function checkForm()
{
	with(window.document.CheckValidate)
	{	
			
		
		if(trim(fname.value)=="")
		{
			alert ("Please Enter  First Name ");
			fname.focus();
			return false;
		}
		else if(!(CheckAlphabet(fname.value)))
		{
			alert ("Please Enter a Valid First Name  (eg.  A-Z,a-z).");
			fname.focus();
			return false;
		}
		else
		{
			fname.value=trim(fname.value);
		}



		
  if(trim(lname.value)=="")
		{
			alert ("Please Enter  Last Name ");
			lname.focus();
			return false;
		}
		else if(!(CheckAlphabet(lname.value)))
		{
			alert ("Please Enter a Valid  Last Name  (eg.  A-Z,a-z).");
			lname.focus();
			return false;
		}
		else
		{
			lname.value=trim(lname.value);
		}





if(trim(address.value)=="")
		{
			alert ("Please Enter  Address");
			address.focus();
			return false;
		}
	
		else
		{
			address.value=trim(address.value);
		}


		
		
		
		

if(trim(city.value)=="")
		{
			alert ("Please Enter City ");
			city.focus();
			return false;
		}
		else if(!(CheckAlphabet(city.value)))
		{
			alert ("Please Enter a Valid City  (eg.  A-Z,a-z).");
			city.focus();
			return false;
		}
		else
		{
			city.value=trim(city.value);
		}




if(trim(state.value)=="")
		{
			alert ("Please Enter State ");
			state.focus();
			return false;
		}
		else if(!(CheckAlphabet(state.value)))
		{
			alert ("Please Enter a Valid State  (eg.  A-Z,a-z).");
			state.focus();
			return false;
		}
		else
		{
			state.value=trim(state.value);
		}
		



if(trim(zip.value)=="")
		{
			alert ("Please Enter Zip Code ");
			zip.focus();
			return false;
		}
		else if(!(CheckDigits(zip.value)))
		{
			alert ("Please Enter a Valid Zip Code  (eg.  0-9).");
			zip.focus();
			return false;
		}
		else
		{
			zip.value=trim(zip.value);
		}



     if(trim(email.value)=="")
		{
			alert ("Please Enter email address ");
			email.focus();
			return false;
		}
		else if(!(isValidMail(email.value)))
		{
			alert ("Please Enter a Valid email  ");
			email.focus();
			return false;
		}
		else
		{
			state.value=trim(state.value);
		}



if(trim(name_card.value)=="")
		{
			alert ("Please Enter Name as it appears on card ");
			name_card.focus();
			return false;
		}
		else if(!(CheckAlphabet(name_card.value)))
		{
			alert ("Please Enter a Valid Name  (eg.  A-Z,a-z).");
			name_card.focus();
			return false;
		}
		else
		{
			name_card.value=trim(name_card.value);
		}
		



if(trim(card_number.value)=="")
		{
			alert ("Please Enter card Number ");
			card_number.focus();
			return false;
		}
		else if(!(CheckDigits(card_number.value)))
		{
			alert ("Please Enter a Valid Card Number  (eg.  0-9).");
			card_number.focus();
			return false;
		}
		else
		{
			card_number.value=trim(card_number.value);
		}
	
if(document.CheckValidate.checkc.checked == false)
	{
		alert("You must agree to the terms of service");
		return false;
	}

}
return true;
}





function trim(s) {
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  return s;
}



function CheckDigits(TheNumber) {
var valid = 1
var GoodChars = "0123456789-+() "
var i = 0
if (TheNumber=="") {
// Return false if number is empty
valid = 0
}
for (i =0; i <= TheNumber.length -1; i++) {
if (GoodChars.indexOf(TheNumber.charAt(i)) == -1) {
// Note: Remove the comments from the following line to see this
// for loop in action.
// alert(TheNumber.charAt(i) + " is no good.")
valid = 0
} // End if statement
} // End for loop
return valid
}



function CheckAlphabet(character) {
var valid = 1
character=character.toUpperCase();

var GoodChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ. "
var GoodChars1 = " "
var i = 0
if (character=="") {
// Return false if number is empty
valid = 0
}
for (i =0; i <= character.length -1; i++) {
if (GoodChars.indexOf(character.charAt(i)) == -1) {
// Note: Remove the comments from the following line to see this
// for loop in action.
// alert(character.charAt(i) + " is no good.")
valid = 0
} // End if statement

} // End for loop
return valid
}

function isValidMail(mail)
{	
	m=new String(mail);
	var mailLength=m.length
	var totalDOT=0
	var totalROUTE=0
	var totalSPACE=0

	// Should not beging with a '.' or '@'
	if(m.charAt(0)=='@' || m.charAt(0) == '.')
	{	return false;		}

	// 
	for(ctr=1;ctr<=mailLength;ctr++)
	{	if (m.charAt(ctr)=='@')	{	totalROUTE++;	}	
		if (m.charAt(ctr)=='.')	{	totalDOT++;	}	
		if (m.charAt(ctr)==' ') {	totalSPACE++;	}
	}

	if (totalROUTE!=1)			//Checking for Multiple @
	{	return false;		}
	if(totalDOT<1)				//Checking for Route Domain
	{	return false;		}
	if(totalSPACE>0)			//No Embeded Space
	{	return false;		}
	
	//Checking for Invalid Characters

	for(ctr=0;ctr<=mailLength;ctr++)
	{	
		if (m.charAt(ctr)=='`')	return false;	
		else if (m.charAt(ctr)=='!')	return false;	
		else if (m.charAt(ctr)==' ') 	return false;	
		else if (m.charAt(ctr)=='#')	return false;	
		else if (m.charAt(ctr)=='$')	return false;	
		else if (m.charAt(ctr)=='%')	return false;	
		else if (m.charAt(ctr)=='^')	return false;	
		else if (m.charAt(ctr)=='&')	return false;	
		else if (m.charAt(ctr)=='*')	return false;	
		else if (m.charAt(ctr)=='(')	return false;	
		else if (m.charAt(ctr)==')')	return false;	
		else if (m.charAt(ctr)=='+')	return false;	
		else if (m.charAt(ctr)=='=')	return false;	
		else if (m.charAt(ctr)=='|')	return false;	
		else if (m.charAt(ctr)=='\\')	return false;	
		else if (m.charAt(ctr)=='{')	return false;	
		else if (m.charAt(ctr)=='}')	return false;	
		else if (m.charAt(ctr)=='[')	return false;	
		else if (m.charAt(ctr)==']')	return false;	
		else if (m.charAt(ctr)==':')	return false;
		else if (m.charAt(ctr)==';')	return false;	
		else if (m.charAt(ctr)=='"')	return false;	
		else if (m.charAt(ctr)=="'")	return false;	
		else if (m.charAt(ctr)=='<')	return false;	
		else if (m.charAt(ctr)=='>')	return false;	
		else if (m.charAt(ctr)==',')	return false;	
		else if (m.charAt(ctr)=='?')	return false;	
		else if (m.charAt(ctr)=='/')	return false;	
	}
	return true;
}