function validate_email( checkEmail )
    {
        if ( ( checkEmail.indexOf('@') < 0 ) || ( ( checkEmail.charAt( checkEmail.length-4 ) != '.' ) && ( checkEmail.charAt( checkEmail.length-3 ) != '.' ) ) )
		{
			return false;
		}
		return true;
    }	
    
    function validate_registration ()
	{
		var errors = "Voltooi onderstaande!\n";
		var post = true;
		
		if ( $('select#enquiry_type').val() == "" )
		{
			errors += "Soort navraag\n";
			post = false;
		}
		
		if ( $('input#name').val() == "" )
		{
			errors += "Naam\n";
			post = false;
		}
		
		if ( $('input#surname').val() == "" )
		{
			errors += "Van\n";
			post = false;
		}
		
		if ( $('input#email').val() == "" )
		{
			errors += "Epos adres\n";
			post = false;
		}
        
        if ( $("input#email").val().length > 0 )
        {
            if ( validate_email( $("input#email").val() ) == false )
            {
                errors += "{INVALID_EMAIL}\n";
                sendme = false;
            }
        }    
		
		if ( $('input#tel').val() == "" )
		{
			errors += "Telefoonnommer\n";
			post = false;
		}
		
		if ( $('textarea#message').val() == "" )
		{
			errors += "Boodskap\n";
			post = false;
		}
		
		if ( post == false ) alert ( errors );
		return post;
	}
	
	$(document).ready ( function () {
    
		$('input#filter_submit').click( function () {
				if ( validate_registration() == false )
				{
					return false;
				}
				else
				{
					$('input#filter_submit').submit();
				}
			});

		});