//EMAIL VALIDATION (USED IN FORM VALIDATION)
function isValidEmail(str) {
	//returns true if email is valid, false if it's not
	return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	}

//CONTACT FORM VALIDATION
//implement in <form> tag:
//onSubmit="return validateForm(this)" 

  function validateContactForm(form) {
  	   if (form.fname.value == "") {
		alert('Please enter your first name.');
   		return false 
   	
  	  	}
  	  	
  	 else if (form.lname.value == "") {
  		alert('Please enter your last name.'); 
	 	return false 
	 	} 
	 	
	 else if (!isValidEmail(form.email.value)) {
	 	alert('Please enter a valid e-mail address.');
	 	return false 
	 	}	
	 	
	 	//check logic of selected fields
	 	else if (form.addr.value == "" && form.contactviamail.checked)  {
	 		alert('Please enter your postal address or select a different method of contact.');
	 		return false			
	 		}
	 		
	 	else if (form.dayPhone.value == "" && form.contactviaphone.checked){
	 	
	 			if(form.evePhone.value == "") {
	 				alert('Please enter your phone number or select a different method of contact.');
	 				return false
	 				}
	 			}
	 	
	 	else if (form.email.value == "" && form.contactviaemail.value == "Yes") {
	 		alert('Please enter your e-mail address or select a different method of contact.');
	 		return false
	 		}
	  	
	  	//then proceed.
	  	else {
	 	return true
	 	}
  	
  	  }






//NEW DEV FORM VALIDATION
//implement in <form> tag:
//onSubmit="return validateForm(this)" 

  function validateDevForm(form) {
  	   if (form.fname.value == "") {
		alert('Please enter your first name.');
   		return false 
   	
  	  	}
  	  	
  	 else if (form.lname.value == "") {
  		alert('Please enter your last name.'); 
	 	return false 
	 	} 
	 	
	 else if (!isValidEmail(form.email.value)) {
	 	alert('Please enter a valid e-mail address.');
	 	return false 
	 	}	
	 	

	  	//then proceed.
	  	else {
	 	return true
	 	}
  	
  	  }