var browser;
browser = new ClientSniffer();

// Standard CSS laden
//document.writeln("<link rel=stylesheet type=\"text/css\" href=\"scripts/main.css\">");


// NETSCAPE
if (browser.nav4up) {
	if (browser.nav6up) {
	    document.writeln("<link rel=stylesheet type=\"text/css\" href=\"scripts/main.css\">");
	}
}

// INTERNET EXPLORER
if (browser.ie4up) {
    document.writeln("<link rel=stylesheet type=\"text/css\" href=\"scripts/main.css\">");
}


//GECKO ENGINE (LINUX)
if (browser.gecko) {
	document.writeln("<link rel=stylesheet type=\"text/css\" href=\"scripts/main.css\">");
}


// OPERA
if (browser.opera) {
	document.writeln("<link rel=stylesheet type=\"text/css\" href=\"scripts/main.css\">");
}


// KONQUEROR (LINUX)
if (browser.konqueror) {
	document.writeln("<link rel=stylesheet type=\"text/css\" href=\"scripts/main.css\">");
}



// Aenderung von Thomas Hummel um Opera zu testen
if (browser.opera5) {
	document.writeln("<link rel=stylesheet type=\"text/css\" href=\"scripts/main.css\">");
}

// Popup-Script für Anfahrtsskizze
   function openwin(string) 
    {
    	window.open(string,"displayWindow","toolbar=no,width=412,height=340,directories=no,status=no,scrollbars=no,resize=no,menubar=no");
    }

function ClientSniffer() {
  this.ua = navigator.userAgent.toLowerCase();
  this.major = parseInt(navigator.appVersion);
  this.minor = parseFloat(navigator.appVersion);
  
  //alert(this.ua);
  //alert(this.major);
  //alert(this.minor);
  

  // Opera
  this.opera = this.ua.indexOf('opera') != -1;
  if (this.opera) {
    this.opera5 = (this.ua.indexOf("opera 5") != -1 || this.ua.indexOf("opera/5") != -1);
    this.opera6 = (this.ua.indexOf("opera 6") != -1 || this.ua.indexOf("opera/6") != -1);
    this.opera7 = (this.ua.indexOf("opera 7") != -1 || this.ua.indexOf("opera/7") != -1);
    return;
  } 

  // Konqueror
  this.konqueror = this.ua.indexOf('konqueror/2.2') != -1;
  if (this.konqueror) {
  	//return;
	//alert("Konqueror");
  }
   
  // MSIE
  this.ie = this.ua.indexOf('msie') != -1;
  if (this.ie) {
    this.ie3 = this.major < 4;
    this.ie4 = (this.major == 4 && this.ua.indexOf('msie 5') == -1 && this.ua.indexOf('msie 6') == -1);
    this.ie4up = this.major >= 4;
    this.ie5 = (this.major == 4 && this.ua.indexOf('msie 5.0') != -1);
    this.ie5up = !this.ie3 && !this.ie4;
    this.ie6 = (this.major == 4 && this.ua.indexOf('msie 6.0') != -1);
    this.ie6up = (!this.ie3 && !this.ie4 && !this.ie5 && this.ua.indexOf("msie 5.5") == -1);
    return;
  }

  // Misc.
  this.hotjava = this.ua.indexOf('hotjava') != -1; 
  this.webtv = this.ua.indexOf('webtv') != -1;
  this.aol = this.ua.indexOf('aol') != -1; 
  if (this.hotjava || this.webtv || this.aol) return;

  // Gecko, NN4+, and NS6
  this.gecko = this.ua.indexOf('gecko') != -1;
  this.nav = (this.ua.indexOf('mozilla') != -1 && this.ua.indexOf('spoofer') == -1 && this.ua.indexOf('compatible') == -1);
  if (this.nav) {
    this.nav4  = this.major == 4; // Navigator 4
    this.nav4up= this.major >= 4; // Navigator groesser 4
    this.nav5up= this.major >= 5; // Navigator groesser 5
    this.nav6  = this.major == 5; // Navigator 6
    this.nav6up= this.nav5up;     // Navigator groesser 6
    //this.nav7  = this.major == 5; // Navigator 7
    //this.nav7up= this.nav5up;     // Navigator groesser 7
  }
}