nsVersion = "nn"; //netscape
	msVersion = "ie"; //other
	br = false;
	isns = false;
	bName = navigator.appName.toLowerCase();
	bAgt = navigator.userAgent.toLowerCase();
	bVer = parseInt(navigator.appVersion);
	
	if (bName == "netscape" && ((bVer >= 4) && (bVer <5)))
		{
		br = nsVersion;
		isns = true;
		}
	else {
	//if (bName == "microsoft internet explorer" && bVer >= 4)
		br = msVersion;
		}
 	 
  	if (bAgt.indexOf("mac") != -1) {	//determine if the user is on a Mac
  		document.write("<LINK REL=\"stylesheet\" TYPE=\"text/css\" HREF=\"sr/ie4_pc.css\">"); 
	}
	if (br == "ie") {				//determine if the user is using Other    
 		document.write("<LINK REL=\"stylesheet\" TYPE=\"text/css\" HREF=\"sr/ie4_pc.css\">");
  	}
	if (br == "nn") {				//determine if the user is using Netscape
		document.write("<LINK REL=\"stylesheet\" TYPE=\"text/css\" HREF=\"sr/ns4_pc.css\">");
 	}		
    
  function handleResize(){
  	if (isns)
		{
	  	location.reload();
		return false;
		}
	else { return true}
	}
	
	if (isns) {
	window.captureEvents(Event.RESIZE);
	window.onresize = handleResize;
	}
	

function openwin(url,name)
{
        		var x;
                var y;      
                var fbreite=650;
                var fhoehe=510;
                if (screen.width <= 800){
                    x=0;
                        y=0
                        }
                else {
                    x=110;
                        y=20;
                        }
aussehen="toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,noresize,copyhistory=no,titlebar=no,top="+x+",left="+y+",width="+fbreite+",height="+fhoehe;
        newWindow = window.open(url,name,aussehen);
        newWindow.focus();
}