function get_cookie_value(myMasterKey,myDefault)
{
	myCookie = document.cookie;
	while (myCookie.indexOf("=",0) > -1)
	{
		i = myCookie.indexOf(";",0);
		if (i == -1)
			i = myCookie.length;
		myPair = myCookie.substring(0,i);
		j = myPair.indexOf("=",0);
		myKey = myPair.substring(0,j);
		if (myKey.substring(0,1) == " ")
			myKey = myKey.substring(1,(myKey.length));
		myValue = myPair.substring(j+1,(myPair.length));
		myCookie = myCookie.substring(i+1,(myCookie.length));
		if (myKey == myMasterKey)
		{
			return myValue;
		}
	}
	return myDefault;
}

function get_sub_cookie_value(myMasterKey,myCookie,myDefault)
{
	while (myCookie.indexOf("|",0) > -1)
	{
		i = myCookie.indexOf("&",0);
		if (i == -1)
			i = myCookie.length;
		myPair = myCookie.substring(0,i);
		j = myPair.indexOf("|",0);
		myKey = myPair.substring(0,j);
		if (myKey.substring(0,1) == " ")
			myKey = myKey.substring(1,(myKey.length));
		myValue = myPair.substring(j+1,(myPair.length));
		myCookie = myCookie.substring(i+1,(myCookie.length));
		if (myKey == myMasterKey)
		{
			return myValue;
		}
	}
	return myDefault;
}

function get_tracking_value(data,key,value_delimiter,pair_delimiter)
{
  var return_value = null;
  var key_pos = data.indexOf(key,0);
  var key_length = key.length + value_delimiter.length;
  if (key_pos > -1) {
    data = data.substring(key_pos+key_length,data.length);
    var end_pos = data.indexOf(pair_delimiter,0);
    if (end_pos == -1)
      end_pos = data.length
    return_value = data.substring(0,end_pos);
  }
  return return_value;
}

//update get cookie value function, combines both get cookie value and get sub cookie value in one function.
function get_pair_list_value(key,pair_list,default_value,equal_delimiter,pair_delimiter)
{
  var tmp_pair = "";
  var tmp_value = "";
  var return_value = default_value;
  var i = -1;
  var j = -1;
	while (pair_list.indexOf(equal_delimiter,0) > -1)
	{
		i = pair_list.indexOf(pair_delimiter,0);
		if (i == -1)
			i = pair_list.length;
		tmp_pair = pair_list.substring(0,i);
		j = tmp_pair.indexOf(equal_delimiter,0);
		tmp_key = tmp_pair.substring(0,j);
		if (tmp_key.substring(0,1) == " ")
			tmp_key = tmp_key.substring(1,(tmp_key.length));
		tmp_value = tmp_pair.substring(j + equal_delimiter.length,(tmp_pair.length));
		pair_list = pair_list.substring(i + pair_delimiter.length,(pair_list.length));
		if (tmp_key == key)
			return_value = tmp_value;
	}   
	return return_value;
}
	
function set_cookie_value(myKey,myValue)
{
	document.cookie = myKey + "=" + myValue + ";path=" + COOKIE_PATH + ";";
}

function get_url_value(myKey)
{
	var myURLPos = -1;
	var myStr = null;
	var myTemp = window.document.location;
  if (myTemp != "")  {
  	var myURL = myTemp.toString();
  	var myOffset = myKey.length + 1;
  
  	if (myURL.indexOf('?') > -1)  {
  		//get page
  		myQS = myURL.substring(myURL.indexOf('?') + 1,myURL.length);
  		myURLPos = myQS.indexOf(myKey);
  		if (myURLPos > -1)  {
  			myStr = myQS.substring(myURLPos+myOffset,myQS.length);
  			if (myStr.indexOf('&') > 0)
  				myStr=myStr.substring(0,myStr.indexOf('&'));
  		}	
  	}
  }
	return myStr;
}

function get_qs_value(qs_key,qs,default_value)
{
  qs_value = default_value;
  if (qs != "")  {
    var offset = qs_key.length + 1;
  	qs = qs.toString();
 		var qs_pos = qs.indexOf(qs_key);
 		if (qs_pos > -1)  {
  	  qs_value = qs.substring(qs_pos+offset,qs.length);
  			if (qs_value.indexOf('&') > 0)
  				qs_value=qs_value.substring(0,qs_value.indexOf('&'));
  		}	
  }
	return qs_value;
}

function set_qs_value(qs_key,qs_value,qs)
{
  var return_qs = "";
  if (qs != "")  {
    var offset = qs_key.length + 1;
  	qs = qs.toString();
 		var qs_key_pos = qs.indexOf(qs_key);
 		if (qs_key_pos > -1)  {
      qs_value_pos = qs_key_pos+offset;
      var qs_left = qs.substring(0,qs_value_pos);
      var qs_right = "";
      qs_old_value = qs.substring(qs_value_pos,qs.length);
      if (qs_old_value.indexOf('&') > 0)
        qs_right = qs_old_value.substring(qs_old_value.indexOf('&'),qs_old_value.length);
      return_qs = qs_left + qs_value + qs_right;
    }	
  }
  else  {
    return_qs = qs_key + "=" + qs_value;
  }
	return return_qs;
}

function get_list_value(key,list,pair_delimiter,value_delimiter,default_value)
{
  var value = default_value;
  if (list != "")  {
    var offset = key.length + value_delimiter.length;
  	list = list.toString();
 		var list_pos = list.indexOf(key);
 		if (list_pos > -1)  {
  	  value = list.substring(list_pos+offset,list.length);
			if (value.indexOf(pair_delimiter) > -1)
				value = value.substring(0,value.indexOf(pair_delimiter));
 		}	
  }
	return value;
}

function set_list_value(key,value,list,pair_delimiter,value_delimiter)
{
  var return_list = "";
  if (list != "")  {
    var offset = key.length + value_delimiter.length;
  	list = list.toString();
 		var key_pos = list.indexOf(key);
 		if (key_pos > -1)  {
      value_pos = key_pos+offset;
      var left = list.substring(0,value_pos);
      var list = list.substring(value_pos,list.length);
      var right = list.substring(list.indexOf(pair_delimiter),list.length);
      return_list = left + value + right;
    }
    else  {
      return_list = list + key + value_delimiter + value + pair_delimiter;
    }
  }
  else  {
    return_list = key + value_delimiter + value + pair_delimiter;
  }
	return return_list;
}

function get_item_count(item_list,delimiter)
{
  var num_items = -1;
  var tmp_return = "nothing";
  while (tmp_return != "")  {
    tmp_return = get_item_in_list(item_list,num_items+2,delimiter);
    num_items += 1;
  }
  return num_items;
}

//1 based, not 0 based
function get_item_in_list(item_list,location,delimiter)
{
  var item_value = "";
  var tmp_pos = -1;
  var tmp_loc = parseInt(location);
  for (x = 1; x <= tmp_loc; x++)
  {
  	tmp_pos = item_list.indexOf(delimiter);
  	if (tmp_pos > -1) {
  		item_value = item_list.substring(0,tmp_pos);
  		item_list = item_list.substring(tmp_pos+1,item_list.length);
  	}
  	else  {
      if (x == 1)
    		item_value = item_list;
      else
        item_value = "";
    }
  }
  return item_value;
}

//1 based, not 0 based
function set_item_in_list(item_list,item_value,location,delimiter)
{
  var tmp_pos = -1;
  var master_pos = 0;
  var tmp_list = item_list;
  var tmp_loc = parseInt(location);
  for (x = 1; x <= tmp_loc; x++)
  {
  	tmp_pos = tmp_list.indexOf(delimiter);    
  	if (tmp_pos > -1) {
  		tmp_list = tmp_list.substring(tmp_pos+1,tmp_list.length);
      if (x == tmp_loc)  {
        item_list = item_list.substring(0,master_pos) + item_value + delimiter + tmp_list;
      }
      master_pos += tmp_pos + 1;
  	}
  }
  return item_list;
}
  
function open_popup(page_url,left,top,width,height,scroll,resize,menu)
{
	if ((page_url == null) || (page_url == ""))
		alert("Popup URL can not be empty.");
	else
	{
		if ((left == null) || (left == ""))
			left = "0";
		if ((top == null) || (top == ""))
			top = "0";
		if ((width == null) || (width == ""))
			width = "400";
		if ((height == null) || (height == ""))
			height = "300";
		if ((scroll == null) || (scroll == ""))
			scroll = "no";
		if ((resize == null) || (resize == ""))
			resize = "yes";
		if ((menu == null) || (menu == ""))
			menu = "no";
	}
		
	POPUP_WIN=open(page_url,"PopUpWin","left=" + left + ",top=" + top + ",scrollbars=" + scroll + ",resizable=" + resize + ",width=" + width + ",height=" + height + ",toolbar=no,directories=no,menubar=" + menu + ",status=no,");
  POPUP_WIN.focus();
}

function parse_string(myString,myDelimiter,myItemNum)
{
	var myPos = -1;
	var myItem = "";
	for (i = 1; i <= myItemNum; i++)  {
		myItem = myString;
		myPos = myString.indexOf(myDelimiter);
		if (myPos > -1) {
			myItem = myString.substring(0,myPos);
			myString = myString.substring(myPos+1,myString.length);
		}
	}	
	return myItem;
}

function convert_num_to_str(myNum,myPlaces)
{
	var myNumStr = myNum.toString();
	if (myPlaces == null)
		myPlaces = 3;
	var myZeros = ""
	
	for (y = 1; y < myPlaces; y++)  {
		for (q = 1; q <= (myPlaces-y); q++) {
			myZeros += "0";
		}
		if (myNumStr.length == y)
			myNumStr = myZeros + myNumStr;
		myZeros = "";
	}
	
	return myNumStr;
}

function convert_boolean_to_num(myBool)
{
	if (myBool)
		return 1;
	else
		return 0;
}

function convert_num_to_char(tmp_num)
{
  var tmp_str = "";
  for (i=0;i<tmp_num.length;i++)  {
    tmp_str += String.fromCharCode(tmp_num.charCodeAt(i)+20);
  }
  return tmp_str;
}

function generate_key()
{
  var i 
  var pszK = "";
  for (i = 0; i <= 80; i++) {
		pszK = pszK + String.fromCharCode(48 + i);
		pszK = pszK + String.fromCharCode(122 - i);
		i = i + 5;
	}
  return pszK
}

function encrypt(sStrIn,sKey,cHi,cLow)
{    
    var iLen 
	  var i
    var iChar 
    var iLastChar 
    var iLocation 
    var sEncryptedStr = "";
	  var cDelta = cHi - cLow + 1;
	
    iLen = sStrIn.length;
    //sKey = GenerateKey();
	//sKey = myUsername + "KARTAUSER" + myProgID;
    iLastChar = sKey.charCodeAt(0);
    iLocation = 0;
    
    for (i = 0; i < iLen; i++)
	{
        iChar = sStrIn.charCodeAt(i);
        iChar = iLastChar + iChar + sKey.charCodeAt((i % 40) + 1);
        while (iChar > cHi)
		{
            iChar = iChar - cDelta;
		}

        
        iLastChar = sStrIn.charCodeAt(iLocation);
        iLocation = iLocation + 1;
        sEncryptedStr = sEncryptedStr + String.fromCharCode(iChar);
    }

    return convertStrToDecStr(sEncryptedStr);
}


function decrypt(sInputStr,sKey,cHi,cLow)
{
    var sEncryptedStr
    var iLen 
	  var i 
    var iChar
    var iLastChar
    var sStrIn 
    var sStrOut
    var iLocation 
    var sStr = "";
    var cDelta = cHi - cLow + 1;
	  sEncryptedStr = convertDecStrToStr(sInputStr);
	//sKey = GenerateKey();
	//sKey = myUsername + "KARTAUSER" + myProgID;
    iLen = sEncryptedStr.length;
    sStrIn = sEncryptedStr;
    iLastChar = sKey.charCodeAt(0);
    iLocation = 0;
    
    for (i = 0; i < iLen; i++)
	{
        iChar = sStrIn.charCodeAt(i);
        iChar = iChar - iLastChar - sKey.charCodeAt((i % 40) + 1);
        while (iChar < cLow)
		{
            iChar = iChar + cDelta;
        }
        iLastChar = iChar;
        iLocation = iLocation + 1;
        sStr = sStr + String.fromCharCode(iChar);
   	}
    return sStr;
}

function get_obj_style(obj_id)
{
  if (W3CDOM) {
    return eval("document.getElementById('" + obj_id + "').style");
	}
	else  {
		if (IE) {
      return eval(obj_id + ".style");
		}
		else  {
      return eval("document." + obj_id);
		}
 }
}

function mouse_ov(obj_name)
{
	var img_obj = eval("document." + obj_name);
	ORIG_IMG.name = obj_name;
	ORIG_IMG.src = img_obj.src;
  var ov_obj = eval(obj_name + "_OV");
  
	if (LOAD_DONE) {
		if (((obj_name == "NEXT") && (DISABLE_NEXT)) || ((obj_name == "PREVIOUS") && (DISABLE_PREV))) {
			//nothing
		}
		else  {
      if (check_preq(obj_name))
        img_obj.src = ov_obj.src;
    }
	}
}

function mouse(obj_name)
{
	if (LOAD_DONE) {
		img_obj = eval("document." + obj_name);
		img_obj.src = ORIG_IMG.src;
	}
}

function open_audio_win(page_num)
{
	if (SHOW_AUDIO) {
    audio_file = "audio/aud_page" + convert_num_to_str(page_num) + ".htm";
    //if (AUDIO_WIN == null)
  		AUDIO_WIN = window.open(audio_file,"AUDIOWIN","toolbar=no,menubar=no,location=no,height=" + AUDIO_WIN_HEIGHT + ",width=" + AUDIO_WIN_WIDTH + ",resizable=" + AUDIO_WIN_RESIZE + ",scrollbars=" + AUDIO_WIN_SCROLL + ",top=" + AUDIO_WIN_TOP + ",left=" + AUDIO_WIN_LEFT);
    //else
     // AUDIO_WIN.document.location.href = audio_file;
		AUDIO_WIN.focus();
	}
}

function get_qs()
{
  return "showaudio=" + convert_boolean_to_num(SHOW_AUDIO);
}

function close_child_windows()
{
	if (AUDIO_WIN != null)  {
		AUDIO_WIN.close();
    AUDIO_WIN = null;
  }
	if (GLOSS_WIN != null)  {
  	GLOSS_WIN.close();
    GLOSS_WIN = null;
  }
  if (RV_WIN != null) {
    RV_WIN.close();
    RV_WIN = null;
  }
  if (PREFS_WIN != null)  {
    PREFS_WIN.close();
    PREFS_WIN = null;
  }
  if (REFS_WIN != null)  {
    REFS_WIN.close();
    REFS_WIN = null;
  }
  if (HELP_WIN != null)  {
    HELP_WIN.close();
    HELP_WIN = null;
  }
  if (POPUP_WIN != null)  {
    POPUP_WIN.close();
    POPUP_WIN = null;
  }
}

function check_preq(obj_name)
{
  if (MENU_PREQ)  {
    var img_obj = eval("document." + obj_name);
    if (img_obj.src.indexOf("_de.") > -1)
      return false;
  }
  return true;
}

function convertStrToDecStr(myStr)
{
  var myDecStr = "";
  for (y = 0; y < myStr.length; y++)
	{
    myDecStr = myDecStr + myStr.charCodeAt(y) + "/";
	}
  return myDecStr;
}

function convertDecStrToStr(myDecStr)
{
  var myStr = "";
  while (myDecStr.indexOf("/",0) > -1)
  {
    myStr = myStr + String.fromCharCode(myDecStr.substring(0,myDecStr.indexOf("/",0)));
    myDecStr = myDecStr.substr(myDecStr.indexOf("/")+1);
  }
  return myStr;
}

function convert_to_hex(str)
{
  var return_str = "";
  for (y = 0; y < str.length; y++)
	{
    return_str += dec2hex(str.charCodeAt(y));
	}
  return return_str;
}

function convert_from_hex(str)
{
  var return_str = ""
  while (str.length > 0)
  {
    return_str += String.fromCharCode(hex2dec(str.substr(0,2)));
    if (str.length == 2)
      str = "";
    else
      str = str.substring(2,str.length);
  }
  return return_str;
}
function hex2dec(strVal){

// where strVal is a string
// parseInt('ff',16) == 255
return parseInt(strVal,16);

};

function dec2hex(n){
var hex = "0123456789ABCDEF";
var mask = 0xf;
var retstr = "";

	while(n != 0)
	{
		retstr = hex.charAt(n&mask) + retstr;
		n>>>=4;
	}

 return retstr.length == 0 ? "0" : retstr;
}

function before_unload()
{
  /*
  if (!NAVIGATING)
    return "You are about to exit this training.";
  */
}