/* ============================================= */
// Files and directory structures
var cssDir = "/truwex/webscanner/styles/";

var NS4CSS = "styles_ns4.css";
var winIECSS = "styles_win_ie.css";
var winIE6CSS = "styles_win_ie6.css";
var strdCSS = "styles_strd.css";

// 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;
  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;
  }
  styles = fileHead + winIE6CSS;
  document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\"" + styles + "\">");
  return true;
}

// *************************************************************
//  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_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;
}