// JavaScript (register form validation)

function find_amount()
{
	var form = document.shopping;
	err = "";
	/********Quantity validation********/	
		if (form.quantity.value=="" || form.quantity.value=="0" || form.quantity.value=="00" || form.quantity.value=="000"){
		err = err+"\n" ;
		err = err +  "Please Enter Quantity" ;
		alert(err);
		}
		else if (form.quantity.value !=""){
			
		s = form.quantity.value ;
		var t ;
		t = 0 ;
				
		for(i=0 ; i<s.length ; i++)
		{
			var c = s.charAt(i);
			if((c <'0' || c>'9' ))
			{	if(c == '-' || c == '+')
					t = t - 1;	
				t = t + 1 ;
			}

		}
		
			if (t > 0) 
			{
				err = err + "\n" ;
				err = err + "Please Enter a Numeric Quantity";
				alert(err);
			}	
			else
			{	form.amount.value = form.quantity.value * form.cdamount.value;
				form.usdamount.value = round(form.amount.value/41); 
				//alert(form.usdamount.value);
				/*return dollar_value;*/
				/*alert(form.amount.value);*/
			}
		}
		
}

function round(x) 
{
	return Math.round(x*100)/100;
}

function check_shopping_form()

	{
		submitregistration();
		if( err=="")
		{
		return true;	 
		}
		else
		{	alert(err);
			return false;
		}		
		
	}

function submitregistration() 
{
	var form = document.shopping;
	err="";
	/********yog nidra language validation********/	
	if (form.language.value=="Select"){
		
		err = err +"\n" ;
		err = err + "Please select CD Language" ;
		}	
	/********Quantity validation********/	
		if (form.quantity.value=="" || form.quantity.value=="0" || form.quantity.value=="00" || form.quantity.value=="000"){
		err = err+"\n" ;
		err = err +  "Please Enter Quantity" ;
		
		}
		else if (form.quantity.value !=""){
			
		s = form.quantity.value ;
		var t ;
		t = 0 ;
				
		for(i=0 ; i<s.length ; i++)
		{
			var c = s.charAt(i);
			if((c <'0' || c>'9' ))
			{	if(c == '-' || c == '+')
					t = t - 1;	
				t = t + 1 ;
			}

		}
		
			if (t > 0) 
			{
				err = err + "\n" ;
				err = err + "Please Enter a Numeric Quantity";
			}	
		}
	/********first name validation********/	
		if (form.firstname.value==""){
		err = err+"\n" ;
		err = err +  "Please Enter Your First Name" ;
		
		}
		if (form.firstname.value!=""){
		str = form.firstname.value;
		var trimmed = str.replace(/^\s+|\s+$/g, ' ') ;
		if(trimmed == " ")
		{	err = err+"\n" ;
			err = err +  "Please Enter Your First Name" ;
			form.firstname.value="";
			form.firstname.focus();
		}
		}
		/********last name validation********/	
		if (form.lastname.value==""){
		err = err +"\n" ;
		err = err + "Please Enter Your Last Name" ;
		
		}
		if (form.lastname.value!=""){
		str = form.lastname.value;
		var trimmed = str.replace(/^\s+|\s+$/g, ' ') ;
		if(trimmed == " ")
		{	err = err+"\n" ;
			err = err +  "Please Enter Your Last Name" ;
			form.lastname.value="";
			form.lastname.focus();
		}
		}
		/***********address validation************/
		if (form.address1.value==""){
		
		err = err +"\n" ;
		err = err + "Please Enter Your Address" ;
		}
		if (form.address1.value !=""){
		add1 = form.address1.value ;
		var trimmed = add1.replace(/^\s+|\s+$/g, ' ') ;
		if(trimmed == " ")
			{	err = err+"\n" ;
				err = err +  "Please Enter Your Address" ;
				form.address1.value="";
				form.address1.focus();
			}	
		else
			{
			var a1 ;
			a1 = 0 ;
			for(i=0 ; i<add1.length ; i++)
				{	
					var c1 = add1.charAt(i);
					if((c1 == '\"' || c1 == '\''))
						{
							a1 = a1 + 1 ;
						}
		
				}
			
			if (a1 > 0) 
				{
					err = err + "\n" ;
					err = err + "Make sure address doesn't contain \' or\" ";
				}	
			}
		}
		if (form.address2.value !=""){
			
		add2 = form.address2.value ;
		var trimmed = add2.replace(/^\s+|\s+$/g, ' ') ;
		if(trimmed == " ")
			{	err = err+"\n" ;
				err = err +  "Please Enter Your	Correct Address2" ;
				form.address2.value = "";
				form.address2.focus();
				
			}	
		else
			{
			var a2 ;
			a2 = 0 ;
			for(i=0 ; i<add2.length ; i++)
				{
					var c2 = add2.charAt(i);
					if((c2 == '\"' || c2 == '\''))
					{
						a2 = a2 + 1 ;
					}
		
				}
			
			if (a2 > 0) 
				{
					err = err + "\n" ;
					err = err + "Make sure address2 doesn't contain \' or\" ";
				}	
			}
		}
		/********city validation********/	
		/*if (form.city.value==""){
		
		err = err +"\n" ;
		err = err + "Please Enter Your City" ;
		}*/
		/***********state validation**********/
		/*if (form.country.value=="IND")
		{
			if (form.state.value=="Select" ){
			err = err+"\n";
			err = err+"Please select your state";
			}
		}
		if (form.country.value=="USA")
		{
			if (form.state_us.value == "Select"){ 
			err = err+"\n";
			err = err+"Please select your state";
			}
		}
		if (form.country.value=="GBR")
		{
			if (form.state_uk.value == "Select"){ 
			err = err+"\n";
			err = err+"Please select your state";
			}
		}
		if (form.country.value=="CAN")
		{
			if (form.state_canada.value == "Select"){ 
			err = err+"\n";
			err = err+"Please select your state";
			}
		}
		if (form.country.value!="IND" && form.country.value!="USA" && form.country.value!="GBR" && form.country.value!="CAN")
		{*/	
			if (form.state.value == ""){ 
			err = err+"\n";
			err = err+"Please Enter Your State";
			}
			if (form.state.value!=""){
			str = form.state.value;
			var trimmed = str.replace(/^\s+|\s+$/g, ' ') ;
			if(trimmed == " ")
				{	err = err+"\n" ;
					err = err +  "Please Enter Your State" ;
					form.state_other.value="";
					form.state_other.focus();
				}
			}
		/*}*/
		/********zip code validation********/	
		 if (form.zip.value==""){
		 
		 err = err +"\n" ;
		 err = err + "Please Enter Your Zip/Pin Code" ;
		}
		if (form.zip.value!=""){
		str = form.zip.value;
		var trimmed = str.replace(/^\s+|\s+$/g, ' ') ;
		if(trimmed == " ")
		{	err = err+"\n" ;
			err = err +  "Please Enter Your Zip/Pin Code" ;
			form.zip.value="";
			form.zip.focus();
		}
		}
		/********country validation********/					
		if (form.country.value=="Select"){
		
		err = err +"\n" ;
		err = err + "Please select your Country" ;
		}
		/********phone no. validation********/	
		if(form.phone.value==""){
		err = err +"\n" ;
		err = err + "Please Enter your Phone Number" ;
		}
		else if (form.phone.value !=""){
			
		s = form.phone.value ;
		var t ;
		t = 0 ;
				
		for(i=0 ; i<s.length ; i++)
		{
			var c = s.charAt(i);
			if((c <'0' || c>'9' ))
			{	if(c == '-' || c == '+')
					t = t - 1;	
				t = t + 1 ;
			}

		}
		
			if (t > 0) 
			{
				err = err + "\n" ;
				err = err + "Please Enter a Numeric Phone Number";
			}	
		}
	/********terms and conditions validation********/	   	
	if(form.terms.checked ==false)
	{
	err = err +"\n" ;
	err = err + "Please Agree To The Terms Of Service By Selecting The Checkbox" ;
	}
	/********email validation********/	
		 if (form.email.value == "") {

		err = err +"\n" ;
		err = err+ "Please Enter Email Address" ;
	   
	  
		}else{
		emailStr=form.email.value;
		var checkTLD=1;
		var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
		var emailPat=/^(.+)@(.+)$/;
		var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
		var validChars="\[^\\s" + specialChars + "\]";
		var quotedUser="(\"[^\"]*\")";
		var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
		var atom=validChars + '+';
		var word="(" + atom + "|" + quotedUser + ")";
		var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
		var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
		var matchArray=emailStr.match(emailPat);

		if (matchArray==null) {
			err=err+"\n";
			err=err+"Email address seems incorrect (check @ and .'s)";
			return false;
		}
		var user=matchArray[1];
		var domain=matchArray[2];

		for (i=0; i<user.length; i++) {
			if (user.charCodeAt(i)>127) {
				err=err+"\n";
				err=err+"Ths email name contains invalid characters";
				return false;
			   }
			}
		for (i=0; i<domain.length; i++) {
				if (domain.charCodeAt(i)>127) {
					err=err+"\n";
					err=err+"This domain name of email contains invalid characters.";
					return false;
			   }
			}
		
		if (user.match(userPat)==null) {
			err=err+"\n";
			err=err+"The email name doesn't seem to be valid";
			return false;
		}
		
		var IPArray=domain.match(ipDomainPat);
		if (IPArray!=null) {
		
			// this is an IP address
			
			for (var i=1;i<=4;i++) {
				if (IPArray[i]>255) {
					err=err+"\n";
					err=err+"Destination IP address of this email is invalid!";
					return false;
				   }
			}
			//return true;
		}

		var atomPat=new RegExp("^" + atom + "$");
		var domArr=domain.split(".");
		var len=domArr.length;
		for (i=0;i<len;i++) {
			if (domArr[i].search(atomPat)==-1) {
				err=err+"\n";
				err=err+"The domain name of this email does not seem to be valid.";
				return false;
			   }
		}
		if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) 
		{	err=err+"\n";
			err=err+"The email address must end in a well-known domain or two letter " + "country.";
			return false;
		}
		
		if (len<2) {
			
			err=err+"\n";
			err=err+"This email address is missing a hostname!";
			return false;
		}


		}
	
	if(err !="")
	{return false;}else
	{return true;}	
}