function validateFields()
{
	if ( document.getElementById("name").value == "" )
	{
		alert("Please enter your name!");
		document.getElementById("name").focus();
		return(false);
	}
	if ( document.getElementById("email").value == "" )
	{
		alert("Please enter your email!");
		document.getElementById("email").focus();
		return(false);
	}
	var email = document.getElementById("email");
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email.value)) 
	{
		alert("Please provide a valid email address");
		email.focus();
		return (false);
	}
	if ( document.getElementById("orgname").value == "" )
	{
		alert("Please enter the name of your Organisation!");
		document.getElementById("orgname").focus();
		return(false);
	}
	if ( document.getElementById("orgadd").value == "" )
	{
		alert("Please enter your Organisation's address!");
		document.getElementById("orgadd").focus();
		return(false);
	}
	return(true);	
}