if (/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent)){ 
 var ffversion=new Number(RegExp.$1)
 if (ffversion>=3)
   document.write("<link href='/css/StyleSheetpro3.css' rel='StyleSheet' type='text/css' />")
 else if (ffversion>=2)
   document.write("<link href='/css/StyleSheet22.css' rel='StyleSheet' type='text/css' />")
 else if (ffversion>=1)
   document.write("<link href='/css/StyleSheetpro3.css' rel='StyleSheet' type='text/css' />")
}
else
    document.write("<link href='/css/StyleSheetpro4.css' rel='StyleSheet' type='text/css' />")
// JScript File