function show_clock(){

  today = new Date()

  if(today.getMinutes() < 10) {
    pad = "0"}
  else
    pad = "";
  document.write("<center><FONT SIZE=4 color=black face=Arial>Welcome</FONT></center>")

  if((today.getHours() < 12) && (today.getHours() >= 8))
  {  document.write("<center><FONT SIZE=2 color=black face=Arial>Good Morning</FONT></center>")}

  if((today.getHours() >= 12) && (today.getHours() < 18))
  {  document.write("<center><FONT SIZE=2 color=black face=Arial>Good Afternoon</FONT></center>")}

  if((today.getHours() >= 18) && (today.getHours() <= 23))
  {  document.write("<center><FONT SIZE=2 color=black face=Arial>Good Evening</FONT></center>")}

  if((today.getHours() >= 0) && (today.getHours() < 4))
  {  document.write("<center><FONT SIZE=2 color=black face=Arial>You're up late today</FONT></center>")}

  if((today.getHours() >= 4) && (today.getHours() <= 8))
  {  document.write("<center><FONT SIZE=2 color=black face=Arial>Wow! You are up early!!</FONT></center>")}

  document.write("<center><FONT SIZE=2 color=black face=Arial>Time: ",today.getHours(),":",pad,today.getMinutes())

  document.write("  Date: ",today.getDate(),"/",today.getMonth()+1,"/",today.getYear(),"<br></font></center>");
  }