/**
 * Copyright (c) 2007 - 2008, Qsens.is. <br>All Rights Reserved
 * 
 * @author Etienne Labuschagne
 * @author Herman Geldenhuys
 * @author Magnus Janse van Rensburg
 * @author Matthew Kelly
 */
var httpRequestDict = {};
var req = null;

function addOption(cbxName,value)
{
	var cbxElm = document.getElementById(cbxName)
	var opElm = document.createElement("option")
	opElm.innerText = value
	cbxElm.appendChild(opElm)
}

/*
@summary: Populates a combobox with a list of values   
@param cbxName: The id of the combobox elements
@param valuesArray:  a list of values to use for population
*/
function populateCombobox(cbxName,valuesArray,initialValue)
{
	deleteOptions(cbxName)
	var cbxElm = document.getElementById(cbxName)	
    //create new option elements
    if (initialValue != null)
    {        
    	var opElm = document.createElement("option")	
    	opElm.innerText = initialValue
    	opElm.text = initialValue
    	cbxElm.appendChild(opElm)
	}
	for (var x=0;x<valuesArray.length;x++)
	{
		var opElm = document.createElement("option")	
		opElm.innerText = valuesArray[x]
		opElm.text = valuesArray[x]				
		cbxElm.appendChild(opElm)
	}
}

/*
@summary: Deletes all the values from a combobox
@param elmId:  The id of the combobox elements
*/
function deleteOptions(elmId)
{		
	var elm = document.getElementById(elmId)
	elmLength = elm.options.length
	elm.options.length = 0	
}

/*
@summary: Creates a xml dom object from an xml string
@param xmlStr:  xml string to create dom from
@return: an xml dom instance
*/
function createDOM(xmlStr)
{
	re = /#/g
	re2 = /&/g
	xmlStr = xmlStr.replace(re,"")
	xmlStr = xmlStr.replace(re2,"And")

	//delete theDOM
	if (window.ActiveXObject)
	{
		var xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
		xmlDoc.async = false;
		xmlDoc.resolveExternals = false;
		xmlDoc.loadXML(xmlStr);
		return xmlDoc;
	}
	else
	{
		Parser = new DOMParser();
		var DOM = Parser.parseFromString(xmlStr, 'text/xml');
		return DOM;
	}
}

/*
@summary: Returns the selected value from aa combobox
@param selectBoxId: the id of the combobox
@return: The selected value in the combobox  	
*/
function getSelectedValue(selectBoxId)
{
	var elm = document.getElementById(selectBoxId);
	//debugger;
    var sIndex = elm.selectedIndex;
	if (sIndex == -1)
	{
	   return "";
	}
    var selectedValue = elm.options[sIndex].innerHTML;	
	return selectedValue;
}

/*
	@summary: returns a list of selected values from the given cbx id
*/
function getSelectedValues(cbxId)
{
	var resList = new Array()
	var elm = document.getElementById(cbxId)
	var optionsElms = elm.options
	counter = 0;
    for (var x=0;x<optionsElms.length;x++)
	{
		if (optionsElms.item(x).selected)
		{
			var tmpOpVal = optionsElms.item(x).innerText
			resList[counter] = tmpOpVal
            counter += 1; 
		}
	}
	return resList
}


/*
@summary: Returns the selected value from a combobox
@param selectBoxId: the id of the combobox
@return: The selected value in the combobox  	
*/
function getSelectedValueAttribute(selectBoxId)
{
	var elm = document.getElementById(selectBoxId)
	var sIndex = elm.selectedIndex
	if (sIndex == -1)
	{
	   return "";
	}
	var selectedValue = elm.options[sIndex].value	
	return selectedValue;
}


/*
@summary: Gets the index in a list of a given item
@param theItem:  the items index to find
@param theList: the list to search for the item
@return: The index of the given item in the list  	
*/
function getIndex(theItem,theList)
{
	for (var x=0;x<theList.length ;x++ )
	{
		if (theItem == theList[x])
		{
			return x
		}
	}
	return -1
}

function removeTabNewLineCarage(theParam)
{
    theParam = theParam.replace(/\n/g,"")
    theParam = theParam.replace(/\r/g,"")
    theParam = theParam.replace(/\t/g,"")
    return theParam;
}

function removeSpaces(val)
{
    val = val.replace(/\s/g,"")
    return val
}


function Trim(TRIM_VALUE)
{
	if(TRIM_VALUE.length < 1){
		return"";
	}
	TRIM_VALUE = RTrim(TRIM_VALUE);
	TRIM_VALUE = LTrim(TRIM_VALUE);
	if(TRIM_VALUE==""){
	return "";
	}
	else{
	return TRIM_VALUE;
	}
} 

function RTrim(VALUE)
{
	var w_space = String.fromCharCode(32);
	var v_length = VALUE.length;
	var strTemp = "";
	if(v_length < 0){
	return"";
	}
	var iTemp = v_length -1;

	while(iTemp > -1){
	if(VALUE.charAt(iTemp) == w_space){
	}
	else{
	strTemp = VALUE.substring(0,iTemp +1);
	break;
	}
	iTemp = iTemp-1;

	} //End While
	return strTemp;
} 

function LTrim(VALUE)
{
	var w_space = String.fromCharCode(32);
	if(v_length < 1){
	return"";
	}
	var v_length = VALUE.length;
	var strTemp = "";

	var iTemp = 0;

	while(iTemp < v_length){
	if(VALUE.charAt(iTemp) == w_space){
	}
	else{
	strTemp = VALUE.substring(iTemp,v_length);
	break;
	}
	iTemp = iTemp + 1;
	} //End While
	return strTemp;
} 

/*
   Function: setSelectedIndex   
	Set the selected value for a given combobox id

   Parameters:
     selectBoxId - the id of the combobox to set value on
	 index - the index value of the entries in the combobox to set active/selected

   Returns:
     Nothing  		 
*/
function setSelectedIndex(selectBoxId,index)
{
	var elm = document.getElementById(selectBoxId)
	elm.options[index].setAttribute('selected','true')
}

/*
   Function: setSelectedValue   
	Sets the value of a combobox

   Parameters:
     cbxId - the id of the combobox
	 value - the value to be set in the combobox

   Returns:
     Nothing  	
*/
function setSelectedValue(cbxId,value)
{
	var elm = document.getElementById(cbxId)
	var ops = elm.options

	for (var x=0;x<ops.length ;x++)
	{
		if (ops[x].innerText == value)
		{			
			ops[x].setAttribute('selected','true')
		}
	}
}

function getPostContent(url,params,handler)
{	
	postContentHandler = handler
	if (window.XMLHttpRequest)
	{
        req = new XMLHttpRequest();        
    }
	else if (window.ActiveXObject)
	{
        isIE = true;
        req = new ActiveXObject("Microsoft.XMLHTTP");        
    }	
	req.open('POST', url, true);
	req.onreadystatechange = stateCheck		
	req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	req.send(params);	
} 

function stateCheck()
{
	if (req.readyState == 4)
	{
		 postContentHandler(req.responseText)
	}
}

/*
@summary: does a request to a given url to get its contents
@param url: the url to open
@param handlerFunction: the function to handle the url content
*/
function getContent(url,handlerFunction)
{
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest)
	{
        req = new XMLHttpRequest();
        req.onreadystatechange = handlerFunction;
        req.open("GET", url, true);
        req.send(null);
    // branch for IE/Windows ActiveX version
    }
	else if (window.ActiveXObject)
	{
        isIE = true;
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) 
		{
            req.onreadystatechange = handlerFunction;
            req.open("GET", url, true);
            req.send();
        }
    }
}

function getContent2(url,handlerFunction)
{
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest)
	{
        req2 = new XMLHttpRequest();
        req2.onreadystatechange = handlerFunction;
        req2.open("GET", url, true);
        req2.send(null);
    // branch for IE/Windows ActiveX version
    }
	else if (window.ActiveXObject)
	{
        isIE = true;
        req2 = new ActiveXObject("Microsoft.XMLHTTP");
        if (req2) 
		{
            req2.onreadystatechange = handlerFunction;
            req2.open("GET", url, true);
            req2.send();
        }
    }
}

function getContentDynamic(url,handlerFunction,key)
{
    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest)
	{
        httpRequestDict[key] = new XMLHttpRequest();         
        httpRequestDict[key].onreadystatechange = handlerFunction;
        httpRequestDict[key].open("GET", url, true);
        httpRequestDict[key].send(null);
    // branch for IE/Windows ActiveX version
    }
	else if (window.ActiveXObject)
	{
        isIE = true;
        httpRequestDict[key] = new ActiveXObject("Microsoft.XMLHTTP");
        if (httpRequestDict[key]) 
		{
            httpRequestDict[key].onreadystatechange = handlerFunction;
            httpRequestDict[key].open("GET", url, true);
            httpRequestDict[key].send();
        }
    }
}

/*
   Function: getCurrentDateStr   
	 Generates a date string for the current date and time

   Parameters:
     Nothing

   Returns:
     The current date string in the format yyyy-mm-dd hh:mm:ss  	
*/
function getCurrentDateStr()
{
	newDate = new Date()
	var newTimeStr = newDate.getHours()+ ":" + newDate.getMinutes()+ ":" + newDate.getSeconds()
	var month = newDate.getMonth()+1
	var month = (month.toString().length ==1) ? ("0"+month.toString()) : (month.toString())
	var day = (newDate.getDate().toString().length ==1) ? ("0"+newDate.getDate().toString()) : (newDate.getDate().toString())	

	var newDateStr = newDate.getFullYear() + "-" + month + "-" + day
	var newTimeStr = newDate.getHours()+ ":" + newDate.getMinutes()+ ":" + newDate.getSeconds() 
	var compStr = newDateStr + " " + newTimeStr
	return compStr
}

function isValidNumeric(numStr)
//This function checks that the string passed is a valid numeric value
{
	var nanCheck = parseFloat(numStr)

	if (nanCheck <= 0)
	{			
		return false;
	}
	
	if (isNaN(nanCheck))
	{		
		return false;
	}

	ss = parseFloat(numStr)
	if (ss.toString() != numStr)
	{		
		return false;
	}
	return true;	
}

/*
   Function: inList   
	Checks whether a value is in a list

   Parameters:
     item - the item in the list to search for
	 list - the list to search through

   Returns:
     Boolean - whether the item is in the list  	
*/
function inList(item,list)
{	
	//checks if item is in the list
	for (var q=0;q<list.length;q++)
	{
		if (item == list[q])
		{
			return true;
		}
	}
	return false;
}

function IsNumeric(sText)
{
   var ValidChars = "0123456789.-,";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
 }

 function isValidEmail(str)
 {
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}


function isDate(DateToCheck)
{
	if(DateToCheck=="")
	{
		return true;
	}
	var m_strDate = FormatDate(DateToCheck);
	if(m_strDate=="")
	{
		return false;
	}
	var m_arrDate = m_strDate.split("/");
	var m_DAY = m_arrDate[0];
	var m_MONTH = m_arrDate[1];
	var m_YEAR = m_arrDate[2];
	if(m_YEAR.length > 4)
	{return false;}
	m_strDate = m_MONTH + "/" + m_DAY + "/" + m_YEAR;
	var testDate=new Date(m_strDate);

	if(testDate.getMonth()+1==m_MONTH)
	{
		return true;
	} 
	else{
	return false;
	}
}//end function




function FormatDate(DateToFormat,FormatAs)
{
	if(DateToFormat=="")
	{return"";}
	if(!FormatAs)
	{FormatAs="dd/mm/yyyy";}

	var strReturnDate;
	FormatAs = FormatAs.toLowerCase();
	DateToFormat = DateToFormat.toLowerCase();
	var arrDate
	var arrMonths = new Array("January","February","March","April","May","June","July","August","September","October","November","December");
	var strMONTH;
	var Separator;

	while(DateToFormat.indexOf("st")>-1){
	DateToFormat = DateToFormat.replace("st","");
	}

	while(DateToFormat.indexOf("nd")>-1){
	DateToFormat = DateToFormat.replace("nd","");
	}

	while(DateToFormat.indexOf("rd")>-1){
	DateToFormat = DateToFormat.replace("rd","");
	}

	while(DateToFormat.indexOf("th")>-1){
	DateToFormat = DateToFormat.replace("th","");
	}

	if(DateToFormat.indexOf(".")>-1){
	Separator = ".";
	}

	if(DateToFormat.indexOf("-")>-1){
	Separator = "-";
	}


	if(DateToFormat.indexOf("/")>-1){
	Separator = "/";
	}

	if(DateToFormat.indexOf(" ")>-1){
	Separator = " ";
	}

	arrDate = DateToFormat.split(Separator);
	DateToFormat = "";
		for(var iSD = 0;iSD < arrDate.length;iSD++){
			if(arrDate[iSD]!=""){
			DateToFormat += arrDate[iSD] + Separator;
			}
		}
	DateToFormat = DateToFormat.substring(0,DateToFormat.length-1);
	arrDate = DateToFormat.split(Separator);

	if(arrDate.length < 3){
	return "";
}

var DAY = arrDate[0];
var MONTH = arrDate[1];
var YEAR = arrDate[2];

if(parseFloat(arrDate[1]) > 12)
{
DAY = arrDate[1];
MONTH = arrDate[0];
}

if(parseFloat(DAY) && DAY.toString().length==4){
YEAR = arrDate[0];
DAY = arrDate[2];
MONTH = arrDate[1];
}


for(var iSD = 0;iSD < arrMonths.length;iSD++){
var ShortMonth = arrMonths[iSD].substring(0,3).toLowerCase();
var MonthPosition = DateToFormat.indexOf(ShortMonth);
	if(MonthPosition > -1){
	MONTH = iSD + 1;
		if(MonthPosition == 0){
		DAY = arrDate[1];
		YEAR = arrDate[2];
		}
	break;
	}
}

var strTemp = YEAR.toString();
if(strTemp.length==2){

	if(parseFloat(YEAR)>40){
	YEAR = "19" + YEAR;
	}
	else{
	YEAR = "20" + YEAR;
	}

}


	if(parseInt(MONTH)< 10 && MONTH.toString().length < 2){
	MONTH = "0" + MONTH;
	}
	if(parseInt(DAY)< 10 && DAY.toString().length < 2){
	DAY = "0" + DAY;
	}
	switch (FormatAs){
	case "dd/mm/yyyy":
	return DAY + "/" + MONTH + "/" + YEAR;
	case "mm/dd/yyyy":
	return MONTH + "/" + DAY + "/" + YEAR;
	case "dd/mmm/yyyy":
	return DAY + " " + arrMonths[MONTH -1].substring(0,3) + " " + YEAR;
	case "mmm/dd/yyyy":
	return arrMonths[MONTH -1].substring(0,3) + " " + DAY + " " + YEAR;
	case "dd/mmmm/yyyy":
	return DAY + " " + arrMonths[MONTH -1] + " " + YEAR;	
	case "mmmm/dd/yyyy":
	return arrMonths[MONTH -1] + " " + DAY + " " + YEAR;
	}

return DAY + "/" + strMONTH + "/" + YEAR;;

} //End Function
				
function wait()	{					
	if (req.readyState != 4){
		alert('waiting')
		window.setTimeout("wait()",500)
	}
	else{
		return
	}
}

function dummyHandler()	{
	return 1;					
}

/*
   Function: strip
	strips the leading and trailing spaces from a string

   Parameters:
     theString - the string object to be stripped

   Returns:
     The stripped string object
*/
function strip(theString)
{
	for (var x=0;x<130;x++)
	{
		if(theString.lastIndexOf(' ') == theString.length -1)
		{
			theString = theString.slice(0,-1)
		}
		else{
			break;
		}
	}
	return theString
}

// generic methods for getting data from servlets
function callMethod(url, callback)
{
  callbackMethod = callback;
  getContentDynamic(url,callMethodHandler,'callMethod');
}

function callMethodHandler()
{
  if (httpRequestDict['callMethod'].readyState == 4)
  {      
     var res = httpRequestDict['callMethod'].responseText;         
     callbackMethod(res);         
  }  
}

function cleanString(cleanStr)
{
    rr = /\t/g
	cleanStr = cleanStr.replace(rr," ");
    rr = /\f/g
	cleanStr = cleanStr.replace(rr," ");           
    			
	rr = /\n/g
	cleanStr = cleanStr.replace(rr," ");
	rr = /\n/g
	cleanStr = cleanStr.replace(rr," ");
    rr = /\r/g
	cleanStr = cleanStr.replace(rr," ");
	cleanStr = Trim(cleanStr)
	return cleanStr;
}