/* Softland Technology project: www.sltuk.com : validate.js



Module: 

Author: Mehrdad Vosoughi

Date: 1 April 2004

Version: 1.0

Class Dependencies:

Required parameter: first name, last name, company, address, city,                                   post code, phone number, e-mail, how did you hear, method

optional requirement: fax number, message

Links to: contact_form.html



Description: All the function that will be called from form

			 

			 

-------------------------------------------------------------------------------------

Modifications

-------------------------------------------------------------------------------------

Version			Date			Author				Change



1.0				30/3/2004		Mehrdad Vosoughi	Creation

1.1				29/7/2004		Mohammad Assadi		added password confirmation check



------------------------------------------------------------------------------------*/





/* Function to check the e-mail is valid */

function isEmailAddr(email)

{

  var result = false;

  var theStr = new String(email);

  var index = theStr.indexOf("@");

  if (index > 0)

  {

    var pindex = theStr.indexOf(".",index);

    if ((pindex > index+1) && (theStr.length > pindex+1))

	result = true;

  }

  return result;

}



function validRequired(formField,fieldLabel)

{

	var result = true;

	

	if (formField.value == "")

	{

		alert('Please enter a value for the "' + fieldLabel +'" field.');

		formField.focus();

		result = false;

	}

	

	return result;

}



function allDigits(str)

{

	return inValidCharSet(str," 0123456789");

}



function inValidCharSet(str,charset)

{

	var result = true;



	// Note: doesn't use regular expressions to avoid early Mac browser bugs	

	for (var i=0;i<str.length;i++)

		if (charset.indexOf(str.substr(i,1))<0)

		{

			result = false;

			break;

		}

	

	return result;

}



function validEmail(formField,fieldLabel,required)

{

	var result = true;

	

	if (required && !validRequired(formField,fieldLabel))

		result = false;



	if (result && ((formField.value.length < 3) || !isEmailAddr(formField.value)) )

	{

		alert("Please enter a complete email address in the form: yourname@yourdomain.com");

		formField.focus();

		result = false;

	}

   

  return result;



}



function validNum(formField,fieldLabel,required)

{

	var result = true;



	if (required && !validRequired(formField,fieldLabel))

		result = false;

  

 	if (result)

 	{

 		if (!allDigits(formField.value))

 		{

 			alert('Please enter a number for the "' + fieldLabel +'" field.');

			formField.focus();		

			result = false;

		}

	} 

	

	return result;

}





function validInt(formField,fieldLabel,required)

{

	var result = true;



	if (required && !validRequired(formField,fieldLabel))

		result = false;

  

 	if (result)

 	{

 		var num = parseInt(formField.value,10);

 		if (isNaN(num))

 		{

 			alert('Please enter a number for the "' + fieldLabel +'" field.');

			formField.focus();		

			result = false;

		}

	} 

	

	return result;

}





/* CHecks the fax number is numeric*/

function validtel(formField, fieldLabel)

{

	var result = true;

	if (result)

 	{

 		if (!allDigits(formField.value))

 		{

 			alert('Please enter a number for the "' + fieldLabel +'" field.');

			formField.focus();		

			result = false;

		}

	} 

	

	return result;

}



/*checks the two passwords to see if they correspond*/

function compPass() {



var doc = document.form1;

var pass1 = doc['password'].value; 

var pass2 = doc['passconfirm'].value; 



if (pass1 == pass2) { 

} else { 

alert ("The passwords entered do not match!"); 

doc['password'].value = "";

doc['passconfirm'].value="";

doc['password'].focus();

} 

} 



/*validate postcode*/

function postit(){ //check postcode format is valid

	var result =true;

 test = document.form1.postcode.value; size = test.length

 test = test.toUpperCase(); //Change to uppercase

 while (test.slice(0,1) == " ") //Strip leading spaces

  {test = test.substr(1,size-1);size = test.length

  }

 while(test.slice(size-1,size)== " ") //Strip trailing spaces

  {test = test.substr(0,size-1);size = test.length

  }

 document.form1.postcode.value = test; //write back to form field

 if (size < 3 || size > 8){ //Code length rule

  alert(test + " is not a valid postcode - wrong length");

  document.form1.postcode.focus();

  var result = false;

  }

 if (!(isNaN(test.charAt(0)))){ //leftmost character must be alpha character rule

   alert(test + " is not a valid postcode - cannot start with a number");

   document.form1.postcode.focus();

  var result = false;

}

return result;

}

//  End -->







function validateForm(theForm)

{

	// calls the form from Step 1

	if (!validRequired(theForm.name,"Name"))

		return false;

	if (!validRequired(theForm.surname,"Surname"))

		return false;

	if (!validRequired(theForm.company,"Company"))

		return false;

	if (!validRequired(theForm.address1,"Address"))

		return false;

	if (!validRequired(theForm.city,"City"))

		return false;

	if (!validRequired(theForm.postcode,"Postcode"))

		return false;

	if (!validRequired(theForm.tel_prefix,"Telephone"))

		return false;

	if (!validtel(theForm.tel_prefix,"Telephone"))

		return false;

	if (!validRequired(theForm.telephone,"Telephone"))

		return false;

	if (!validtel(theForm.telephone,"Telephone"))

		return false;

	if (!validRequired(theForm.email,"E-mail"))

		return false;

	if (!validEmail(theForm.email,"E-Mail",true))

		return false;

	if(!validtel(theForm.mobile,"Mobile"))

		return false;

	if (!validtel(theForm.fax_prefix,"Fax"))

		return false;

	if (!validtel(theForm.fax,"Fax"))

		return false;

	// <--------- End

	

	return true;

}



function validateForm2(theForm)

{

	if (!validRequired(theForm.title,"Title"))

		return false;

	if (!validRequired(theForm.name,"Name"))

		return false;

	if (!validRequired(theForm.surname,"Surname"))

		return false;

	if (!validRequired(theForm.company,"Company"))

		return false;

	if (!validRequired(theForm.address1,"Address"))

		return false;

	if (!validRequired(theForm.city,"City"))

		return false;

	if (!validRequired(theForm.postcode,"Postcode"))

		return false;

	if (!validRequired(theForm.tel_prefix,"Telephone"))

		return false;

	if (!validtel(theForm.tel_prefix,"Telephone"))

		return false;

	if (!validRequired(theForm.telephone,"Telephone"))

		return false;

	if (!validtel(theForm.telephone,"Telephone"))

		return false;

	if(!validtel(theForm.mobile,"Mobile"))

		return false;

	if (!validtel(theForm.fax_prefix,"Fax"))

		return false;

	if (!validtel(theForm.fax,"Fax"))

		return false;

	if (!validRequired(theForm.email,"E-mail"))

		return false;

	if (!validRequired(theForm.password,"Password"))

		return false;

	if (!validRequired(theForm.passconfirm,"Password Confirm"))

		return false;

	if (!validEmail(theForm.email,"E-Mail",true))

		return false;

			

	return true;

}