var lastimgFldname='';
var speech;
speech= false;

if (document.images)
{
 imgSpOn = new Image();
 imgSpOn.src = "/graphics/speech_on.gif";

 imgSpOff = new Image();
 imgSpOff.src= "/graphics/speech_off.gif";
}

function playsound(soundfile, imgFldname)
{
 if (document.all && document.getElementById && page_Loaded)
 {
  if(lastimgFldname!='' )
  {
   if(lastimgFldname!= imgFldname)
   {
    document[lastimgFldname].src= "/graphics/speech_off.gif";
    lastimgFldname= imgFldname;
    document[imgFldname].src= "/graphics/speech_on.gif";
    document.getElementById("soundeffect").src="";
    document.getElementById("soundeffect").src=soundfile;
    speech= true;
   }  
   else
   {
    if(!speech)
    {
     lastimgFldname= imgFldname;
     document[imgFldname].src= "/graphics/speech_on.gif";
     document.getElementById("soundeffect").src="";
     document.getElementById("soundeffect").src=soundfile;
     speech= true;
    }
    else
    {
     document[imgFldname].src= "/graphics/speech_off.gif";
     document.getElementById("soundeffect").src="";
     speech= false;
    }
   } 
  }
  else
  {
   lastimgFldname= imgFldname;
   document[imgFldname].src= "/graphics/speech_on.gif";
   document.getElementById("soundeffect").src="";
   document.getElementById("soundeffect").src=soundfile;
   speech= true;
  } 
 }
}