/* Calculation functions */

function roundcurrency(number) {
	if (number == 0) {
		return '0.00';
	} else {
		var dol = number*100;
		dol = Math.round(dol);
		// dol = Math.abs(dol);
		var dolstring = ""+dol;
		var len = dolstring.length;
		var endFig = dolstring.substring(0,len-2)+"."+dolstring.substring(len-2,len);
		return endFig;
	}
}

function calcTotal() {
	
	var frmName = document.avMemberfrm;
	
	frmName.Pay_Donation.value  = (frmName.Pay_Donation.value == "") ? "" : frmName.Pay_Donation.value;
	frmName.Pay_Pins.value  = (frmName.Pay_Pins.value == "") ? "" : parseInt(frmName.Pay_Pins.value);	
	frmName.Pay_WristBands.value  = (frmName.Pay_WristBands.value == "") ? "" : parseInt(frmName.Pay_WristBands.value);
	
	// var amount = frmName.Pay_Amount.value;
	var amount = frmName.Orig_Amount.value;
	// var origamount = frmName.Orig_Amount.value;
	
	//donation value
	donateValue = (frmName.Pay_Donation.value == "") ? 0 : frmName.Pay_Donation.value;
	
	//pins value
	pinsValue = (frmName.Pay_Pins.value == "") ? 0 : frmName.Pay_Pins.value;
	
	//wristbands value
	wristValue = (frmName.Pay_WristBands.value == "") ? 0 : frmName.Pay_WristBands.value;
	
	// frmName.Pay_Amount.value = roundcurrency(parseFloat(amount) + parseFloat(donateValue) + (pinsValue*3) + (pensValue*3));
	var totalCost = parseFloat(amount) + parseFloat(donateValue) + (pinsValue*3) + (wristValue*3);
	
	frmName.Pay_Amount.value = totalCost.toFixed(2);
	// var totalCheck = totalCost.split(".");
	// alert(totalCheck[1].length);
	// if (totalCheck[1].length == 2)
	// {
		// frmName.Pay_Amount.value = totalCost;
	// }
	// else
	// {
		// frmName.Pay_Amount.value = totalCost+'0';
	// }	
	
	// if (isNaN(frmName.Pay_Amount.value))
	// {
		// frmName.Pay_Amount.value = origamount;
	// }
}

function calcProductTotal() {
	var frmName = document.frmProduct;
	
    //set null values to 0
	if (frmName.PFDKN_FindingADifferentKindOfNormal.value == "") {
    	pPFDKN = 0;
    }
    if (frmName.VUAS_UnderstandingAsperger.value == "") {
    	pVUAS = 0;
    }
    if (frmName.VATY_AutismTeenVideo.value == "") {
    	pVATY = 0;
    }
    if (frmName.PLP_AVPin.value == "") {
    	pPLP = 0;
    }
		/*if (frmName.PSP_AVPen.value == "") {
    	pPSP = 0;
    }*/
		if (frmName.PCKB_TogetherWeCook.value == "") {
    	pCKB = 0;
    }
		if (frmName.PCKTM_CookingManual.value == "") {
    	pCKTM = 0;
    }
		if (frmName.PLC_LibraryCat.value == "") {
    	pPLC = 0;
    }
		if (frmName.PEB_EntertainmentBook.value == "") {
    	pEB = 0;
    }
    if (frmName.AT2_AngelsTrees.value == "") {
    	pAT2 = 0;
    }
     if (frmName.CB4_ChildrenBoxes.value == "") {
     	pCB4 = 0;
     }
    if (frmName.KI3_KingsCard.value == "") {
    	pKI3 = 0;
    }
    if (frmName.RE5_Reindeers.value == "") {
    	pRE5 = 0;
    }
    if (frmName.BD1_BlueDove.value == "") {
    	pBD1 = 0;
    }
		if (frmName.KO6_Koala.value == "") {
    	pKO6 = 0;
    }
    if (frmName.SG7_SeasonsGreetings.value == "") {
    	pSG7 = 0;
    }
    if (frmName.AS8_Assortment.value == "") {
    	pAS8 = 0;
    }
    
    //Define and calculate the product sub-total
	pPFDKN = roundcurrency(parseFloat(frmName.PFDKN_FindingADifferentKindOfNormal.value*40.95));
    pVUAS = roundcurrency(parseFloat(frmName.VUAS_UnderstandingAsperger.value*71.50));
    pVATY = roundcurrency(parseFloat(frmName.VATY_AutismTeenVideo.value*22.00));
    pPLP = roundcurrency(parseFloat(frmName.PLP_AVPin.value*3.50));
	/*pPSP = roundcurrency(parseFloat(frmName.PSP_AVPen.value*2.50));*/
    pPLC = roundcurrency(parseFloat(frmName.PLC_LibraryCat.value*10.00));
	pCKB = roundcurrency(parseFloat(frmName.PCKB_TogetherWeCook.value*57.00));
	pCKTM = roundcurrency(parseFloat(frmName.PCKTM_CookingManual.value*29.95));
	pEB = roundcurrency(parseFloat(frmName.PEB_EntertainmentBook.value*67.00));
    pAT2 = roundcurrency(parseFloat(frmName.AT2_AngelsTrees.value*0.60));
    pCB4 =roundcurrency(parseFloat(frmName.CB4_ChildrenBoxes.value*0.60));
    pKI3 = roundcurrency(parseFloat(frmName.KI3_KingsCard.value*0.65));
    pRE5 = roundcurrency(parseFloat(frmName.RE5_Reindeers.value*0.70));
    pBD1 = roundcurrency(parseFloat(frmName.BD1_BlueDove.value*0.75));
    pKO6 = roundcurrency(parseFloat(frmName.KO6_Koala.value*0.65));
    pSG7 = roundcurrency(parseFloat(frmName.SG7_SeasonsGreetings.value*0.70));
    pAS8 = roundcurrency(parseFloat(frmName.AS8_Assortment.value*5.50));
//parseFloat(pPSP)
	frmName.Pay_Amount.value = roundcurrency(parseFloat(pPFDKN) + parseFloat(pVUAS) + parseFloat(pVATY) + parseFloat(pPLP) + parseFloat(pPLC) + parseFloat(pCKB) + parseFloat(pCKTM) + parseFloat(pEB) + parseFloat(pAT2) + parseFloat(pCB4) + parseFloat(pKI3) + parseFloat(pRE5) + parseFloat(pBD1) + parseFloat(pKO6) + parseFloat(pSG7) + parseFloat(pAS8));
}

/* Search box funtions */

function focusSearch() {
	var d = document;
	var frmTerms = d.getElementById('sp-q');	

	if (frmTerms.value == frmTerms.defaultValue) {
		frmTerms.value = "";
	}
	frmTerms.focus();
	return;
}

function init() {
	var d = document;
	var frmTerms = d.getElementById('sp-q');

	frmTerms.value = 'Search Autism Victoria';
	frmTerms.defaultValue = 'Search Autism Victoria';
	frmTerms.onfocus = focusSearch;
}

if (document.getElementById) window.onload = init;

function newWin(pName, pWidth, pHeight)
{
	LeftPos=(screen.width)?(screen.width-pWidth)/2:100;
	TopPos=(screen.height)?(screen.height-pHeight)/2:100;
//	LeftPos=(screen.width/2)-w;
//	TopPos=(screen.height/2)-h;
	
	window.open('../home/'+pName,'newWindow','status=yes,scrollbars=yes,width='+pWidth+',height='+pHeight+',left='+LeftPos+',top='+TopPos);
}

function profileWin(pName)
{
	LeftPos=(screen.width)?(screen.width-560)/2:100;
	TopPos=(screen.height)?(screen.height-500)/2:100;
//	LeftPos=(screen.width/2)-w;
//	TopPos=(screen.height/2)-h;
	
	window.open('profiles/'+pName,'newWindow','status=yes,scrollbars=yes,width=560,height=500,left='+LeftPos+',top='+TopPos);
}

function checkPayType()
{
	var frmName = document.frmProduct;
    if (frmName.Payment_Type[0].checked == false && frmName.Payment_Type[1].checked == false)
    {
      alert("Please choose a payment type.");
      return false;
    } 
    return true;
}

function launchConference()
{
	/*avConf = new window();*/
    sWidth = screen.width * .75;
    sHeight = screen.height * .75;
    
    LeftPos=(screen.width)?(screen.width-sWidth)/2:100;
	TopPos=(screen.height)?(screen.height-sHeight)/2:100;
	avConf = window.open('/conference/index.php','confWin','height='+sHeight+',width='+sWidth+',scrollbars=yes,status=yes,toolbar=yes,left='+LeftPos+',top='+TopPos);
    avConf.focus();
}

function togglePayWindow(payOption)
{
	if (payOption == "online")
	{
		document.getElementById('payOnline').style.display = "block";
	}
	else
	{
		document.getElementById('payOnline').style.display = "none";
	}
}

function checkForm(form_name)
{
  // specify field names to check
  var fields_to_check = new Array('Card_Number', 'Expiry_Date', 'Cardholder_Name'); // CHANGE TO THE ONES YOU HAVE IN YOUR FORM

  // loop through each field specified above, if length = 0, show alert msg and focus to that particular field.
  for (i=0; i < fields_to_check.length; i++)
  {
    if ( eval('document.' +form_name+ '.' +fields_to_check[i]+ '.value.length') == 0)
    {
      var field_name = fields_to_check[i].replace('_', " ");
      alert ('Please enter a valid ' +field_name+ '.');
      eval('document.' +form_name+ '.' +fields_to_check[i]+ '.focus()');
      eval('document.' +form_name+ '.' +fields_to_check[i]+ '.select()');
      return false;
    }
  }
	
	var cardCheck = -1;
	
  // Start checking special fields each with specific rules
	for (i=eval('document.'+form_name+'.Card_Type.length')-1;i>-1; i--)
	{
		if (eval('document.'+form_name+'.Card_Type[i].checked'))
		{
			cardCheck = i;
		}
	}
  
	if (cardCheck == -1)
	{
		alert("Please choose a card type.");
    return false;
	}
	
	/*if (eval('document.' +form_name+ '.Card_Type.selectedIndex') < 1 )
  {
    alert("Please choose a card type.");
    eval('document.' +form_name+ '.Card_Type.focus()');
    return false;
  }*/
  
  // seek confirmation
  if ( !confirm("Click 'OK' if you are sure all the details you entered are correct... otherwise press 'Cancel' to correct them.") )
  {
    return false;
  }
}
// change it to false if you do not want
//the credit card number to be encrypted
var encrypt_it = true;

function isCreditCard(st) {
  // Encoding only works on cards with less than 19 digits
  if (st.length > 19)
    return (false);

  sum = 0; mul = 1; l = st.length;
  for (i = 0; i < l; i++) {
    digit = st.substring(l-i-1,l-i);
    tproduct = parseInt(digit ,10)*mul;
    if (tproduct >= 10)
      sum += (tproduct % 10) + 1;
    else
      sum += tproduct;
    if (mul == 1)
      mul++;
    else
      mul--;
  }

  if ((sum % 10) == 0)
    return (true);
  else
    return (false);
}


function getCCNum(default_val) {
 msg = 'Please enter your credit card number here. '
  + 'It will be '
  + ((encrypt_it) ? "encrypted and then " : "")
  + 'put into the credit card field of the form '
  + 'after it is validated.';
 return prompt(msg,default_val);
}


function encrypt(val) {
 val = "" + val;
 var result = "";
 for (i=0;i<val.length;i++) {
  character = val.charAt(i);
  if ("0123456789".indexOf(character) != -1) {
   character = parseInt(character);
   character = (character+1)%10;
  }
  result += character;
 }
 if (result != "")
  result += "e";
 return result;
}


function unencrypt(val) {
 val = "" + val;
 for (n=0;n<9;n++)
  val = encrypt(val);
 return (val.substring(0,val.indexOf('e')));
}


function strip(val) {
 val = "" + val;
 if (!val)
  return "";
 var result = "";
 for (i=0;i<val.length;i++) {
  character = val.charAt(i);
  if ("0123456789".indexOf(character) != -1)
   result += character;
 }
 return result;
}

function hideCC(val)
{
	var newVal = val.substr(0,4);
	
	for (i=4;i<val.length;i++)
	{
		newVal += "*";
	}
	
	document.avMemberfrm.Card_Number.value = val;
	document.avMemberfrm.Card_Numbertmp.value = newVal;
}

var last_entry = "";


function doCCStuff(form_element) {
 if (blur_reset) {
   last_entry = form_element.value;
   if (last_entry && last_entry.indexOf('e') != -1)
     last_entry = unencrypt(last_entry);
     entry = getCCNum(last_entry);
     stripped_entry = strip(entry);
     while (entry && (!isCreditCard(stripped_entry))) {
       alert('The credit card number you entered could not be '
       + 'validated. Please check the number and try again.');
       last_entry = entry;
       entry = getCCNum(last_entry);
       stripped_entry = strip(entry);
     }
    if (entry) {
      if (encrypt_it)
			{
        form_element.value = encrypt(entry);
				hideCC(entry);
			}
      else
			{
        form_element.value = entry;
			}
    }
    blur_form(form_element);
  }
  return false;
}


var blur_reset = true;


function blur_form(form_element) {
  form_element.blur();
  blur_reset = false;
  setTimeout("blur_reset=true",2000);
}


function submitIt() {
  if (validatecard()  == false)
    return false;    
}

function stripNonNumbers (InString) {
  OutString = "";
  for (Count=0; Count < InString.length; Count ++) {
    TempChar = InString.substring(Count, Count+1);
    Strip = false;
    CharString="0123456789";
      for (Countx = 0; Countx < CharString.length; Countx++) {
        StripThis = 
        CharString.substring(Countx, Countx+1)
        if (TempChar == StripThis) {
          Strip = true;
          break;
        }
     }
     if (Strip)
       OutString = OutString+TempChar;
  }
  return (OutString);
}

function validatecardfunc() {
  validcard = false;
  var CardNo = document.paymentfrm.ccnumber.value;
  ret = stripNonNumbers(CardNo);

  if (document.paymentfrm.cctype[0].checked)
    result = "Visa";
  else if (document.paymentfrm.cctype[1].checked)
    result = "Mastercard";
  else if (document.paymentfrm.cctype[2].checked)
    result = "Diners";
  else if (document.paymentfrm.cctype[3].checked)
    result = "Bankcard";
  else if (document.paymentfrm.cctype[4].checked)
    result = "American Express";

  if  (result == "Visa") {
    if ((ret.length == 16) && (ret.substring(0, 1) == "5"))
      validcard = true;
  }

  if (result == "American Express") {
    if (ret.length == 15)
      if ((ret.substring (0,2) == "45") || (ret.substring (0,2) == "48"))
        validcard = true;
  }

  if (result == "Mastercard") {
    if ((ret.length == 13) || (ret.length == 16))
      if ((ret.substring (0,2) > "61") && (ret.substring (0,2) <= "66"))
        validcard = true;
  }

  if (result == "Bankcard") {
    if ((ret.length == 0))
      validcard = false;
    else
      validcard = true;
  }

  if (result == "Diners") {
    if ((ret.length == 0))
      validcard = false;
    else
      validcard = true;
  }
  return(validcard)
}

function setDel(itemID)
{
	document.frmProduct.del.value = itemID;
	return true;
}