function browserSpecificStyles()
      {
         if ((navigator.appName.indexOf("Explorer") >= 0)
            || (navigator.appName.indexOf("Mozilla") >=0))
         {   
            document.write("<link rel=stylesheet href =\"iestyle.css\" type=\"text/css\" media=screen>"); 
         }
         else if ((navigator.appName.indexOf("Netscape") >= 0) )
         {
           document.write("<link rel=stylesheet href =\"netstyle.css\" type=\"text/css\" media=screen>"); 
         }
       }