function form_validation_create_account(frm_name,value) {
	if(value==2) {
		if(frm_name.email_address.value=='') {
			alert("Please enter email address");
			frm_name.email_address.focus();
			return false;
		}
		  if(frm_name.email_address.value!='' && isValidEmail(frm_name.email_address.value)==false) {		
			return false;
		}
	}
	if(frm_name.firstname.value=='') {
			alert("Please enter firstname");
			frm_name.firstname.focus();
			return false;
		}
	if(frm_name.lastname.value=='') {
		alert("Please enter lastname");
		frm_name.lastname.focus();
		return false;
	}
	if(frm_name.street_address.value=='') {
		alert("Please enter street address");
		frm_name.street_address.focus();
		return false;
	}
	if(frm_name.street_address.value.length<6) {
		alert("Address should be six digit");
		frm_name.street_address.focus();
		return false
	}
	if(frm_name.city.value=='') {
		alert("Please enter city");
		frm_name.city.focus();
		return false;
	}
	if(frm_name.state.value=='') {
		alert("Please select state");
		frm_name.state.focus();
		return false;
	}
	if(frm_name.postcode.value=='') {
		alert("Please enter postal code");
		frm_name.postcode.focus();
		return false;
	}
	if(frm_name.postcode.value.length<6) {
		alert("postcode must be six digit");
		frm_name.postcode.focus();
		return false
	}
	if(isNaN(frm_name.postcode.value)) {
		alert("Postcode must be numeric");
		frm_name.postcode.focus();
		return false;
	}
	if(frm_name.fax.value=='') {
		alert("Please enter mobile number");
		frm_name.fax.focus();
		return false;
	}
	
	if(frm_name.fax.value.length<10) {
		alert("mobile number must be ten digit");
		frm_name.fax.focus();
		return false
	}
	if(isNaN(frm_name.fax.value)) {
		alert("mobile number must be numeric");
		frm_name.fax.focus();
		return false;
	}
	if(frm_name.fax.value.length<10) {
		alert("mobile number must be ten digit");
		frm_name.fax.focus();
		return false
	}
	if(frm_name.trm_cond.checked==false) {
		alert("Please, agree to Terms and Conditions");
		frm_name.trm_cond.focus();
		return false;
	}
	if(frm_name.check_shipping.value!='') {
		if(frm_name.shippig_firstname.value=='') {
			alert("Please enter shipping firstname");
			frm_name.shippig_firstname.focus();
			return false;
			}
		if(frm_name.shipping_lastname.value=='') {
			alert("Please enter shipping lastname");
			frm_name.shipping_lastname.focus();
			return false;
			}
		if(frm_name.shipping_street_address.value=='') {
			alert("Please enter shipping street address");
			frm_name.shipping_street_address.focus();
			return false;
		}
		if(frm_name.shipping_street_address.value.length<6) {
			alert("Address should be six digit");
			frm_name.shipping_street_address.focus();
			return false
		}
		if(frm_name.shipping_city.value=='') {
			alert("Please enter shipping city");
			frm_name.shipping_city.focus();
			return false;
		}
		if(frm_name.shipping_state.value=='') {
		alert("Please select shipping state");
		frm_name.shipping_state.focus();
		return false;
		}
		if(frm_name.shipping_postcode.value=='') {
			alert("Please enter shipping postal code");
			frm_name.shipping_postcode.focus();
			return false;
		}
		if(frm_name.shipping_postcode.value.length<6) {
			alert("postcode must be six digit");
			frm_name.shipping_postcode.focus();
			return false
		}
		if(isNaN(frm_name.shipping_postcode.value)) {
			alert("Postcode must be numeric");
			frm_name.shipping_postcode.focus();
			return false;
		}
		if(frm_name.shipping_fax.value=='') {
			alert("Please enter mobile number");
			frm_name.shipping_fax.focus();
			return false;
		}
		if(frm_name.shipping_fax.value.length<10) {
			alert("mobile number must be ten digit");
			frm_name.shipping_fax.focus();
			return false
		}
		if(isNaN(frm_name.shipping_fax.value)) {
			alert("shipping mobile number must be numeric");
			frm_name.shipping_fax.focus();
			return false;
		}
		return true;
	}

	if(frm_name.dob.value!='')
	{
		var dt=frm_name.dob
		if (isDate(dt.value)==false){
			dt.focus()
			return false
		}
	}
	if(frm_name.anniversary_date.value!='')
	{
		var dt=frm_name.anniversary_date
		if (isDate(dt.value)==false){
			dt.focus()
			return false
		}
	}
	
	return true;
}

function limitText(limitField, limitCount, limitNum) {
		if (limitField.value.length > limitNum) {
			limitField.value = limitField.value.substring(0, limitNum);
		} else {
			limitCount.value = limitNum - limitField.value.length;
		}
	}
	function gift_message(msg)
	{
		var msgcount=(500-parseInt(msg.length));
		document.getElementById("giftmessage").value=msg;
		document.getElementById("countdown").value=msgcount;
		return true;
	}
	function show_message(frm_name) {
	if(frm_name.message_visible.checked==true) {
		document.getElementById("showmessage3").style.display='block';
		document.getElementById("showmessage4").style.display='block';
		document.getElementById("showmessage5").style.display='block';
		} else {
		document.getElementById("showmessage3").style.display='none';
		document.getElementById("showmessage4").style.display='none';
		document.getElementById("showmessage5").style.display='none';
		}
	}
	function fill_delivery_info(frm_name) {
	if(frm_name.chkshipping.checked==true) {
		document.getElementById("show_delivery_info1").style.display='block';
		document.getElementById("show_delivery_info2").style.display='block';
		document.getElementById("check_shipping").value='true';
		document.getElementById("chkshipping_yes").checked=false;
		} else {
			document.getElementById("show_delivery_info1").style.display='none';
			document.getElementById("show_delivery_info2").style.display='none';
			frm_name.shipping_postcode.value=''; 
			frm_name.shipping_telephone.value=''; 
			frm_name.shipping_fax.value='';
			frm_name.shipping_firstname.value='';
			frm_name.shipping_lastname.value='';
			frm_name.shipping_street_address.value='';
			frm_name.shipping_city.value='';
			document.getElementById("check_shipping").value='';
			
		}
	}
	function show(th) {
	if(th=='no') {
		document.getElementById("chkshipping").checked=false;
		document.getElementById("show_delivery_info1").style.display='none';
		document.getElementById("show_delivery_info2").style.display='none';
		document.getElementById("check_shipping").value='';
		
		document.getElementById("shipping_firstname").value='';
		document.getElementById("shipping_lastname").value='';
		document.getElementById("shipping_street_address").value='';
		document.getElementById("shipping_city").value='';
		document.getElementById("shipping_state").value='';
		document.getElementById("shipping_postcode").value='';
		document.getElementById("shipping_telephone").value='';
		document.getElementById("shipping_fax").value='';
		}
	}
function fill_info(frm_name, th)
{
	if(frm_name.chkshipping_yes.checked==true)
	{
		document.getElementById("chkshipping").checked=false;
		
		var postcode=frm_name.postcode.value;
		frm_name.shipping_postcode.value=postcode;
		
		var telephone=frm_name.telephone.value;
		frm_name.shipping_telephone.value=telephone;
		
		var mobile=frm_name.fax.value;
		frm_name.shipping_fax.value=mobile;
		
		var firstname=frm_name.firstname.value;
		frm_name.shipping_firstname.value=firstname;
		
		var lastname=frm_name.lastname.value;
		frm_name.shipping_lastname.value=lastname;
		
		var address=frm_name.street_address.value;
		frm_name.shipping_street_address.value=address;
		
		var city=frm_name.city.value;
		frm_name.shipping_city.value=city;

		var state=frm_name.state.value;
		frm_name.shipping_state.value=state;
		
		var country=frm_name.country.value;
		frm_name.shipping_country.value=country;

	}
	else if(frm_name.chkshipping.checked==false)
	{
		frm_name.shipping_postcode.value=''; 
		frm_name.shipping_telephone.value=''; 
		frm_name.shipping_fax.value='';
		frm_name.shipping_firstname.value='';
		frm_name.shipping_lastname.value='';
		frm_name.shipping_street_address.value='';
		frm_name.shipping_city.value='';
		frm_name.shipping_country.value='';  
	}
}	
	function active_checkbox(value){
		document.getElementById("chkshipping").checked=true;
		document.getElementById("chkshipping_yes").checked=false;
		document.getElementById("check_shipping").value='true';
		return true;
		}
	function clear_delivery_info(frm_name) {
		frm_name.shipping_postcode.value=''; 
		frm_name.shipping_telephone.value=''; 
		frm_name.shipping_fax.value='';
		frm_name.shipping_firstname.value='';
		frm_name.shipping_lastname.value='';
		frm_name.shipping_street_address.value='';
		frm_name.shipping_city.value='';
		frm_name.shipping_state.value='';
		document.getElementById("check_shipping").value='true';
		document.getElementById("chkshipping_yes").checked=false;
		document.getElementById("show_delivery_info1").style.display='block';
		document.getElementById("show_delivery_info2").style.display='block';
	}

	function check_form(frm_name) {
	if(frm_name.firstname.value=='') {
		alert("Please enter firstname");
		frm_name.firstname.focus();
		return false;
	}
	if(frm_name.lastname.value=='') {
		alert("Please enter lastname");
		frm_name.lastname.focus();
		return false;
	}
	if(frm_name.gender.value=='') {
		alert("Please enter gender");
		frm_name.gender.focus();
		return false;
	}
	if(frm_name.date_of_birth.value=='') {
		alert("Please enter date of birth");
		frm_name.date_of_birth.focus();
		return false;
	}
	if(frm_name.date_of_birth.value!=''){
		var dt=frm_name.date_of_birth
		if (isDate(dt.value)==false){
			dt.focus()
			return false
		}
	}
	if(frm_name.fax.value=='') {
		alert("Please enter mobile number");
		frm_name.fax.focus();
		return false;
	}
	if(frm_name.fax.value.length<10) {
		alert("mobile number must be ten digit");
		frm_name.fax.focus();
		return false
	}
	if(frm_name.email_address.value=='') {
			alert("Please enter email address");
			frm_name.email_address.focus();
			return false;
	}
	 if(frm_name.email_address.value!='' && isValidEmail(frm_name.email_address.value)==false) {		
		return false;
	}
	if(frm_name.street_address.value=='') {
		alert("Please enter street address");
		frm_name.street_address.focus();
		return false;
	}
	if(frm_name.street_address.value.length<6) {
		alert("Address should be six digit");
		frm_name.street_address.focus();
		return false
	}
	if(frm_name.canon_store_location.value=='') {
		alert("Please select location ");
		frm_name.canon_store_location.focus();
		return false;
	}
	if(frm_name.state.value=='') {
		alert("Please select state");
		frm_name.state.focus();
		return false;
	}
	if(frm_name.city.value=='') {
		alert("Please enter city");
		frm_name.city.focus();
		return false;
	}
	if(frm_name.postcode.value=='') {
		alert("Please enter postal code");
		frm_name.postcode.focus();
		return false;
	}
	if(isNaN(frm_name.postcode.value)) {
		alert("Postcode must be numeric");
		frm_name.postcode.focus();
		return false;
	}
	if(frm_name.membership_number.value=='') {
		alert("Please enter membership number");
		frm_name.membership_number.focus();
		return false;
	}
	if(frm_name.cameraused.value=='') {
		alert("Please enter camera used");
		frm_name.cameraused.focus();
		return false;
	}
	return true;
}


var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : mm/dd/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date")
		return false
	}
return true
}
function isValidEmail(emailid){		
	var l=emailid.length;
	if(l==0)
	{
			return false;	
	}
	if(l!=0)
	{
		var a=emailid.indexOf('@');
		var d=emailid.lastIndexOf('.');
		var str1=emailid.substr(0,a);
		var str2=emailid.substr(a+1,d-a-1);
		var str3=emailid.substr(d+1,l);
		var len1=str1.length;
		var len2=str2.length;
		var len3=str3.length;
		if(a<0 )
		{
				alert ("Check for missing '@' or '.' ");
				return false;
		}
		
		else  if(d<2)
		{
				alert ("Check for missing '.' ");
				return false;
		}

		else if (a>d)
		{
				alert ("Invalid email. Please enter correct email address");
				return false;
		}				
		if (len1<=1 || len2<=1 || len3 <=1)
		{
				alert ("Invalid email. Please enter correct email address");
				return false;
		}				
}
	return true;
}
   function show_display(status)
   {
	   if(status=='show') {
		document.getElementById("anni_lebel").style.display='block';
		document.getElementById("anni_value").style.display='block';
		} else if(status=='hide') {
		document.getElementById("anni_lebel").style.display='none';
		document.getElementById("anni_value").style.display='none';
		}
   }
   
//bigtv-form validation
function form_bigtv(frm_name) {
	if(frm_name.customers_firstname.value=='') {
			alert("Please enter firstname");
			frm_name.customers_firstname.focus();
			return false;
		}
	if(frm_name.customers_lastname.value=='') {
			alert("Please enter lastname");
			frm_name.customers_lastname.focus();
			return false;
		}
	if(frm_name.customers_email_address.value=='') {
		alert("Please enter email address");
		frm_name.customers_email_address.focus();
		return false;
	}
	if(frm_name.customers_email_address.value!='' && isValidEmail(frm_name.customers_email_address.value)==false) {		
		return false;
	}
	
	if(frm_name.mobile_number.value=='') {
		alert("Please enter mobile number");
		frm_name.mobile_number.focus();
		return false;
	}
	
	if(frm_name.mobile_number.value.length<10) {
		alert("mobile number must be ten digit");
		frm_name.mobile_number.focus();
		return false
	}
	
	return true;
  }