function openPopup(url, name, width, height)
{
  var oTarget = window.open(url, name, 'scrollbars=no, toolbar=no, resizable=yes, menubar=no, status=no, width=' + width + ', height=' + height + ' top=250, left=350');
  oTarget.focus();
  return false;
}

function openScrolledPopup(url, name, width, height)
{
  var oTarget = window.open(url, name, 'scrollbars=yes, toolbar=no, resizable=yes, menubar=no, status=no, width=' + width + ', height=' + height + ' top=250, left=350');
  oTarget.focus();
  return false;
}

function HideControl( id )
{
  document.getElementById( id ).style.display = 'none';
}

function ShowControl( id )
{
  document.getElementById( id ).style.display = 'inline';
}

function nextFieldFocus(curObj, prevObj, nextObj, length, event)
{
  if( event.keyCode == '37' || event.keyCode == '39' )
  {
    return;
  }
  if(nextObj != null && curObj.value.length == length && event.keyCode != '9' && event.keyCode != '16')
  {
    nextObj.focus();
    nextObj.select();
  }
  if(event.keyCode == '8' && curObj.value.length == 0)
  {
    prevObj.focus();
    rng = prevObj.createTextRange(); 
    rng.collapse(false); 
    rng.select(); 
    prevObj.click(); 
  }
}


function newImage(arg)
{
  if (document.images)
  {
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function changeImages()
{
  if (document.images)
  {
    for (var i=0; i<changeImages.arguments.length; i+=2)
    {
      document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
    }
  }
}

//************************************************************* 
function Trim (str)  
{ 
  return RTrim(LTrim(str)); 
} 
//*************************************************************   
function LTrim (str) { 
var ret_str = str; 
for (var i=0; i<str.length; i++){ 
  if (str.charAt(i) == ' ') {;} 
  else  
  { 
    ret_str = str.substring(i); 
    return ret_str; 
  } 
} 
ret_str=''; 
return ret_str; 
} 
//************************************************************* 
function RTrim (str) { 
  var ret_str = str; 
  for (var i=(str.length-1); i>=0; i--) 
  { 
    if (str.charAt(i) == ' ') {;} 
    else  
    { 
      ret_str = str.substring(0,(i+1)); 
      return ret_str; 
    } 
  } 
  ret_str=''; 
  return ret_str; 
}