// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
// Added by Rick for client-side form validation.
function validateTextField(fld, fldName) {
    var error = "";
 
    if (fld.value.length == 0) {
        error = "The required field has not been filled in.\n";
		error = fldName + " is required.\n";
    }
    return error;  
}

function validateNumericality(fld, fldName) {
	var error = "";
	var validChars = "0123456789";
	
	for (var i = 0; i < fld.value.length; i++) {
		var c = fld.value.charAt(i);
		if (validChars.indexOf(c) == -1) {
			error = fldName + " is not numeric.\n";
			break;
		}
	}
	return error;
}

function validateCvvLength(cardType,cvv) {
	var error = "";
	var typeValue = cardType.options[cardType.selectedIndex].value;
	if (typeValue == "AmericanExpress"){
		if (cvv.value.length != 4) {
			error = "Four digit Security Code required.\n";
		}
	} else {
		if (cvv.value.length != 3) {
			error = "Three digit Security Code required.\n";
		}
	}
	return error;
}

function validateSelectList(list, listName) {
	var error = "";
	
	var selected = list.options[list.selectedIndex].value;
	if (selected.length == 0) {
		error = "Please select " + listName + ".\n";
	}
	
	return error;
}

function validateCardLength(cardNumber, cardType) {
	var error = "";
	if (cardNumber.length == 0) {
		error = "Card number cannot be blank";
		return error;
	}
	var typeValue = cardType.options[cardType.selectedIndex].value;
	switch(typeValue) {
		case 'Discover':
			if (cardNumber.value.length != 16) {
				error = "You have entered an invalid credit card number. Please enter your full 16-digit credit card number for Discover.\n";
			}
			break;
		case 'AmericanExpress':
			if (cardNumber.value.length != 15) {
				error = "You have entered an invalid credit card number. Please enter your full 15-digit credit card number for Amex.\n";
			}
			break;
		case 'Visa':	
			if (cardNumber.value.length != 16 && cardNumber.value.length != 13) {
				error = "You have entered an invalid credit card number. Please enter your full 13 or 16-digit credit card number for Visa.\n";
			}
			break;
		case 'MasterCard':
			if (cardNumber.value.length != 16) {
				error = "You have entered an invalid credit card number. Please enter your full 16-digit credit card number for MasterCard.\n";
			}
			break;
			
		default:
			break;
	}
	return error;
}

function validateCardPrefix(cardNumber, cardType) {
	var error = "";
	
	var typeValue = cardType.options[cardType.selectedIndex].value;
	switch(typeValue) {
		case 'Discover':
			if (cardNumber.value.substring(0, 4) != '6011') {
				error = "You have entered an invalid credit card number for Discover.\n";
			}
			break;
		
		case 'AmericanExpress':
			num = parseInt(cardNumber.value.substring(0, 2));
			if (num != "34" && num != "37") {
				error = "You have entered an invalid credit card number for AmericanExpress.\n";
			}
			break;
					
		case 'Visa':
			if (cardNumber.value.substring(0, 1) != '4') {
				error = "You have entered an invalid credit card number for Visa.\n";
			}
			break;
			
		case 'MasterCard':
			var num = parseInt(cardNumber.value.substring(0, 2));
			if (num < 51 || num > 55) {
				error = "You have entered an invalid credit card number for MasterCard.\n";
			}
			break;
			
		default:
			break;
	}
	return error;
}

function validateCardExpiration(cardMonth, cardYear) {
	var error = "";	
	var today = new Date();
	var expired = true;
	
	var month = cardMonth.options[cardMonth.selectedIndex].value;
	var year = cardYear.options[cardYear.selectedIndex].value;
	if (month == '' || year == '') {
		// these get caught by the select list validation
		return error;
	}
	
	if (year == today.getFullYear() && month >= today.getMonth() + 1) {
		expired = false;
	} else if (year > today.getFullYear()) {
		expired = false;
	}
	
	if (expired) {	
		error = "You entered an expired card.\n";
	}
	return error;
}

/*
Created by: David Leppek :: https://www.azcode.com/Mod10
 */
function Mod10(ccNumb) {  // v2.0
	var error = "";	
	var valid = "0123456789"  // Valid digits in a credit card number
	var len = ccNumb.length;  // The length of the submitted cc number
	var iCCN = parseInt(ccNumb);  // integer of ccNumb
	var sCCN = ccNumb.toString();  // string of ccNumb
	sCCN = sCCN.replace (/^\s+|\s+$/g,'');  // strip spaces
	var iTotal = 0;  // integer total set at zero
	var bNum = true;  // by default assume it is a number
	var bResult = false;  // by default assume it is NOT a valid cc
	var temp;  // temp variable for parsing string
	var calc;  // used for calculation of each digit

	// Determine if the ccNumb is in fact all numbers
	for (var j=0; j<len; j++) {
	  temp = "" + sCCN.substring(j, j+1);
	  if (valid.indexOf(temp) == "-1"){bNum = false;}
	}

	// if it is NOT a number, you can either alert to the fact, or just pass a failure
	if(!bNum){
	  /*alert("Not a Number");*/ bResult = false;
	}

	// Determine if it is the proper length 
	if((len == 0)&&(bResult)){  // nothing, field is blank AND passed above # check
	  bResult = false;
	} else {  // ccNumb is a number and the proper length - let's see if it is a valid card number
	  if(len >= 15){  // 15 or 16 for Amex or V/MC
	    for(var i=len;i>0;i--){  // LOOP throught the digits of the card
	      calc = parseInt(iCCN) % 10;  // right most digit
	      calc = parseInt(calc);  // assure it is an integer
	      iTotal += calc;  // running total of the card number as we loop - Do Nothing to first digit
	      i--;  // decrement the count - move to the next digit in the card
	      iCCN = iCCN / 10;                               // subtracts right most digit from ccNumb
	      calc = parseInt(iCCN) % 10 ;    // NEXT right most digit
	      calc = calc *2;                                 // multiply the digit by two
	      // Instead of some screwy method of converting 16 to a string and then parsing 1 and 6 and then adding them to make 7,
	      // I use a simple switch statement to change the value of calc2 to 7 if 16 is the multiple.
	      switch(calc){
	        case 10: calc = 1; break;       //5*2=10 & 1+0 = 1
	        case 12: calc = 3; break;       //6*2=12 & 1+2 = 3
	        case 14: calc = 5; break;       //7*2=14 & 1+4 = 5
	        case 16: calc = 7; break;       //8*2=16 & 1+6 = 7
	        case 18: calc = 9; break;       //9*2=18 & 1+8 = 9
	        default: calc = calc;           //4*2= 8 &   8 = 8  -same for all lower numbers
	      }                                               
		    iCCN = iCCN / 10;  // subtracts right most digit from ccNum
		    iTotal += calc;  // running total of the card number as we loop
		  }  // END OF LOOP
		  if ((iTotal%10)==0){  // check to see if the sum Mod 10 is zero
		    bResult = true;  // This IS (or could be) a valid credit card number.
		  } else {
		    bResult = false;  // This could NOT be a valid credit card number
		  }
	  }
	}
	if(!bResult){
	  error = "Credit Card Number is not valid!\n";
	}
  return error
}

function validatePaymentForm(theForm) {
	var reason = "";
		
	if ($('payment_purchase_order')){
		reason += validateTextField(theForm.payment_purchase_order, 'Purchase Order Number');
	} else {
		reason += validateSelectList(theForm.payment_card_name, 'Credit Card');
		reason += validateSelectList(theForm.payment_card_expiration_month, 'Expiration Month');
		reason += validateSelectList(theForm.payment_card_expiration_year, 'Expiration Year');
		reason += validateTextField(theForm.payment_card_security_code, 'Card Security Code');
		reason += validateNumericality(theForm.payment_card_security_code, 'Card Security Code');
		reason += validateNumericality(theForm.payment_card_number, 'Card Number');
		reason += Mod10(theForm.payment_card_number.value);
		reason += validateCvvLength(theForm.payment_card_name,theForm.payment_card_security_code);
	  reason += validateCardLength(theForm.payment_card_number, theForm.payment_card_name);
		reason += validateCardPrefix(theForm.payment_card_number, theForm.payment_card_name);
		reason += validateCardExpiration(theForm.payment_card_expiration_month,
										 theForm.payment_card_expiration_year);
	}
	 
	$$('#payment_use_previous_orders_card').each(function(recreate){
		if (recreate.checked) {reason = ''};
	})
	 
	if (reason != "") {
    	alert("Some fields need correction:\n" + reason);
    	return false;
	}
	return true;
}

function validatePaymentFormUk(theForm) {
	var reason = "";
		
	reason += validateSelectList(theForm.payment_card_name, 'Credit Card');
	reason += validateSelectList(theForm.payment_card_expiration_month, 'Expiration Month');
	reason += validateSelectList(theForm.payment_card_expiration_year, 'Expiration Year');
	if (theForm.payment_card_name.value != "solo" && theForm.payment_card_name.value != "maestro"){
		reason += validateTextField(theForm.payment_card_security_code, 'Card Security Code');
		reason += validateNumericality(theForm.payment_card_security_code, 'Card Security Code');
	}
	if (theForm.payment_card_issue_number.value.length > 0) {
		reason += validateNumericality(theForm.payment_card_issue_number, 'Card Issue No.');
	}
	reason += validateNumericality(theForm.payment_card_number, 'Card Number');
	reason += validateCardExpiration(theForm.payment_card_expiration_month,
									 theForm.payment_card_expiration_year);
	  
	if (reason != "") {
    	alert("Some fields need correction:\n" + reason);
    	return false;
	}
	return true;
}

var Products = {
	changeAll: function( args ) {
		value = $('check_all').checked;
		args.each(function(d) {
      $( "catalog_product_ids_" + d ).checked = value;
    })
	}
};

var Categories = {
	changeAll: function(id, args ) {
		value = $(id).checked;
		args.each(function(d) {
      $( "catalog_product_ids_" + d ).checked = value;
    })
	}
};

var Assets = {
	changeAll: function( args ) {
		value = $('check_all').checked;
		args.each(function(d) {
      $( "asset_role_ids_" + d ).checked = value;
    })
	}
};

var CountryGroups = {
	changeAll: function( args ) {
		value = $('country_groups_check_all').checked;
		args.each(function(d) {
      $( "catalog_country_group_ids_" + d ).checked = value;
    })
	}
};

var ChangeAll = {
	changeAll: function(field, ids, args ) {
		value = $(field).checked;
		args.each(function(d) {
      $( ids + d ).checked = value;
    })
	}
};   

function textCounter(field, countfield, maxlimit) {
	if (field.value.length > maxlimit) 
		field.value = field.value.substring(0, maxlimit);
	else 
		countfield.value = maxlimit - field.value.length;  
}

function more_blog(id) {
	$('blog_'+id).removeClassName('r_ctent2'); 
	$('blog_'+id).addClassName('r_ctent2_slid'); 
	//new Effect.Scale('blog_'+id, $('blog_'+id).getHeight()*100/172, {scaleContent:false,scaleX:false,scaleMode:{originalHeight: 172}});
	$('more_'+id).update("<a href=\"#\" onclick=\"less_blog('"+id+"');return false;\">- less -</a>");
	return false;
}
function less_blog(id) {
	var original_height = $('blog_'+id).getHeight();
	$('blog_'+id).removeClassName('r_ctent2_slid'); 
	$('blog_'+id).addClassName('r_ctent2');
	$('more_'+id).update("<a href=\"#\" onclick=\"more_blog('"+id+"');return false;\">- more -</a>");
	//new Effect.Scale('blog_'+id, 17200/original_height, {scaleContent:false,scaleX:false,scaleMode:{originalHeight: original_height}});
	return false;
}