, initHeight;
   initWidth  = window.innerWidth;
   initHeight = window.innerHeight;
   window.captureEvents(Event.RESIZE);
   window.onresize = handleResize;
}

// *********************************************************************
//  UTILITY FUNCTIONS
// *********************************************************************
// Function to handle window resizing on Navigator 4
function handleResize() {
   if ( ( (initWidth != window.innerWidth) || (initHeight != window.innerHeight)) && (typeof disableReload == "undefined") ) {
     location.reload();
   }
   return false;
}

// Function to choose the style sheet for use based on the platform and browser version
function ChooseStyleSheet() {
  var fileHead = cssDir + myClient;
  var styles;
  if (is_win) {
		if (is_nav4) {
	      styles = fileHead + NS4CSS;
		} else if (is_ie6) {
		  styles = fileHead + winIE6CSS;		  
		} else if (is_nav5up) {
		  styles = fileHead + strdCSS;		  
		} else if (is_opera) {
		  styles = fileHead + strdCSS;		  
		} else {
		  styles = fileHead + winIECSS;
		}
	  } else if (is_mac) {
	      if (is_nav) {
	        styles = fileHead + strdCSS;
		  } else {
		    styles = fileHead + strdCSS;
		  }
	  } else if (is_linux) {
	      if (is_nav) {
	        styles = fileHead + strdCSS;
		  } else {
		    styles = fileHead + strdCSS;
		  }
	  } else if (is_hpux) {
	      if (is_ie5) {
	        styles = fileHead + winIECSS;
		  } else {
		    styles = fileHead + strdCSS;
		  }
	  } else if (is_sun) {
	      if (is_nav4) {
	        styles = fileHead + NS4CSS;
		  } else {
		    styles = fileHead + strdCSS;
		  }
	  }  else {
			styles = fileHead + strdCSS;
	  }
	  document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\"/" + styles + "\">");
	  return true;
	}
