function standby(st)
{
   if ( st==1 && st0==1 )
   {
      document.getElementById("dyna").innerHTML = "  <img src=\"/img/standby.gif\" width=\"31\" height=\"31\">";
   }
   else
   {
      document.getElementById("dyna").innerHTML = "  <img src=\"/img/nstandby.png\" width=\"31\" height=\"31\">";
   }
}
function init()
{
   var form = document.getElementById('cform');
   
   form.onsubmit=function()
   {
      if ( !checkForm(form) )
      {
         return false;
      }
      document.getElementById("dynb").innerHTML = "<pre>\n\n\n\n</pre>";
      form.target = 'ut';
      st0 = 1;
      setTimeout("standby(1)",600);
      return true;
   }
}
function checkForm(form)
{
   if ( trim(form.prog.value)=="" )
   {
      alert("Please specify source code to compile.");
      form.prog.focus();
      st0 = 0;
      return false;
   }

   return true;
}
function trim(sString)
{
   while (sString.substring(0,1) == ' ')
   {
      sString = sString.substring(1, sString.length);
   }
   while (sString.substring(sString.length-1, sString.length) == ' ')
   {
      sString = sString.substring(0,sString.length-1);
   }
   return sString;
}
function oksubmit()
{
   return (st0==0);
}