function swapImage(control, image)
{
  control.src = image;
}

function winclose()
{
  window.close();
}

function clearform(thisform) {
    var elements = thisform.elements;
    for (var i=0;i<elements.length;i++){
        var element = elements[i];
        if (element.type != "hidden" && element.type != "radio" && element.type != "checkbox" && element.disabled != true) {
            element.value="";
            $(element).removeClass('is-invalid');
            $(element).closest('.form-group').removeClass('is-invalid');

            //log('bbbbbbbb', element.type, element );
            if (element.type == "select-one") {
                $(element).trigger('change');
            }

        } else if (element.type == "radio" || element.type == "checkbox") {
            element.checked = false;
            log(element, $(element));

            $(element).trigger('change');
            $(element).removeClass('is-invalid');
            $(element).closest('.form-group').removeClass('is-invalid');
        } else if (element.type == "text" ) {
        }
    }
    updateProgress();
    setFocus(thisform);
    return true;
}

function review(winname,width,height,top,left)
{
    //log(document.forms.campaignform);
    //log(document.forms.campaignform.action);
    
    openPopupWin('',winname,width,height,top,left);
    
    document.forms.campaignform.ACTION.value="REVIEW";
    document.forms.campaignform.ACKACTION.value = "";
    document.forms.campaignform.target=winname;
    document.forms.campaignform.submit();
  return false;
}

function amend()
{
  document.forms.campaignform.AMEND.value="true";
  document.forms.campaignform.ACTION.value="INPUT";
  document.forms.campaignform.submit();
  return false;
}

function amend(curpage)
{
  document.forms.campaignform.INPUTPAGE.value=curpage;
  document.forms.campaignform.AMEND.value="true";
  document.forms.campaignform.ACTION.value="INPUT";
  document.forms.campaignform.ISREADTNC.value="false";
  document.forms.campaignform.submit();
  return false;
}

function onKeyPressCheck(obj, e, inputcheck)
{
	var key;
	var isCtrl = false;
	var keychar;
	var reg = /\d/;
    var reg2= /[^\w]|_/g;

    


	if(window.event)
		key = e.keyCode;
	else if(e.which)
		key = e.which;
	
	if(key == 8)	return true;
	
	keychar = String.fromCharCode(key);

	if(inputcheck == "NumOnly") {
		return reg.test(keychar);
    } else if(inputcheck == "NonNum") {
		return !reg.test(keychar);
    } else if(inputcheck == "Dollar")	{
		if(key == 46) return true;
		return reg.test(keychar);
    } else if (inputcheck == "alphanumeric") {
        return !reg2.test(keychar);
	} else {
		return true;
  }
}

function onInputCheck(obj, e)
{
        obj.value = obj.value.replace(/[^0-9]/g, '');
}

function CAPInput(field)
{
	field.value = field.value.toUpperCase();
}

function validatePhoneNo(phoneNbr)
{
	if(phoneNbr.length == 8)
		return true;
	else
		return false;
}

function validateCreditCard(cardNbr)
{
	var i = 0;
	var tempval = 0;
	var sum = 0;

	for(i=cardNbr.length-2; i>=0; i-=2)
	{
		tempval = parseInt(cardNbr.charAt(i));
		tempval *= 2;
		if(tempval > 9)
		tempval -= 9;
		sum += tempval;
	}
	for(i=cardNbr.length-1; i>=0; i-=2)
	{
		sum += parseInt(cardNbr.charAt(i));
	}
	if(sum%10 == 0)
		return true;
	return false;
}

function setFocus(thisform)
{
  var bFound = false;
  var elements = thisform.elements;
  for (var i=0;i<elements.length;i++){
    var element = elements[i];
    if (element.type != "hidden" && element.disabled != true)
    {
        element.focus();
        bFound = true;
	break;
    }
  }
}

/**
 * @Enable and disable the object 
 * @formTag = netui form tage
 * @radioTag = the radio button tag that u will to disabled/enabled
 * @action = true or false
 *@kuankuen
 */
function disableEnableObject(object,action) 
{
   for ( var i = 0 ; i <object.length  ; i++)
   {
        // clear the previous checked
         if( object[i].checked )
         {
            object[i].checked=false;
         }
         object[i].disabled=action;
    }    
}

function enableObjectOnly(object) 
{
   for ( var i = 0 ; i <object.length  ; i++)
   {
         object[i].disabled=false;
    }    
}

function disableTextBox(object)
{
   object.style.backgroundColor = 'E7E9EF' ;
   object.disabled = true;
}


function disableNClearTxtValue(object)
{
   object.style.backgroundColor = 'E7E9EF' ;
   object.value ='' ;
   object.disabled = true;
}

function enableTextBox(object)
{
   object.style.backgroundColor = '#FFFFFF' ;
   object.disabled = false;
}

function disableNClearChkbox(object)
{
   object.checked = false ;
   object.disabled = true;
}

function disableChkbox(object)
{
   object.disabled = true;
}

function enableChkbox(object)
{
   object.disabled = false;
}

/**
 * Retrieve the radio button checked value
*/
function getRadioGrpSelectedValue(object)
{
   var length = object.length;
   var selectedValue="";
   for ( var i = 0 ; i < length  ; i++)
   {
       if ( object[i].checked )
       {
            selectedValue = object[i].value;
       }
   } 
   return selectedValue ;
}

function refreshCheckboxValue(checkboxobj)
{
	isChecked = checkboxobj.checked;
	if(isChecked)
		checkboxobj.value = 'true';
	else
		checkboxobj.value = 'false';
}

function isEmailValid(value){
    var isvalid = false;
   
    if(value.indexOf('@') > -1) {
	   var emailid = value.substring(0, value.indexOf('@'));
	   var emaildomain = value.substring(value.indexOf('@')+1, value.length);

        log('emailid:', emailid)

        // check email id
	    // if (/^\w+([\.-]?\w+)+$/.test(emailid)) {
        if (/^\w+([\.-]?\w+)*$/.test(emailid)) {    
            
            log('dsads');

		   if (/^\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(emaildomain))
			isvalid = true;
		   else
			isvalid = false;
	    } else {
		    isvalid = false;
        }
    } else {
	   isvalid = false;
    }
   
    return isvalid;
}


function isFirstCharAlphaNum(strInput) {
    var isAlphaNum = true;
    if (typeof strInput != "undefined") {
        strInput = Trim(strInput);
        if(strInput.length > 1)
            isAlphaNum = isValidInput(strInput.substring(0,1), "M");
    }
    return isAlphaNum;
}


function isValidInput( strInput, strType )
{
        var blnResult = false ;
        var strSCPattern = "[\"']";
        var strTFPattern = "[^\\-\\,\\.\\[\\]\\{\\}|A-Za-z0-9 ]";
        var strANPattern = "[\"'~`!@#$%^&*()_\\-+=|/><\.\,\:{}\;\\\\?\\[\\] ]";  //Only allowed A-Z,a-z,0-9
        var strANPattern_space = "[\"'~`!@#$%^&*()_\\-+=|/><\.\,\:{}\;\\\\?\\[\\]]";  // Only allowed A-Z,a-z,0-9 and space
        var strANPattern_adm = "[\"'~`!@#$^&()_\\-+=|/><\.\,\:{}\;\\\\?\\[\\] ]";  //A-Z,a-z,0-9, * and %
        var strVCPattern = "[\`~!@#$%^*\\+=|><\:{}\;\\\\?\\[\\]]"; //Allowed certain special character --      // '-" &(),./_
       
        var strSCPattern_FileUpload = "[\"*?|/><]";
        var strANPattern_ID = "[^A-Za-z0-9]";  //This type will not allow any other languages data except for a-z,A-Z and 0-9.
        var strANPattern_IDspace = "[^A-Za-z0-9 ]";  //This type will not allow any other languages data except for a-z,A-Z,0-9 and space.
        var strANPattern_engspace = "[^A-Za-z ]";  //This type will not allow any other languages data except for a-z,A-Z and space.
        var strADRPattern_nonchi = "[^A-Za-z0-9 \.\,-/']";  //Non-chinese address
        var strNoPattern_space = "[^0-9 ]";
        var strNoPattern = "[^0-9]";
        
        switch(strType){
        case "M" :
            regexp = new RegExp(strANPattern,"g");
            break;
        case "MS" :
            regexp = new RegExp(strANPattern_space,"g");
        break;
        case "MADM" :
            regexp = new RegExp(strANPattern_adm,"g");
            break;
        case "MVC" :
            regexp = new RegExp(strVCPattern,"g");
            break;
        case "MSCF" :
            regexp = new RegExp(strSCPattern_FileUpload,"g");
            break;
        case "MID" :
            regexp = new RegExp(strANPattern_ID,"g");
            break;
        case "MNCS" :
            regexp = new RegExp(strANPattern_IDspace,"g");
            break;
        case "MES" :
            regexp = new RegExp(strANPattern_engspace,"g");
            break;
        case "MNCADR" :
            regexp = new RegExp(strADRPattern_nonchi,"g");
            break;
        case "MSC" :
            regexp = new RegExp(strSCPattern,"g");
            break;
        case "MASC" :
            regexp = new RegExp(strTFPattern,"g");
            break;
        case "MNO" :
            regexp = new RegExp(strNoPattern_space,"g");
            break;
        case "NNO" :
            regexp = new RegExp(strNoPattern,"g");
            break;
    
       // ------------------------------------- // to be remove  
        case "SC" :
            regexp = new RegExp(strANPattern,"g");
            break;
        case "ASC" :
            regexp = new RegExp(strANPattern,"g");
            break;
     
        }

        blnResult = !(regexp.test(strInput));
        return blnResult;
}

function isNonChinese(str) {
    var n=true;
    if (typeof str != "undefined") {
        var l=str.length;
        for (var i=0;i<l;i++) {
            if (!(str.charCodeAt(i) >= 33 && str.charCodeAt (i) <= 126) && str.charAt(i) != ' ')
                n = false;
        }
    }
    return n;
}

/*
*http://www.info.gov.hk/td/pdiballot/checkHKID.html 
*http://www.phpsky.com/home/tools/hkid/index.php
*HKID format = A123456(7), where:
*  - 'A' must be a letter or space.
*  - The bracket and the checksum digit inside could be 0-9 or A.
*  - If check digit = 10, then it will be treated as "A"
*  - If check digit = 11, then it will be treated as "0" 
*-------------------------------------------------------------------------------------
*Oct 2004 - Additional recources found at http://www.excelhelp.net/cgi-bin/forum/topic.cgi?forum=3&topic=5 
*a.The format of HKID (2 digit prefix) (6 digit number) (1 check digit) = 9 digits
*b.If the prefixes only contain one alphabet, a blank space will be added in front.
*  Therefore, total length of HKID should be always 9 digits
*/
function validateHKID(hkId)
{
    if(hkId.length < 8 || hkId.length > 9)
        return false;
    else if(hkId.length == 8)
        hkId = ' ' + hkId;
    return checkHKID(hkId);
}

function checkHKID(hkId)
{
  var reqAddBlankSpace = false;
  var firstPrex;
  var secondPrex;
    
  hkId = Trim(hkId);
  newStr = hkId.replace("(" ,"");
  newStr = newStr.replace(")" ,"");
  if (hkId.length > 2)
  {
    firstPrex = hkId.substring(0,1);
    secondPrex = hkId.substring(1,2);
  }
  
  if ( !isNaN(secondPrex) )
  {
    reqAddBlankSpace = true;
  }
  
  if(hkId.length < 0 || hkId.length < 7 || 
    !isNaN(firstPrex)   )
  {
        return false;
  }
  else if ( getHKCheckDigit(reqAddBlankSpace,Trim(newStr)) == false)
  {
        return false;
  }
   
  return true ;
}



/*
*  user have the option to enter HK ID in format of A123456(7) or A1234567
*/
function getHKCheckDigit(reqAddBlankSpace,hkId)
{
  var numericDigit ;
  var total = 0;
  var start = hkId.length ;
  var checkDigit ;
  var lastDigit = hkId.substring(hkId.length-1,hkId.length) ;
  var ret;
  
  if (reqAddBlankSpace == true) 
  {
    total += 91 * 9;
  }
  
  for(var i = 0; i < hkId.length-1 ; i++)
  {
       numericDigit =  hkId.substring(i, i+1);
       if ( isNaN(numericDigit) )
       {
            numericDigit = numericDigit.toUpperCase();
            numericDigit = numericDigit.charCodeAt(0) ;//-64 ; //-64 A=65 
       }
        
       total +=  numericDigit * start;
       // alert("strat : " + start + "numericDigit: " + numericDigit +"total -" + total    );
       
       start--;
  }
 
  if (total != 0)
  {
    ret = parseInt(total) % 11;
    if (ret < 0) 
    {
        ret += 11;
    }
    checkDigit = 11 - ret;
  }  
  
   
  //HKID is valid,if checkDigit = last digit 
  //If checkDigit = 10, treated it as "A"
  //If checkDigit = 11, treated it as "0" 
  if ( checkDigit == 11)
  {
    checkDigit = 0;
  }
  
  if ( checkDigit == 10)
  {
    checkDigit = "A";
  }
     
  if (checkDigit != lastDigit.toUpperCase()  )
  {
    return false;
  }
  
  return true ;
}



// TRIM STRING
// -----------------------------------------------------------------------------------------------------
function Trim(string) {
    var i;
    var intCount;
    var tempLength;


    if (typeof string != "undefined") {
        if ( string != null ) {
            intCount = 0;
            for (i = 0; i < string.length; i++)     
            {
              if ((string.charAt(i)) != " ")
                  break;
              else
                  intCount = intCount + 1;
            }
            string = string.substring(intCount, string.length);

            intCount = 0;
            tempLength = string.length;

            for (i = tempLength-1; i >= 0; i--) {
              if ((string.charAt(i)) != " ")
                  break;
              else
                  intCount = intCount + 1;
            string = string.substring(0, tempLength-intCount);
            }
        } else {
            string = '';
        }
    } else {
        string = '';
    }
    return string;
} 

/*
function Trim(string) {
    var i;
    var intCount;
    var tempLength;

    if (typeof string != "undefined") {
        intCount = 0;
        for (i = 0; i < string.length; i++) {
            if ((string.charAt(i)) != " ")
                break;
            else
                intCount = intCount + 1;
        }
        string = string.substring(intCount, string.length);

        intCount = 0;
        tempLength = string.length;

        for (i = tempLength-1; i >= 0; i--)
        {
            if ((string.charAt(i)) != " ")
                break;
            else
                intCount = intCount + 1;

        string = string.substring(0, tempLength-intCount);
        
        }
    }
    return string;
} 
*/

function getDateString()
{
    var string = SYS_serverdate;
    var dateString = "";
    var i;

    for (i = 0; i < string.length; i++)     
    {
        if ((string.charAt(i)) != "-")
            dateString += string.charAt(i);
    }
    return dateString;
} 

function onOrAfterToday(calyyyy, calmm, caldd) { 
	var diff = dateDiff(calyyyy, calmm, caldd); 
	if(diff == "-") { 
		return false;
	}
	else {
		if(diff > 0)
			return false;
		else
			return true; 
	} 
} 

function dateDiff(calyyyy, calmm, caldd) { 
	var diff = 0; 
	if( caldd != null && calmm != null && calyyyy != null ) { 
		if(calmm.length<2) { 
			calmm = '0' + calmm; 
		} 
		if(caldd.length<2) { 
			caldd = '0' + caldd; 
		} 
		diff = getDateString() - parseInt(calyyyy + calmm + caldd, '10'); 
		return diff;
	} 
	else
		return "-";
} 

function addWinOnLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

function openPopupWin(url,winname,width,height,top,left) 
{
    if(!width) width=617;
    if(!height) height=500;
    if(!top) top=0;
    if(!left) left=window.screen.availWidth-width-10;    
    var win = window.open(url,winname,"resizable=1,scrollbars=1,width="+width+",height="+height+",top="+top+",left="+left);
    win.focus();
}

// validate date
var minYear=1901;
function daysInFebruary (year)
{
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}

function isDate(strYear, strMonth, strDay)
{
    var daysInMonth = [0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
    month=parseInt(strMonth, '10');
    day=parseInt(strDay, '10');
    year=parseInt(strYear, '10');
    if (strMonth.length<1 || month<1 || month>12)	return false;
    if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month])
	return false;
    if (strYear.length != 4 || year==0 || year<minYear) return false;
    return true;
}



function docupload(winname,width,height,top,left,refno)
{
  openPopupWin('',winname,width,height,top,left);
  document.forms.campaignform.REFNO.value=refno;
  document.forms.campaignform.ACTION.value="UPLOAD";
  document.forms.campaignform.ACKACTION.value = "";
  document.forms.campaignform.target=winname;
  document.forms.campaignform.submit();
  return false;
}