function showDate()
{
var d = new Date();  
document.write(""+d.getFullYear()+"年"+(d.getMonth()+1)+"月"+d.getDate()+"日");
switch(d.getDay())
{
 case 0:
  document.write("  <font color=#FF0000>日曜日");
  break;
 case 1:
  document.write("  <font color=#000000>月曜日");
  break;
 case 2:
  document.write("  <font color=#000000>火曜日");
  break;
 case 3:
  document.write("  <font color=#000000>水曜日");
  break;
 case 4:
  document.write("  <font color=#000000>木曜日");
  break;
 case 5:
  document.write("  <font color=#000000>金曜日");
  break;
 case 6:
  document.write("  <font color=#FF0000>土曜日");
  break;
}
 document.write("</font>");
}