function CheckItemAmount(num,max) 
{
       
     var itemname = document.form1["amount"+num].value;
     order = max;
     ok = 1;
     for(i=0;i<itemname.length;i++)
     {
     
     
     	if (isNaN (parseInt(itemname.charAt(i))) )
      	{
     		
     		alert("The Amount must be a number and intereger value");
     		document.form1["amount"+num].value=1;
     		ok=0;
	}
     }
     if (parseInt(itemname)==0 && ok==1)
     {
     	alert("The Amount must be larger than 0");
	document.form1["amount"+num].value=1;
     	ok=0;
     }
	      
    if (parseInt(itemname)>parseInt(order) && ok==1)
    {
     	   alert("You only orderd "+order+" of this product.");
     	   document.form1["amount"+num].value=order;
     	   ok=0;
    }
}



function Checkitem(max) {
		get_id = max;
		
		doit = 0;
		for (i = 1; i<=get_id;i++)
		{
			
			if (document.form1['item'+i].checked == 1)
			{
					doit=1;
					
					
			}		

		}
		if (doit == 0) 
		{ 
			alert('You need to select one of the items to be delivered');
			ok=0;
		}
		if (doit == 1) 
		{ 
			
			ok=1;
		}


}


function select_All(max,name) {
		get_id = max;
		for (i = 1; i<get_id+1;i++)
		{
			if (document.form1['all'].checked == 1)
			{
			
				document.form1[name+i].checked = 1;
	
			}		

			if (document.form1['all'].checked == 0)
			{
			
				document.form1[name+i].checked = 0;
	
			}	
		}


}









function check_login() {
	ok = 1;
    
    if (ok == 1)
       checkEmail()
    if (ok == 1)
       checkPass()
    if (ok == 1)
    { 	
       	return true;
    }return false;
			
		
}

function checkEmail()
{
   var itemname = document.login.email.value;
   
    if (itemname == "")
    {
        alert("Please type in your Username");
	document.login.email.focus();
	ok=0;
	return (false);
    }
    
    if (itemname.indexOf("@")==-1 || itemname.indexOf(".")==-1)
    {
        alert("Your username will be a Email address");
      	document.login.email.focus();
      	ok=0;
      	return (false);
    }
       
}


function checkForEmail()
{
   var itemname = document.login.email.value;
   
    if (itemname == "")
    {
        alert("Please type in your Email Address");
	document.login.email.focus();
	ok=0;
	return (false);
    }
    
    if (itemname.indexOf("@")==-1 || itemname.indexOf(".")==-1)
    {
        alert("Not a valid Email address");
      	document.login.email.focus();
      	ok=0;
      	return (false);
    }
       
}

function checkPass()
{
   var itemname = document.login.password.value;
   
    if (itemname == "")
    {
        alert("Please type in a Password");
	document.login.password.focus();
	ok=0;
	return (false);
    }
   
}






//******************************************************************************Registration Check***********************************************************

function checkReg() {
	ok = 1;
    if (ok == 1)
       checkVal8("fname")
    if (ok == 1)
       checkVal8("lname")
    //if (ok == 1)
    //   checkVal8("id")
    if (ok == 1)
       checkContact()
    if (ok == 1)
       checkFEmail()
    if (ok == 1)
       checkPassword()
    if (ok == 1)
       checkVal8("add1")
     if (ok == 1)
       checkVal8("suburb")
    
    if (document.form1.city.value == "Other...")
    {
    	checkVal8("ocity")
    }
    if (ok == 1)
       checkVal8("code")
    if (document.form1.delivery_address.value == 2)
    {
    	if (ok == 1)
    		checkVal8("d_add1")
    	if (ok == 1)
    		checkVal8("d_suburb")
	if (document.form1.dcity.value == "Other...")
    	{
    		checkVal8("docity")
    	}
	if (ok == 1)
    		checkVal8("d_code")
    }
    
    if (ok == 1)
    { 	
       	return true;
    }return false;
		
}

function checkComments() {
	ok = 1;
    if (ok == 1)
       checkVal8("name")
    if (ok == 1)
       checkVal8("email")
    if (ok == 1)
       checkVal8("telephone")
    if (ok == 1)
       checkVal8("desc")
    
    if (ok == 1)
    { 	
       	return true;
    }return false;
		
}

function checkCheck_out(max) {
	ok = 1;
    if (ok == 1)
       checkVal8("contact_person")
    if (ok == 1)
       checkVal8("telephone")
    
    if (parseInt(document.form1["delivery"].selectedIndex)!=0)
    {
    	if (ok == 1)
	  checkVal8("add1")
	if (ok == 1)
	  checkVal8("suburb")
	if (ok == 1)
	 checkVal8("city")
	if (ok == 1)
      	 checkVal8("code")
    }
    if (parseInt(document.form1["product"].value)!=1)
    {
    	if (ok==1)
		Checkitem(max)    
    }
    if (ok == 1)
    { 	
       	return true;
    }return false;
		
}


function checkVal8(name)
{
   
   var itemname = document.form1[name].value;
   
       if (itemname == "")
    {
	if (name == "fname" && ok ==1){alert("Please type in your First Name");ok=0;} 
	if (name == "lname" && ok ==1){alert("Please type in your Last Name");ok=0;}
         if (name == "add1" && ok ==1){alert("Please type in your Address Line 1");ok=0;}
         if (name == "city" && ok ==1){alert("Please type in your City");ok=0;}
         
         if (name == "id" && ok ==1){alert("Please type in your ID Number");ok=0;}
	if (name == "area_telephone" && ok ==1){alert("Please type in your Telephone Number Area Code");ok=0;}
	if (name == "add1" && ok ==1){alert("Please type in your Address Line 1");ok=0;}
	if (name == "suburb" && ok ==1){alert("Please type in your Suburb");ok=0;}
	if (name == "city" && ok ==1){alert("Please type in your City");ok=0;}
	if (name == "ocity" && ok ==1){alert("Please type in your City");ok=0;}
	if (name == "code" && ok ==1){alert("Please type in your Postal Code");ok=0;}
	if (name == "telephone" && ok ==1){alert("Please type in your Telephone Number");ok=0;document.form1[name].value="";}
        if (name == "cellphone" && ok ==1){alert("Please type in your Cellphone Number");ok=0;}
	if (name == "name" && ok ==1){alert("Please type in your Name");ok=0;}
	if (name == "email" && ok ==1){alert("Please type in your Email Address");ok=0;}
	if (name == "desc" && ok ==1){alert("Please type in your Comments");ok=0;}
	if (name == "contact_person" && ok ==1){alert("Please type the Contact Person");ok=0;}
	if (name == "d_add1" && ok ==1){alert("Please type the Delivery Address Line 1");ok=0;}
	if (name == "d_suburb" && ok ==1){alert("Please type the Delivery Suburb");ok=0;}
	if (name == "docity" && ok ==1){alert("Please type the Delivery City");ok=0;}
	if (name == "d_code" && ok ==1){alert("Please type the Delivery Postal Code");ok=0;}
	document.form1[name].focus();
	return (false);
    }
}


function checkReg2() {
	ok = 1;
    if (ok == 1)
       checkVal8("card_num")
    if (ok == 1)
       checkVal8("cvv2")
    if (ok == 1)
    { 	
       	return true;
    }return false;
			
		
}

function checkContact()
{
   
    if (document.form1["telephone"].value == "" && document.form1["cellphone"].value=="")
    {
	alert("You need to type in a Cellphone or Telephone number!");
	ok=0;
	return (false);
    }
    if (document.form1["telephone"].value != "")
    {
    	checkVal8("area_telephone");
    	return (false);
    }
   
}




function checkFEmail()
{
   var itemname = document.form1.email.value;
   
    if (itemname == "")
    {
        alert("Please type in a Email Address");
	document.form1.email.focus();
	ok=0;
	return (false);
    }
    
    if (itemname.indexOf("@")==-1 || itemname.indexOf(".")==-1)
    {
        alert("Please type in a valid Email Address");
      	document.form1.email.focus();
      	ok=0;
      	return (false);
    }
       
}


function checkPassword()
{
   var check = document.form1.pass1.value;
   var check2 = document.form1.pass2.value;
   
    if (check == "")
    {
        window.alert("Please type in Password");
        document.form1.pass1.focus();
	ok = 0;
	return (false);
    }
    
       
    if (check2 == "")
    {
       window.alert("Please Re-type Password");
       document.form1.pass2.focus();
       ok = 0;
       return (false);
    }
    
            
    if (check != check2)
    {
       window.alert("Passwords Don't match");
       document.form1.pass2.value="";
       document.form1.pass1.value="";
       ok = 0;
       return (false);
    }

    if (check.length < 7)
    {
       window.alert("Passwords must be longer than 7 characters");
       document.form1.pass2.value="";
       document.form1.pass1.value="";
       ok = 0;
       return (false);
    }

   
}

function checkNum4(name)
{
	ok=1

   var itemname = document.form1[name].value;
for(i=0;i<itemname.length;i++)
{
if (itemname.charAt(i) != "." || itemname.charAt(i) != ",")
{     
 if (isNaN (parseInt(itemname.charAt(i))) )
    {
	if (name == "code" && ok ==1)
	{
		alert("The Code must be a number");
		ok=0;
	}
	if (name == "area_telephone" && ok ==1)
	{
		alert("Your Telephone Number area code must be a number ");
		ok=0;
	}
	if (name == "area_fax" && ok ==1)
	{
		alert("Your Fax Number area code must be a number");
		ok=0;
	}
         if (name == "telephone" && ok ==1)
	{
		alert("Your Telephone Number must be a number");
		ok=0;
	}
         if (name == "cellphone" && ok ==1)
	{
		alert("Your Cellphone Number must be a number");
		ok=0;
	}
	if (name == "fax" && ok ==1)
	{
		alert("Your Fax Number must be a number");
		ok=0;
	}
	if (name == "id" && ok ==1)
	{
			alert("Your ID Number must be a number");
			ok=0;
	}
	if (name == "card_num" && ok ==1)
	{
		alert("Your Card Number must be a number");
		ok=0;
	}
	if (name == "cvv2" && ok ==1)
	{
		alert("Your CVV2 Number must be a number");
		ok=0;
	}
	document.form1[name].value = "";
	document.form1[name].focus();
	return (false);
    }
   }
}
}

//******************************************************************************Create Ad Check***********************************************************


function checkCreatAd() {
	ok = 1;
    if (ok == 1)
       checkVal("heading")
    if (ok == 1)
       checkVal("line1")
    if (ok == 1)
       checkVal("line2")
    if (ok == 1)
       checkVal("d_url")
    if (ok == 1)
       checkVal("url")
    if (ok == 1)
       checkVal("budget")
    if (ok == 1)
       checkVal("default_ppc")
    if (ok == 1)
       checkDaily()
    if (ok == 1)
    { 	
       	return true;
    }return false;
			
		
}

function checkDaily(name)
{
   var itemname = document.form1.budget.value;
   if (itemname < 0.35)
    {
	alert("Daily Budget must be at least R 0.35!");
	form1.budget.value="0.35";
	document.form1.budget.focus();
	ok=0;
	return (false);
	
    }
   
}


function checkVal(name)
{
   var itemname = document.form1[name].value;
       if (itemname == "")
    {
	if (name == "heading" && ok ==1){alert("Please type in a Heading");ok=0;}
         if (name == "line1" && ok ==1){alert("Please type in Description Line 1");ok=0;}
         if (name == "line2" && ok ==1){alert("Please type in Description Line 2");ok=0;}
         if (name == "d_url" && ok ==1){alert("Please type in the Display Url");ok=0;}
         
         if (name == "url" && ok ==1){alert("Please type in the Destination Url");ok=0;}
         if (name == "budget" && ok ==1){alert("Please type in the Budget");ok=0;}
         if (name == "default_ppc" && ok ==1){alert("Please type in the Default Max. PPC");ok=0;}

	document.form1[name].focus();
	return (false);
    }
    
    if (name == "url" && itemname.indexOf('http://') ==0 )
    {
    	alert("Your destination url doesn't need to contain http://");
    	document.form1[name].value = document.form1[name].value.replace("http://","");
    	ok=0;
    	return (false);
    }
    if (name == "url" && itemname.indexOf('https://') ==0 )
        {
        	alert("Your destination url doesn't need to contain https://");
        	document.form1[name].value = document.form1[name].value.replace("https://","");
        	ok=0;
        	return (false);
    }
    if (name == "default_ppc" && ok ==1 && parseInt(document.form1[name].value)>parseInt(document.form1["budget"].value))
    {
    	alert("The Default Max. PPC must be smaller or equal to Max. Daily Budget");
    	ok=0;
    	document.form1[name].value = "";
    	document.form1[name].focus();
    	return (false);
    }
    test = checkNum("budget")
    if (test = false){ return test;}
    test = checkNum("default_ppc")
    if (test = false){ return test;}
    
    
   
   
}

function checkNum(name)
{
	ok=1

   var itemname = document.form1[name].value;
for(i=0;i<itemname.length;i++)
{
if (itemname.charAt(i) != ".")
{     
      
 if (isNaN (parseInt(itemname.charAt(i))) )
    {
	if (name == "budget" && ok ==1)
	{
		alert("The Budget must be a number");
		ok=0;
		document.form1[name].value = "";
		document.form1[name].focus();
		return (false);
	}
	if (name == "default_ppc" && ok ==1)
	{
		alert("The Default Max. PPC must be a number");
		ok=0;
		document.form1[name].value = "";
	  	document.form1[name].focus();
		return (false);
   	}
	
	
    }
   
   
   }
}

}

//******************************************************************************Create Ad Check***********************************************************


function checkKey() {
	ok = 1;
    if (ok == 1)
       checkVal2("amount")
    if (ok == 1)
       checkVal2("keywords")
    if (ok == 1)
       checkNumber()
    if (ok == 1)
    { 	
       	return true;
    }return false;
			
		
}


function checkVal2(name)
{
   var itemname = document.form1[name].value;
       if (itemname == "")
    {
	if (name == "amount" && ok ==1){alert("Please type in a Default per click amount");ok=0;}
         if (name == "keywords" && ok ==1){alert("Please type in the Keywords to use");ok=0;}
         
	document.form1[name].focus();
	return (false);
    }
   
}


function checkNumber()
{
   
   var itemname = form1.keywords.value;
   for(i=33;i<65;i++)
   {
   	if(i!=34 && i!=45 && i<47 || i>58)
   	{
   	 if (itemname.indexOf(String.fromCharCode(i))!=-1)
   	 {
   	     alert("Your keywords may not contain punctuation! Except as show.");
   	   	form1.keywords.focus();
   	   	ok=0;
   	   	return (false);
   	 }
   	}
   }
   
   for(i=92;i<97;i++)
      {
      	if(i!=93)
      	{
      	 if (itemname.indexOf(String.fromCharCode(i))!=-1)
      	 {
      	     alert("Your keywords may not contain punctuation! Except as show.");
      	   	form1.keywords.focus();
      	   	ok=0;
      	   	return (false);
      	 }
      	}
   }
   for(i=123;i<256;i++)
         {
         	if(i!=93)
         	{
         	 if (itemname.indexOf(String.fromCharCode(i))!=-1)
         	 {
         	     alert("Your keywords may not contain punctuation! Except as show.");
         	   	form1.keywords.focus();
         	   	ok=0;
         	   	return (false);
         	 }
         	}
   }
}

function checkNum2(name)
{
	ok=1

var itemname = document.form1[name].value;
for(i=0;i<itemname.length;i++)
{ 
if (itemname.charAt(i) != "." && itemname.charAt(i) != ",")
{     

if (itemname.charAt(i) != ".")
{     
 if (isNaN (parseInt(itemname.charAt(i))) )
    {
	if (name == "amount" && ok ==1)
	{
		alert("The Default per click amount must be a number");
		ok=0;
	}
	
	document.form1[name].value = "0.35";
	document.form1[name].focus();
	return (false);
    }
   }
}
}
}
//******************************************************************************Create Keyword Check***********************************************************

function checkKey2(num,damount) {
	ok = 1;
	
    for(i=0;i<=num;i++)
    {
    	if (ok == 1 && document.form2['type'+i].value!="negative")
    	   checkUrl_add(i)
    }
    if (ok == 1)
    { 	
    	checkKeydaily(num,damount)
    	
    }
    if (ok == 1)
    { 	
    	change2(num)
       	return true;
    }return false;
			
		
}

function change2(max) {
	
	//	String get_id
				
		get_id = max;
		for (i = 0; i<=max;i++)
		{ 
			
			document.form1['indamount'+i].value = document.form2['indamount'+i].value;
			document.form1['url'+i].value = document.form2['url'+i].value;
			document.form1['post_url'+i].value = document.form2['post_url'+i].value;
			document.form1['type'+i].value = document.form2['type'+i].value;
		}

}

function checkKey3(num) {
	ok = 1;
    for(i=0;i<=num;i++)
    {
    	if (ok == 1)
    	   checkVal5("url"+i,i)
    }
    if (ok == 1)
    { 	
       	return true;
    }return false;
			
		
}

function checkVal5(name)
{
	
   var itemname = document.form1[name].value;
   if (itemname == "")
    {
	alert("Please type in a destination url");        
	ok=0
	return (false)
	
    }
   
}

function checkVal3(name)
{
	
   var itemname = document.form1[name].value;
   if (itemname == "")
    {
    	document.form1[name].value="0.35";
    	document.form2[name].value="0.35";
	alert("Please type in a Max CPC");
    	document.form2[name].focus();
	
    }
   
}

function checkReg_KEY(name)
{
	
   var itemname = document.form1[name].value;
   if (itemname == "")
    {
    	document.form1[name].value="0.35";
    	document.form2[name].value="0.35";
	alert("Please type in a Max CPC");
    	document.form2[name].focus();
	
    }
   
}

function checkVal4(name,i)
{
  var itemname = document.form1[name].value;
  var type = document.form1['type'+i].value;
   if (itemname == "" &&type!="negative")
    {
    	
	alert("Please type in a destination url");        
	document.form1[name].focus();
	ok=0
	return (false)
	
    }
   
}

function checkUrl_add(i)
{
  var itemname = document.form2['url'+i].value;
  var type = document.form2['type'+i].value;
   if (itemname == "" &&type!=3)
    {
    	
	alert("Please type in a destination url");        
	document.form2['url'+i].focus();
	ok=0
	return (false)
	
    }
   
}


function checkNum3(name)
{
	ok=1

   var itemname = document.form2[name].value;
for(i=0;i<itemname.length;i++)
{ 
if (itemname.charAt(i) != ".")
{     
 if (isNaN (parseInt(itemname.charAt(i))) )
    {
	if (ok ==1)
	{
		alert("The Max CPC amount must be a number"+itemname.charAt(i));
		ok=0;
	}
	
	document.form1[name].value = "0.35";
	document.form2[name].value = "0.35";
	document.form2[name].focus();
	return (false);
    }
   }
}
}

//******************************************************************************Keyword edit Check***********************************************************

function checkKey4(num) {
	ok = 1;
	
    for(i=0;i<num;i++)
    {
    	if (ok == 1)
    	   checkVal4("url"+i,i)
    	if (ok == 1)
    	   checkVal7("keyword"+i)
    }
    if (ok == 1)
    { 	
       	return true;
    }return false;
			
		
}


function checkVal6(name)
{
	
   var itemname = document.form1[name].value;
   if (itemname == "")
    {
    	document.form1[name].value="0.35";
	alert("Please type in a Max CPC");
    	document.form1[name].focus();
	
    }
   
}


function checkVal7(name)
{
	
   var itemname = document.form1[name].value;
   if (itemname == "")
    {
    	
	alert("Please type in a keyword");        
	document.form1[name].focus();
	ok=0
	return (false)
	
    }
   
}

function checkMINPPC(name)
{
	
   var itemname = document.form1[name].value;
   if (parseFloat(itemname) < 0.35 )
    {
    	
	alert("Minimun PPC amount is R 0.35");
	document.form1[name].value ="0.35"
	document.form1[name].focus();
	ok=0
	return (false)
	
    }
   
}

//*********************************************************************************Update account details****************************************************

function checkAccUp() {
	ok = 1;
    if (ok == 1)
       checkVal8("name")
    if (ok == 1)
       checkVal8("company")
    if (ok == 1)
       checkVal8("add1")
    if (ok == 1)
       checkVal8("city")
    if (ok == 1)
       checkVal8("code")
    if (ok == 1)
       checkVal8("telephone")
    if (ok == 1)
       checkVal8("area_telephone")
    if (ok == 1)
       checkVal8("cellphone")
     if (ok == 1)
       checkVal8("card_num")
    if (ok == 1)
       checkVal8("cvv2")
    if (ok == 1)
    { 	
       	return true;
    }return false;
			
		
}

//******************************************************************Update Account Card Details****************************************

var Cards = new makeArray(8);
Cards[0] = new CardType("MasterCard", "51,52,53,54,55", "16");
var MasterCard = Cards[0];
Cards[1] = new CardType("VisaCard", "4", "13,16");
var VisaCard = Cards[1];
Cards[2] = new CardType("AmExCard", "34,37", "15");
var AmExCard = Cards[2];
Cards[3] = new CardType("DinersClubCard", "30,36,38", "14");
var DinersClubCard = Cards[3];
Cards[4] = new CardType("DiscoverCard", "6011", "16");
var DiscoverCard = Cards[4];
Cards[5] = new CardType("enRouteCard", "2014,2149", "15");
var enRouteCard = Cards[5];
Cards[6] = new CardType("JCBCard", "3088,3096,3112,3158,3337,3528", "16");
var JCBCard = Cards[6];
var LuhnCheckSum = Cards[7] = new CardType();

/*************************************************************************\
CheckCardNumber(form)
function called when users click the "check" button.
\*************************************************************************/
function CheckCardNumber(form) {
var tmpyear;
if (form.card_name.value.length == 0) {
alert("Please enter Card Holder Name.");
form.card_name.focus();
return false;
}
if (form.CardNumber.value.length == 0) {
alert("Please enter a Card Number.");
form.CardNumber.focus();
return false;
}
if (form.cvv2.value.length == 0) {
alert("Please enter CVV2 Number.");
form.cvv2.focus();
return false;
}

if (form.ExpYear.value.length == 0) {
alert("Please enter the Expiration Year.");
form.ExpYear.focus();
return false;
}
/*if (form.ExpYear.value > 96)
tmpyear = "19" + form.ExpYear.value;
else if (form.ExpYear.value < 21)
tmpyear = "20" + form.ExpYear.value;
else {
alert("The Expiration Year is not valid.");
return false;
}
tmpmonth = form.ExpMon.options[form.ExpMon.selectedIndex].value;
// The following line doesn't work in IE3, you need to change it
// to something like "(new CardType())...".
// if (!CardType().isExpiryDate(tmpyear, tmpmonth)) {
if (!(new CardType()).isExpiryDate(tmpyear, tmpmonth)) {
alert("This card has already expired.");
return false;
}
card = form.CardType.options[form.CardType.selectedIndex].value;
var retval = eval(card + ".checkCardNumber(\"" + form.CardNumber.value +
"\", " + tmpyear + ", " + tmpmonth + ");");
cardname = "";

// The cardnumber has the valid luhn checksum, but we want to know which
// cardtype it belongs to.
for (var n = 0; n < Cards.size; n++) {
if (Cards[n].checkCardNumber(form.CardNumber.value, tmpyear, tmpmonth)) {
cardname = Cards[n].getCardType();
break;
   }

if (cardname.length > 0) {
alert("This looks like a " + cardname + " number, not a " + card + " number.");
}
else {
alert("This card number is not valid.");
return false;
      }
   }*/
}
/*************************************************************************\
Object CardType([String cardtype, String rules, String len, int year,
                                        int month])
cardtype    : type of card, eg: MasterCard, Visa, etc.
rules       : rules of the cardnumber, eg: "4", "6011", "34,37".
len         : valid length of cardnumber, eg: "16,19", "13,16".
year        : year of expiry date.
month       : month of expiry date.
eg:
var VisaCard = new CardType("Visa", "4", "16");
var AmExCard = new CardType("AmEx", "34,37", "15");
\*************************************************************************/
function CardType() {
var n;
var argv = CardType.arguments;
var argc = CardType.arguments.length;

this.objname = "object CardType";

var tmpcardtype = (argc > 0) ? argv[0] : "CardObject";
var tmprules = (argc > 1) ? argv[1] : "0,1,2,3,4,5,6,7,8,9";
var tmplen = (argc > 2) ? argv[2] : "13,14,15,16,19";

this.setCardNumber = setCardNumber;  // set CardNumber method.
this.setCardType = setCardType;  // setCardType method.
this.setLen = setLen;  // setLen method.
this.setRules = setRules;  // setRules method.
this.setExpiryDate = setExpiryDate;  // setExpiryDate method.

this.setCardType(tmpcardtype);
this.setLen(tmplen);
this.setRules(tmprules);
if (argc > 4)
this.setExpiryDate(argv[3], argv[4]);

this.checkCardNumber = checkCardNumber;  // checkCardNumber method.
this.getExpiryDate = getExpiryDate;  // getExpiryDate method.
this.getCardType = getCardType;  // getCardType method.
this.isCardNumber = isCardNumber;  // isCardNumber method.
this.isExpiryDate = isExpiryDate;  // isExpiryDate method.
this.luhnCheck = luhnCheck;// luhnCheck method.
return this;
}

/*************************************************************************\
boolean checkCardNumber([String cardnumber, int year, int month])
return true if cardnumber pass the luhncheck and the expiry date is
valid, else return false.
\*************************************************************************/
function checkCardNumber() {
var argv = checkCardNumber.arguments;
var argc = checkCardNumber.arguments.length;
var cardnumber = (argc > 0) ? argv[0] : this.cardnumber;
var year = (argc > 1) ? argv[1] : this.year;
var month = (argc > 2) ? argv[2] : this.month;

this.setCardNumber(cardnumber);
this.setExpiryDate(year, month);

if (!this.isCardNumber())
return false;
if (!this.isExpiryDate())
return false;

return true;
}
/*************************************************************************\
String getCardType()
return the cardtype.
\*************************************************************************/
function getCardType() {
return this.cardtype;
}
/*************************************************************************\
String getExpiryDate()
return the expiry date.
\*************************************************************************/
function getExpiryDate() {
return this.month + "/" + this.year;
}
/*************************************************************************\
boolean isCardNumber([String cardnumber])
return true if cardnumber pass the luhncheck and the rules, else return
false.
\*************************************************************************/
function isCardNumber() {
var argv = isCardNumber.arguments;
var argc = isCardNumber.arguments.length;
var cardnumber = (argc > 0) ? argv[0] : this.cardnumber;
if (!this.luhnCheck())
return false;

for (var n = 0; n < this.len.size; n++)
if (cardnumber.toString().length == this.len[n]) {
for (var m = 0; m < this.rules.size; m++) {
var headdigit = cardnumber.substring(0, this.rules[m].toString().length);
if (headdigit == this.rules[m])
return true;
}
return false;
}
return false;
}

/*************************************************************************\
boolean isExpiryDate([int year, int month])
return true if the date is a valid expiry date,
else return false.
\*************************************************************************/
function isExpiryDate() {
var argv = isExpiryDate.arguments;
var argc = isExpiryDate.arguments.length;

year = argc > 0 ? argv[0] : this.year;
month = argc > 1 ? argv[1] : this.month;

if (!isNum(year+""))
return false;
if (!isNum(month+""))
return false;
today = new Date();
expiry = new Date(year, month);
if (today.getTime() > expiry.getTime())
return false;
else
return true;
}

/*************************************************************************\
boolean isNum(String argvalue)
return true if argvalue contains only numeric characters,
else return false.
\*************************************************************************/
function isNum(argvalue) {
argvalue = argvalue.toString();

if (argvalue.length == 0)
return false;

for (var n = 0; n < argvalue.length; n++)
if (argvalue.substring(n, n+1) < "0" || argvalue.substring(n, n+1) > "9")
return false;

return true;
}

/*************************************************************************\
boolean luhnCheck([String CardNumber])
return true if CardNumber pass the luhn check else return false.
Reference: http://www.ling.nwu.edu/~sburke/pub/luhn_lib.pl
\*************************************************************************/
function luhnCheck() {
var argv = luhnCheck.arguments;
var argc = luhnCheck.arguments.length;

var CardNumber = argc > 0 ? argv[0] : this.cardnumber;

if (! isNum(CardNumber)) {
return false;
  }

var no_digit = CardNumber.length;
var oddoeven = no_digit & 1;
var sum = 0;

for (var count = 0; count < no_digit; count++) {
var digit = parseInt(CardNumber.charAt(count));
if (!((count & 1) ^ oddoeven)) {
digit *= 2;
if (digit > 9)
digit -= 9;
}
sum += digit;
}
if (sum % 10 == 0)
return true;
else
return false;
}

/*************************************************************************\
ArrayObject makeArray(int size)
return the array object in the size specified.
\*************************************************************************/
function makeArray(size) {
this.size = size;
return this;
}

/*************************************************************************\
CardType setCardNumber(cardnumber)
return the CardType object.
\*************************************************************************/
function setCardNumber(cardnumber) {
this.cardnumber = cardnumber;
return this;
}

/*************************************************************************\
CardType setCardType(cardtype)
return the CardType object.
\*************************************************************************/
function setCardType(cardtype) {
this.cardtype = cardtype;
return this;
}

/*************************************************************************\
CardType setExpiryDate(year, month)
return the CardType object.
\*************************************************************************/
function setExpiryDate(year, month) {
this.year = year;
this.month = month;
return this;
}

/*************************************************************************\
CardType setLen(len)
return the CardType object.
\*************************************************************************/
function setLen(len) {
// Create the len array.
if (len.length == 0 || len == null)
len = "13,14,15,16,19";

var tmplen = len;
n = 1;
while (tmplen.indexOf(",") != -1) {
tmplen = tmplen.substring(tmplen.indexOf(",") + 1, tmplen.length);
n++;
}
this.len = new makeArray(n);
n = 0;
while (len.indexOf(",") != -1) {
var tmpstr = len.substring(0, len.indexOf(","));
this.len[n] = tmpstr;
len = len.substring(len.indexOf(",") + 1, len.length);
n++;
}
this.len[n] = len;
return this;
}

/*************************************************************************\
CardType setRules()
return the CardType object.
\*************************************************************************/
function setRules(rules) {
// Create the rules array.
if (rules.length == 0 || rules == null)
rules = "0,1,2,3,4,5,6,7,8,9";

var tmprules = rules;
n = 1;
while (tmprules.indexOf(",") != -1) {
tmprules = tmprules.substring(tmprules.indexOf(",") + 1, tmprules.length);
n++;
}
this.rules = new makeArray(n);
n = 0;
while (rules.indexOf(",") != -1) {
var tmpstr = rules.substring(0, rules.indexOf(","));
this.rules[n] = tmpstr;
rules = rules.substring(rules.indexOf(",") + 1, rules.length);
n++;
}
this.rules[n] = rules;
return this;
}

//************************************************************************Daily Budget***********************************************

function checkDefault(damount)
{
   var itemname = form1.amount.value;
   if (itemname > damount)
    {
        alert("Your Default Per Click Amount must be smaller than your Daily budget!");
	form1.amount.value="0.35";
	return (false);
    }
   if (itemname < 0.35)
    {
        alert("Your Default Per Click Amount must R 0.35!");
	form1.amount.value="0.35";
	return (false);
    } 
          
}

//**********************************************************************Forgot Password***********************************************

function checkForgotEmail()
{
   var itemname = form1.email.value;
   
    if (itemname == "")
    {
        alert("Please type in your Email address you registered!");
	form1.email.focus();
	ok=0;
	return (false);
    }
     
}

//*****************************************************Account Update**************************************************************

function checkAccount() {
	ok = 1;
    if (ok == 1)
       checkVal8("fname")
     if (ok == 1)
       checkVal8("lname")
    if (ok == 1)
       checkContact()
    if (ok == 1)
       checkFEmail()
    if (ok == 1)
       checkPassword()
    
    
    
    if (ok == 1)
    { 	
       	return true;
    }return false;
		
}

//*************************************************Keyword Add2 ****************************************************************

function checkKeydaily(num,damount)
{	ok=1;
	
	for(i=0;i<=num;i++)
	    {
	    	if (ok == 1 && document.form2['type'+i].value!="negative")
	    	   checkDefaultDaily(i,damount)
	    }
	    if (ok == 1)
	    { 	
	       	return true;
    }return false;
             
}

function checkDefaultDaily(key_a,damount)
{

   var itemname = document.form2['indamount'+key_a].value;
   if (itemname > damount)
    {
        alert("Your Per Click Amount must be smaller than your Daily budget of R "+damount);
	document.form2['indamount'+key_a].value="0.35";
	ok=0;
	return (false);
    }
   if (itemname < 0.35)
    {
        alert("Your Per Click Amount must be atleast R 0.35");
	document.form2['indamount'+key_a].value="0.35";
	ok=0;
	return (false);
    } 
          
}

//********************************************Keyword Update******************************************************************

function checkNumberUpdate(num,damount)
{
   for(tel=0;tel<=num;tel++)
   {
   var itemname = form1['keyword'+tel].value;
   for(i=33;i<65;i++)
   {
   	if(i!=34 && i!=45 && i<47 && i>58)
   	{
   	 if (itemname.indexOf(String.fromCharCode(i))!=-1)
   	 {
   	     alert("Your keywords may not contain punctuation! Except as show.");
   	   	document.form1['keyword'+tel].focus();
   	   	ok=0;
   	   	return (false);
   	 }
   	}
   }
   
   for(i=92;i<97;i++)
      {
      	if(i!=93)
      	{
      	 if (itemname.indexOf(String.fromCharCode(i))!=-1)
      	 {
      	     alert("Your keywords may not contain punctuation! Except as show.");
      	   	form1['keyword'+tel].focus();
      	   	ok=0;
      	   	return (false);
      	 }
      	}
   }
   for(i=123;i<256;i++)
         {
         	if(i!=93)
         	{
         	 if (itemname.indexOf(String.fromCharCode(i))!=-1)
         	 {
         	     alert("Your keywords may not contain punctuation! Except as show.");
         	   	form1['keyword'+tel].focus();
         	   	ok=0;
         	   	return (false);
         	 }
         	}
   }
   }
   return checkKeydailyUpdate(num,damount)
}

function checkKeydailyUpdate(num,damount)
{	ok=1;
	
	for(i=0;i<=num;i++)
	    {
	    	if (ok == 1 && document.form1['type'+i].value!="negative")
	    	   checkDefaultDailyUp(i,damount)
	    }
	    if (ok == 1)
	    { 	
	       	return true;
    }return false;
             
}

function checkDefaultDailyUp(key_a,damount)
{

   var itemname = document.form1['ppc'+key_a].value;
   if (itemname > damount)
    {
        alert("Your Per Click Amount must be smaller than your Daily budget of R "+damount);
	document.form1['ppc'+key_a].value="0.35";
	ok=0;
	return (false);
    }
    if (itemname < 0.35 )
        {
            alert("Your Per Click Amount must be at least R 0.35");
    	document.form1['ppc'+key_a].value="0.35";
    	ok=0;
    	return (false);
    }
    
          
}