/*
Author:Bruno Lenette (info@jean-bruno.com)
Date:07/02/08javascriptFunctions.js
Purpose:Javascript validation
*/



////////////////////////////////////////////////////////////////////////////////////////////////////
// Function to validate email
////////////////////////////////////////////////////////////////////////////////////////////////////	
function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail Address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail Address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail Address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail Address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }

 		 return true					
	}

/*
Function to contact us page
*/

function validateContactForm()
{
	name = '';
	email = '';
	comments = '';
	tel = '';
	
		
	name = document.contactForm.name.value;
	tel = document.contactForm.tel.value;
	email = document.contactForm.email.value;
	message = document.contactForm.comments.value;
	
	
	
	if (name == '')
	{
		alert ('Please provide a name');
		document.contactForm.name.focus();
		return false;
	}
	
	if (email == '')
	{
		alert ('Please provide an email address');
		document.contactForm.email.focus();
		return false;
	}
		

	if (echeck(email)==false)
	{
			document.contactForm.email.focus();
			return false
	}
	
	if (message == '')
	{
		alert ('Please provide a message');
		document.contactForm.comments.focus();
		return false;
	}
}