function loadStyleSheets(cssNumber,cssToLoad){
	if(document.styleSheets){
		for(var i=0; i<cssNumber; i++){
		    if(i!=cssToLoad){
				document.styleSheets[i].disabled = true;
			}
			else{
				document.styleSheets[i].disabled = false;
			}
		}
	}
}

  if (navigator.appName.indexOf("Explorer") != -1)
 {if (navigator.appVersion.indexOf("Windows") != -1)
{ 
document.write('<link rel="stylesheet" href="../files/nypu2.css">');
document.write('<link rel="stylesheet" href="../files/nypu.css">');
}
  }

  else if (navigator.appName.indexOf("Netscape") != -1)
  {if (navigator.appVersion.indexOf("Win") != -1)    // Netscape specific navigator.appVersion
    {
document.write('<link rel="stylesheet" href="../files/nypuns.css">');
}
  }