//*****************************************************************************
// Do not remove this notice.
//
// Copyright 2000-2004 by Mike Hall.
// See http://www.brainjar.com for terms of use.
//*****************************************************************************
//----------------------------------------------------------------------------
// General utility functions.
//----------------------------------------------------------------------------

function getContainerWith(node, tagName, className) {

  // Starting with the given node, find the nearest containing element
  // with the specified tag name and style class.

  while (node != null) {
    if (node.tagName != null && node.tagName == tagName &&
        hasClassName(node, className))
      return node;
    node = node.parentNode;
  }

  return node;
}

function hasClassName(el, name) {

  var i, list;

  // Return true if the given element currently has the given class
  // name.

  list = el.className.split(" ");
  for (i = 0; i < list.length; i++)
    if (list[i] == name)
      return true;

  return false;
}

function removeClassName(el, name) {

  var i, curList, newList;

  if (el.className == null)
    return;

  // Remove the given class name from the element's className property.

  newList = new Array();
  curList = el.className.split(" ");
  for (i = 0; i < curList.length; i++)
    if (curList[i] != name)
      newList.push(curList[i]);
  el.className = newList.join(" ");
}

function getPageOffsetLeft(el) {

  var x;

  // Return the x coordinate of an element relative to the page.

  x = el.offsetLeft;
  if (el.offsetParent != null)
    x += getPageOffsetLeft(el.offsetParent);

  return x;
}

function getPageOffsetTop(el) {

  var y;

  // Return the x coordinate of an element relative to the page.

  y = el.offsetTop;
  if (el.offsetParent != null)
    y += getPageOffsetTop(el.offsetParent);

  return y;
}

function Left(str, n){
	if (n <= 0)
	    return "";
	else if (n > String(str).length)
	    return str;
	else
	    return String(str).substring(0,n);
}
function Right(str, n){
    if (n <= 0)
       return "";
    else if (n > String(str).length)
       return str;
    else {
       var iLen = String(str).length;
       return String(str).substring(iLen, iLen - n);
    }
}

function windowOpener( url , name , args) {
	if ( typeof ( popupWin ) != "object" ) {
		popupWin = window.open( url , name , args );
	} else {
		if (!popupWin.closed){ 
			popupWin.location.href = url;
		} else {
			popupWin = window.open(url, name,args);
		}
	}
	popupWin.focus();
}

UTF8 = {
    encode: function(s){
        for(var c, i = -1, l = (s = s.split("")).length, o = String.fromCharCode; ++i < l;
            s[i] = (c = s[i].charCodeAt(0)) >= 127 ? o(0xc0 | (c >>> 6)) + o(0x80 | (c & 0x3f)) : s[i]
        );
        return s.join("");
    },
    decode: function(s){
        for(var a, b, i = -1, l = (s = s.split("")).length, o = String.fromCharCode, c = "charCodeAt"; ++i < l;
            ((a = s[i][c](0)) & 0x80) &&
            (s[i] = (a & 0xfc) == 0xc0 && ((b = s[i + 1][c](0)) & 0xc0) == 0x80 ?
            o(((a & 0x03) << 6) + (b & 0x3f)) : o(128), s[++i] = "")
        );
        return s.join("");
    }
};

/**
* Returns the value of the selected radio button in the radio group, null if
* none are selected, and false if the button group doesn't exist
*
* @param {radio Object} or {radio id} el
* OR
* @param {form Object} or {form id} el
* @param {radio group name} radioGroup
*/


function $RF(el, radioGroup) {
	var obj = $(el);
	if ( obj ) { 
		if( obj.type && obj.type.toLowerCase() == 'radio') {
			var radioGroup = $(el).name;
			var el = $(el).form;
		} else if ($(el).tagName.toLowerCase() != 'form') {
			return false;
		};
		var checked = $(el).getInputs('radio', radioGroup).find(
			function(re) {return re.checked;}
		);
		return (checked) ? $F(checked) : null;
	} else {
		return false;
	}
}


function doCompareDates ( d1 , comparison , d2 )
{
	var day1 = 0;
	var month1 = 0;
	var year1 = 0;
	var day2 = 0;
	var month2 = 0;
	var year2 = 0;

	var d1_array = d1.split( "/" );
	
	year1 = Number ( d1_array[2] );
	month1 = Number ( d1_array[1] ) -1;
	day1 = Number ( d1_array[0] );
		
	var date1 = new Date ( year1, month1, day1 );

	
	var d2_array = d2.split( "/" );
	year2 = Number ( d2_array[2] );
	month2 = Number ( d2_array[1] ) - 1;
	day2 = Number ( d2_array[0] );
	
	var date2 = new Date ( year2, month2, day2 );
		
	if ( comparison == '>' )
	{
		if ( date1 > date2 )
		{
			return true;
		}
		else
		{
			return false;
		} 
	}
	else
	{
		if ( date1 < date2 )
		{
			return true;
		}
		else
		{
			return false;
		} 
	}
}