if((navigator.appName == "Netscape")&&(document.getElementById)){ 
document.write('<link rel="stylesheet" href="/scripte/lernen/styles_global_nn6.css" type="text/css">');
//alert("style");
}else{
style 	= 'styles_'+((navigator.appVersion.indexOf('Mac') > -1) ? 'mac_' : 'dose_')+((navigator.appName.indexOf('Explorer') > -1) ? 'explorer' : 'netscape')+'.css';
//alert(style);
document.write('<link rel="stylesheet" href="/scripte/lernen/'+style+'" type="text/css">'); 
}