var curImgName = "";
	
	// Erkennen ob Navigator 3+ oder IE 4+
        bName = navigator.appName;    
        bVer = parseInt(navigator.appVersion);
        
        if ((bName == "Netscape" && bVer >=3) ||
                (bName == "Microsoft Internet Explorer" && bVer >=4)) br = "n3";
        else br = "n2";

// Image-Objekte erstellen, laden aller aktiven und inaktiven Images
        if (br == "n3") {
		
    		                                   
                
                img1on = new Image(); 									// aktive images                          
                img1on.src = "images/home_a.gif";
                img2on = new Image();
                img2on.src = "images/kontakt_a.gif";
                img3on = new Image();
                img3on.src = "images/impressum_a.gif";
				img4on = new Image();
                img4on.src = "images/referenzen_a.gif";
				img5on = new Image();
                img5on.src = "images/lesen_a.gif";
				img6on = new Image();
                img6on.src = "images/schauen_a.gif";	
				img7on = new Image();
                img7on.src = "images/eckdaten_a.gif";	
				img8on = new Image();
                img8on.src = "images/verweise_a.gif";			
				
				
				
				
				
				
				
				
 
                img1off = new Image(); 								// passive images                          
                img1off.src = "images/home_p.gif";
                img2off = new Image();
                img2off.src = "images/kontakt_p.gif";
                img3off = new Image();
                img3off.src = "images/impressum_p.gif";
				img4off = new Image();
                img4off.src = "images/referenzen_p.gif";
				img5off = new Image();
                img5off.src = "images/lesen_p.gif";
				img6off = new Image();
                img6off.src = "images/schauen_p.gif";
				img7off = new Image();
                img7off.src = "images/eckdaten_p.gif";
				img8off = new Image();
                img8off.src = "images/verweise_p.gif";
			
		
								
        }

			  
	   // Funktion zum Aktivieren der Images
	function rollover(imgName)
	{					
		if (br== "n3") 	document[imgName].src=eval(imgName + "on.src");
	
	}
 	// Funktion zum Deaktivieren der Images
	function rolloff(imgName)
	{					
		if (br == "n3") 	document[imgName].src=eval(imgName + "off.src");
	}

function openWin1(URL)   {
        Fenster=window.open(URL,"Projektfenster", "toolbar=no,width=350,height=350,status=no,scrollbars=no,resize=no,menubar=no,left=500,top=150");
        window.setTimeout("Fenster.focus()",1000); 
	
	}
	
	function openWinContact(URL)   {
        Fenster=window.open(URL,"Projektfenster", "toolbar=no,width=300,height=300,status=no,scrollbars=no,resize=no,menubar=no,left=150,top=150");
        window.setTimeout("Fenster.focus()",1000); 
	
	}
              
	
   
              



function sprung(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}
          
 
 

 
function openSite(url){
 pro = window.open(url,"New","toolbar=yes,location=yes,directories=yes,status=no,menubar=no,scrollbars=yes,resizable=yes,width=800,height=600");
 pro.window.focus();
}
 
function sprung2(targ,selObj,restore){ //v3.0
  openSite(document.form1.select.options[document.form1.select.selectedIndex].value);
  if (restore) selObj.selectedIndex=0;
 
}