Hangman Game Using Javascript

<FORM NAME="f">
 
<TABLE BGCOLOR=#428bca BORDER=1>
 <TR>
  <TD COLSPAN=4 ALIGN=RIGHT>
   Score : <INPUT TYPE=TEXT NAME="score" VALUE="0" onfocus="score.blur();" SIZE=2>
   <BR>
   Fails (6): <INPUT TYPE=TEXT NAME="lives" VALUE="0" onfocus="lives.blur();" SIZE=2>  
  </TD>
  <TD COLSPAN=7 ALIGN=CENTER>
   <INPUT TYPE=TEXT NAME="word" VALUE="    --- Hangman ---" onfocus="word.blur();" SIZE=25> 
    <BR>
   <INPUT TYPE=TEXT NAME="tried" VALUE="Click GO to get a word." onfocus="tried.blur();" SIZE=25>  
  </TD>
  <TD COLSPAN=2 ALIGN=CENTER>
   <INPUT TYPE=BUTTON onclick="new_word(this.form);" VALUE=" GO ">   
  </TD>
 </TR>
 <TR>
  <TD><INPUT TYPE=BUTTON VALUE=" A "   onclick="seek('A');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" B "   onclick="seek('B');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" C "   onclick="seek('C');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" D "   onclick="seek('D');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" E "   onclick="seek('E');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" F "   onclick="seek('F');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" G "   onclick="seek('G');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" H "   onclick="seek('H');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" I   " onclick="seek('I');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" J  "  onclick="seek('J');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" K "   onclick="seek('K');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" L  "  onclick="seek('L');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" M "   onclick="seek('M');"></TD>
 </TR>
 <TR>
  <TD><INPUT TYPE=BUTTON VALUE=" N "   onclick="seek('N');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" O "   onclick="seek('O');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" P "   onclick="seek('P');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" Q "   onclick="seek('Q');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" R "   onclick="seek('R');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" S "   onclick="seek('S');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" T "   onclick="seek('T');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" U "   onclick="seek('U');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" V "   onclick="seek('V');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" W "   onclick="seek('W');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" X  "  onclick="seek('X');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" Y "   onclick="seek('Y');"></TD>
  <TD><INPUT TYPE=BUTTON VALUE=" Z  "  onclick="seek('Z');"></TD>
 </TR>
</TABLE>
 
</FORM>

<SCRIPT LANGUAGE="javascript">
 
/*
Script by Mike Mcgrath- http://website.lineone.net/~mike_mcgrath
Featured on JavaScript Kit (http://javascriptkit.com)
For this and over 400+ free scripts, visit http://javascriptkit.com
*/
 
var alpha=new Array();
var alpha_index=0;
 
var bravo=new Array();
var bravo_index=0;
 
var running=0;
var failnum=0;
var advising=0;
 
function pick()
{
  var choice="";
  var blank=0;
 
  for (i=0; i<words[index].length; i++)
  {
    t=0;
    for(j=0; j<=alpha_index; j++) 
    if(words[index].charAt(i)==alpha[j] || words[index].charAt(i)==alpha[j].toLowerCase()) t=1;
 
    if (t) choice+=words[index].charAt(i)+" ";
    else 
    {
      choice+="_ ";
      blank=1;
    }
  }   
 
  document.f.word.value=choice;
 
  if (!blank)
  {
    document.f.tried.value="   === You Win! ===";
    document.f.score.value++;
    running=0;
  }
} 
 
 
function new_word(form)
{
  if(!running)
  {
    running=1;
    failnum=0;
    form.lives.value=failnum;
    form.tried.value="";
    form.word.value="";
    index=Math.round(Math.random()*10000) % 100;
    alpha[0]=words[index].charAt(0);
    alpha[1]=words[index].charAt(words[index].length-1);
    alpha_index=1;
    bravo[0]=words[index].charAt(0);
    bravo[1]=words[index].charAt(words[index].length-1);
    bravo_index=1;
    pick();
  }
  else advise("A word is already in play!");
}
 
function seek(letter)
{
  if (!running) advise(".....Click GO to start !");
  else
  {
    t=0;
    for (i=0; i<=bravo_index; i++)
    {
      if (bravo[i]==letter || bravo[i]==letter.toLowerCase()) t=1;
    }
 
    if (!t) 
	  {
	    document.f.tried.value+=letter+" "
	    bravo_index++;
	    bravo[bravo_index]=letter;
 
      for(i=0;i<words[index].length;i++)
   	  if(words[index].charAt(i)==letter || words[index].charAt(i)==letter.toLowerCase()) t=1;
 
      if(t)
      {
  	    alpha_index++;
	      alpha[alpha_index]=letter;
	    }
	    else failnum++;
 
      document.f.lives.value=failnum;
	    if (failnum==6) 
      {
        document.f.tried.value="You lose - Try again!";
        document.f.word.value=words[index];
        document.f.score.value--;
        running=0;
      }
			else pick();
	  }
	  else advise("Letter "+letter+" is already used!");
  }
}
 
function advise(msg)
{
  if (!advising)
  {
    advising=-1;
    savetext=document.f.tried.value;  
    document.f.tried.value=msg;
    window.setTimeout("document.f.tried.value=savetext; advising=0;",1000);
  }
}
 
var words = new Array("","acrimonious","allegiance","ameliorate","annihilate","antiseptic","articulate","authoritative","benefactor","boisterous","breakthrough","carcinogenic","censorious","chivalrous","collarbone","commendable","compendium","comprehensive","conclusive","conscientious","considerate","deferential","denouement","determinate","diffidence","disruption","earthenware","elliptical","entanglement","escutcheon","extinguish","extradition","fastidious","flamboyant","forethought","forthright","gregarious","handmaiden","honeysuckle","hypocritical","illustrious","infallible","lumberjack","mischievous","mollycoddle","nimbleness","nonplussed","obliterate","obsequious","obstreperous","opalescent","ostensible","pandemonium","paraphernalia","pawnbroker","pedestrian","peremptory","perfunctory","pernicious","perpetrate","personable","pickpocket","poltergeist","precipitous","predicament","preposterous","presumptuous","prevaricate","propensity","provisional","pugnacious","ramshackle","rattlesnake","reciprocate","recrimination","redoubtable","relinquish","remonstrate","repository","reprehensible","resolution","resplendent","restitution","retaliation","retribution","saccharine","salubrious","skulduggery","skyscraper","soothsayer","tearjerker","transcribe","turpentine","unassuming","underscore","undertaker","underwrite","unobtrusive","vernacular","waterfront","watertight");
 
</SCRIPT>