var agora  = new Date();
                var hora   = agora.getHours();
                     
                if (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == "3")
                        var ano = agora.getYear()
                else  if (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) == "4")
                        var ano = agora.getYear()+1900
                else if (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) >= "4")
                        var ano = agora.getYear()
                else
                        var ano = agora.getYear()+1900        

                if(hora < 12)
                   document.write("<font face='verdana, MS Sans Serif, Arial' size='1' color='#999999'>"+"Bom Dia,"+"</font>");           
                else if(hora < 18)
                   document.write("<font face='verdana, MS Sans Serif, Arial' size='1' color='#999999'>"+"Boa Tarde,"+"</font>");
                else 
                   document.write("<font face='verdana, MS Sans Serif, Arial' size='1' color='#999999'>"+"Boa Noite,"+"</font>");                 
               
              

Date.prototype.Months = ["Janeiro", "Fevereiro", "Março", 
                         "Abril", "Maio", "Junho", "Julho", 
                         "Agosto", "Setembro", "Outubro", 
                         "Novembro", "Dezembro"];

Date.prototype.format = dateFormat;

function dateFormat(format) {
   var dateString = format;

    
  dateString = dateString.replace( new RegExp("ano", "gi"), ano );
  
   
   dateString = dateString.replace( new RegExp("month", "gi"), this.Months[this.getMonth()] );
   
   
   dateString = dateString.replace( new RegExp("hh", "gi"), this.getHours() );
   
   
   var mm = new String( this.getMinutes() );
   
   if (mm.length == 1) mm = "0" + mm; 
   dateString = dateString.replace( new RegExp("mm", "gi"), mm );
   //ss    is seconds (always 2-digit) - i.e., 08
   var ss = new String( this.getSeconds() );
   
   if (ss.length == 1) ss = "0" + mm;
   dateString = dateString.replace( new RegExp("ss", "gi"), ss ); 
     
   dateString = dateString.replace( new RegExp("dd", "gi"), this.getDate() );

    
   return dateString;   
}

//*********************** end of dateformat.js *********************************


var d = new Date()
                var agora  = new Date();
                var hora   = agora.getHours();
                 

document.write (d.format("<font face='verdana, MS Sans Serif, Arial' size='1' color='#999999'>&nbsp;dd de month de ano &nbsp;&nbsp;&nbsp; hh:mm</font>"))