/* AStartYear: available starting year */
function removeYears(thPeriod,AStartYear)
{
  var list=document.getElementsByName("PERIOD")[thPeriod];
  var v, ayear;
  var yystr,mmstr , yy=0,mm;
  
  ayear=parseInt(AStartYear);
  var flag=false;
  while (yy<ayear)
  {
    v=list.options[0].value;
    mmstr=v.substr(0,3);
    yystr=v.substr(3,4);
    yy=parseInt(yystr);
    if (yy < ayear)
    {
      list.remove(0);
    }
    else
      break;
  }
}

var mmList=new Array("JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC");

function fillInYears(thPeriod)
{
  var list=document.getElementsByName("PERIOD")[thPeriod];
  var i,v;
  var yystr,mmstr, yy,mm;
  var newOpt;
  
  v=list.options[0].value;
  mmstr=v.substr(0,3);
  yystr=v.substr(3,4);
  yy=parseInt(yystr);
  
  var k=0;
  for(i=1994; i<=yy-1; i++)
  {
    for (j=0; j<mmList.length; j++)
    {
      newOpt = new Option(mmList[j]+""+i,mmList[j]+""+i);
      list.add(newOpt,k);
      k++;
    }
  }
  
}