function sixteen(){

var comp=new Array(16)
comp[1]="0"
comp[2]="1"
comp[3]="2"
comp[4]="3"
comp[5]="4"
comp[6]="5"
comp[7]="6"
comp[8]="7"
comp[9]="8"
comp[10]="9"
comp[11]="a"
comp[12]="b"
comp[13]="c"
comp[14]="d"
comp[15]="e"
comp[16]="f"

document.write("<hr color='");
for (i=1;i<=6;i++){
kotae_01=Math.floor(Math.random(0)*16+1)
kotae_02=comp[kotae_01]

document.write("",kotae_02,"");
}

document.write("' noshade size='2'>");
}
/////////////
function sixteen_plus(){

var comp=new Array(16)
comp[1]="0"
comp[2]="1"
comp[3]="2"
comp[4]="3"
comp[5]="4"
comp[6]="5"
comp[7]="6"
comp[8]="7"
comp[9]="8"
comp[10]="9"
comp[11]="a"
comp[12]="b"
comp[13]="c"
comp[14]="d"
comp[15]="e"
comp[16]="f"

      for (j=1;j<=40;j++){
      document.write("<font face='verdana' size='4' color='");
                                   for (i=1;i<=3;i++){
                                   kotae_11=Math.floor(Math.random(0)*16+1)
                                   kotae_12=comp[kotae_11]
                                   document.write("",kotae_12,"");
                                   document.write("",kotae_12,"");
                                   }
      document.write("' size='3'>o</font>");
      }
}