// visionix.js   (c) Copyright 2001  by Ossip Kaehr, Steffen Belz, Andreas Schenk, Sven Burdack
// ---------------------------------------------------------------------------------------------
// zentrale javascript funktionen

function Is (){

    var agt			= navigator.userAgent.toLowerCase();
    
    var app			= navigator.appName.toLowerCase();
    
    var code		= navigator.appCodeName.toLowerCase();

    this.major		= parseInt(navigator.appVersion);
    this.minor		= parseFloat(navigator.appVersion);
    
    this.nav		= ((agt.indexOf('mozilla') !=-1) && 
    					(agt.indexOf('spoofer') ==-1) && 
    					(agt.indexOf('compatible') ==-1) && 
    					(agt.indexOf('opera') ==-1) && 
    					(agt.indexOf('webtv') ==-1));
    this.nav4		= (this.nav && (this.major== 4) && (app.indexOf("netscape")!=-1));
    this.moz		= ((agt.indexOf('mozilla') !=-1) && (agt.indexOf("netscape")==-1));
	
    this.moz13		= (this.moz && (this.major== 1) && (app.indexOf("mozilla")!=-1));

    this.ie			= (agt.indexOf("msie") !=-1);
    this.ie5		= (this.ie && (this.major== 4) && (agt.indexOf("msie 5.0")!=-1));
    this.win		= ((agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1));


    this.win98		= ((agt.indexOf("win98") !=-1) || (agt.indexOf("windows 98")!=-1));
    this.winnt		= ((agt.indexOf("winnt") !=-1) || (agt.indexOf("windows nt") !=-1));
    this.win32		= (this.win95 || this.winnt || this.win98 || 
    					((this.major >= 4) && (navigator.platform == "Win32")) || 
    					(agt.indexOf("win32") !=-1) || 
    					(agt.indexOf("32bit") !=-1) );
    this.os2		= ((agt.indexOf("os/2") !=-1) || 
    					(navigator.appVersion.indexOf("OS/2") !=-1) || 
    					(agt.indexOf("ibm-webexplorer") !=-1));
    this.mac		= (agt.indexOf("mac")!=-1);
    this.sun		= (agt.indexOf("sunos")!=-1);
    this.irix		= (agt.indexOf("irix") !=-1);
    this.hpux		= (agt.indexOf("hp-ux")!=-1);
    this.aix		= (agt.indexOf("aix") !=-1);
    this.linux		= (agt.indexOf("inux")!=-1);
    this.sco		= (agt.indexOf("sco")!=-1) ||  (agt.indexOf("unix_sv")!=-1);
    this.unixware	= (agt.indexOf("unix_system_v")!=-1);
    this.sinix		= (agt.indexOf("sinix")!=-1);
    this.freebsd	= (agt.indexOf("freebsd") !=-1);
    this.bsd		= (agt.indexOf("bsd") !=-1);
    this.unix		= ((agt.indexOf("x11") !=-1) 
					|| this.sun 
					|| this.irix 
					|| this.hpux 
					|| this.sco 
					|| this.unixware 
					|| this.sinix 
					|| this.aix 
					|| this.linux 
					|| this.bsd 
					|| this.freebsd);
    this.vms		= ((agt.indexOf("vax")!=-1) ||  (agt.indexOf("openvms") !=-1));
	}

var is;

/* ------------------------------
var isIE3Mac = false;
// this section is designed specifically for IE3 for the Mac

if ((navigator.appVersion.indexOf("Mac") !=-1) &&
	(navigator.userAgent.indexOf("MSIE") !=-1) && (parseInt(navigator.appVersion) == 3))
       isIE3Mac = true;
else   is = new Is();
------------------------------ */

is = new Is();

function sheet(){
if (is.mac && is.nav4) {document.write('<link rel="stylesheet" type="text/css" href="system/macstyle-nav4.css">');} 
else if (is.mac && is.nav) {document.write('<link rel="stylesheet" type="text/css" href="system/macstyle.css">');}
else if (is.mac && is.ie5) {document.write('<link rel="stylesheet" type="text/css" href="system/macstyle-ie5.css">');} 
else if (is.mac && is.ie) {document.write('<link rel="stylesheet" type="text/css" href="system/macstyle-ie.css">');} 
else if (is.win) {document.write('<link rel="stylesheet" type="text/css" href="system/pcstyle.css">');} 
else if (is.unix) {document.write('<link rel="stylesheet" type="text/css" href="system/unixstyle.css">');}
}

function sheet_admin(){
if (is.mac && is.nav4) {document.write('<link rel="stylesheet" type="text/css" href="../../macstyle-nav4.css">');} 
else if (is.mac && is.nav) {document.write('<link rel="stylesheet" type="text/css" href="../../macstyle.css">');}
else if (is.mac && is.ie5) {document.write('<link rel="stylesheet" type="text/css" href="../../macstyle-ie5.css">');} 
else if (is.mac && is.ie) {document.write('<link rel="stylesheet" type="text/css" href="../../macstyle-ie.css">');} 
else if (is.win) {document.write('<link rel="stylesheet" type="text/css" href="../../pcstyle.css">');} 
else if (is.unix) {document.write('<link rel="stylesheet" type="text/css" href="../../unixstyle.css">');}
}