function BrowserPruefen(){
		this.ver=navigator.appVersion;
		this.dom=document.getElementById?1:0;
		this.mac=(this.ver.indexOf("Mac")>-1)?1:0;
		this.ie5mac=(this.mac && this.ver.indexOf("5.0")>-1 && this.ver.indexOf("MSIE")>-1)?1:0
		this.ie4mac=(this.mac && this.ver.indexOf("4.5")>-1 && this.ver.indexOf("MSIE")>-1)?1:0	
		this.ie=(this.ver.indexOf("MSIE")>-1)?1:0;
		this.ie5=(this.ver.indexOf("MSIE 5")>-1&&this.dom)?1:0;
		this.ie4=(document.all&&!this.dom)?1:0;
		this.iens6=(document.all||document.getElementById)?1:0;
		this.ns5=(this.dom&&parseInt(this.ver)>=5)?1:0;
		this.ns4=(document.layers&&!this.dom)?1:0;
		this.browser=(this.ie5||this.ie4||this.ns4||this.ns5);
		return this;
		}
	
		browser=new BrowserPruefen();
		if (browser.mac){
			if (browser.ie5mac){document.writeln('<link rel="stylesheet" type="text/css" href="../gh_css/ie5mac.css">\n');}
			else if (browser.ie4mac){document.writeln('<link rel="stylesheet" type="text/css" href="../gh_css/ie4mac.css">\n');}
			else {document.writeln('<link rel="stylesheet" type="text/css" href="../gh_css/nsmac.css">\n');}}
		else{
			if (browser.ie){document.writeln('<link rel="stylesheet" type="text/css" href="../gh_css/iepc.css">\n');}
					else if (browser.ns){document.writeln('<link rel="stylesheet" type="text/css" href=".../gh_css/ns4pc.css">\n');}
			else {document.writeln('<link rel="stylesheet" type="text/css" href="../gh_css/nspc.css">\n');}}