if (!Number.prototype.toFixed) {
  Number.prototype.toFixed = function (x) {
    return Math.round(this * Math.pow(10, x));
  }
}


if(document.all && !document.getElementById) {
  document.getElementById = function(id) {
    return document.all[id];
  }
}


function $(id) {
  return document.getElementById(id);
}


function getRealX (eElement)
{
   if (!eElement && this)                    // if argument is invalid
   {                                         // (not specified, is null or is 0)
      eElement = this;                       // and function is a method
   }                                         // identify the element as the method owner
 
   var DL_bIE = document.all ? true : false; // initialize var to identify IE
                                     
   var nLeftPos = eElement.offsetLeft;       // initialize var to store calculations 
   var eParElement = eElement.offsetParent;  // identify first offset parent element                            

   while (eParElement != null)                 
   {                                         // move up through element hierarchy
      if(DL_bIE)
      {
         if(eParElement.tagName == "TD")     // if parent a table cell, then...
         {
            nLeftPos += eParElement.clientLeft; // append cell border width to calcs
         }
      }

      nLeftPos += eParElement.offsetLeft;    // append left offset of parent
      eParElement = eParElement.offsetParent; // and move up the element hierarchy
   }                                         // until no more offset parents exist
   return nLeftPos;                          // return the number calculated
}
    
function getRealY (eElement)
{
   if (!eElement && this)                    // if argument is invalid
   {                                         // (not specified, is null or is 0)
      eElement = this;                       // and function is a method
   }                                         // identify the element as the method owner

   var DL_bIE = document.all ? true : false; // initialize var to identify IE
                                     
   var nTopPos = eElement.offsetTop;       // initialize var to store calculations 
   var eParElement = eElement.offsetParent;  // identify first offset parent element                            

   while (eParElement != null)                 
   {                                         // move up through element hierarchy
      if(DL_bIE)
      {
         if(eParElement.tagName == "TD")     // if parent a table cell, then...
         {
            nTopPos += eParElement.clientTop; // append cell border width to calcs
         }
      }

      nTopPos += eParElement.offsetTop;    // append top offset of parent
      eParElement = eParElement.offsetParent; // and move up the element hierarchy
   }                                         // until no more offset parents exist
   return nTopPos;                          // return the number calculated
}


function getAjax() 
{
  var retval = null;
  try {retval = new XMLHttpRequest() } catch(e1) {
    try {retval = new ActiveXObject("Microsoft.XMLHTTP") } catch(e2) {
      try {retval = new ActiveXObject("Msxml2.XMLHTTP") } catch(e3) {}
    }
  }
  
  return retval;
}

function getClientWidth()
{
  return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientWidth:document.body.clientWidth;
}

function getClientHeight()
{
  return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientHeight:document.body.clientHeight;
}