function check_email(adresa)
	{
		re = /^[^.]+(\.[^.]+)*@([^.]+[.])+[a-z]{2,4}$/;
		return adresa.search(re) == 0;
	}
    
    
    document.write('<style>');
	document.write('#div-newsletter-form {width: 270px; padding: 5px 0px 5px 0px; color: #293036; font-family: Arial, Helvetica, sans-serif; font-size: 12px; }');
	document.write('#div-newsletter-form input.newsletter-form-e {display: block; height: 15px; float: left; width: 137px; border: 1px solid #ddddd7; padding: 5px 5px 5px 5px; color: #293036; margin: 0; font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 13px; }');
	document.write('#div-newsletter-form input.newsletter-form-button {cursor: pointer; height: 27px; display: block; float: left; width: 120px; background: #709328; color: white; padding: 5px 5px 5px 5px; margin: 0; border: 0px; text-align: center;  font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 13px; font-weight: bold;}');
	document.write('#div-newsletter-form .newsletter-form-loader {display: none;}');
	document.write('#div-newsletter-form.loading .newsletter-form-loader {display: block;}');
	document.write('#div-newsletter-form.loading #newsletter-form {display: none;}');
	document.write('</style>');
	document.write('<div id="div-newsletter-form"></div>');
    
    var newsletter_form = ''; 
    	
    newsletter_form += '<div>';
    newsletter_form += '	<form id="newsletter-form" action="http://www.itstudio.sk/blogger/dobre-jedlo/newsletter.php">';
    newsletter_form += '		<input class="newsletter-form-e" type="text" name="e" id="e" placeholder="Váš email" />';
    newsletter_form += '		<input class="newsletter-form-button" type="submit" value="Odoberať novinky" />';
    newsletter_form += '		<div style="clear: both;" ></div>';
    newsletter_form += '	</form>';
    newsletter_form += '	<img class="newsletter-form-loader" src="http://www.itstudio.sk/blogger/dobre-jedlo/ajax-loader.gif" />';
    newsletter_form += '</div>';
    
    $('#div-newsletter-form').html(newsletter_form);
    
    $( "#newsletter-form" ).submit(function( event ) {
    	if ($('#e').val() == "") {
			$('#e').focus(); 
			alert("Napíšte emailovú adresu");
            event.preventDefault();
			return false;
		}
		if ($('#e').val() != "") {
			if (!check_email($('#e').val())) {
				alert("Zadali ste nesprávnu emailovú adresu");
                event.preventDefault();
				return false;
			}
		}
        var params = {
                do : 'send',
                e : $('#e').val()
            }
        $('#div-newsletter-form').addClass('loading');   
        
        /* 
        $.ajax({
            url : "http://www.itstudio.sk/blogger/dobre-jedlo/newsletter.php",
            type : "POST",
            data : params
        }).done(function(response) {
            $('#div-newsletter-form').html('<strong style="color: #940F04">Ďakujeme za Váš odber noviniek ;)</strong>');
            $('#div-newsletter-form').removeClass('loading');
        }).fail(function(response) {
            $('#div-newsletter-form').html('<strong style="color: #940F04">Ďakujeme za Váš odber noviniek ;)</strong>');
            $('#div-newsletter-form').removeClass('loading');
        });
    	*/
        
        $.ajax({
            url : "http://www.itstudio.sk/blogger/dobre-jedlo/newsletter.php",
            type : "GET",
            data : params,
            dataType: "jsonp",
            success: function(json) {
                $('#div-newsletter-form').html('<strong style="color: #940F04">Ďakujeme za Váš odber noviniek ;)</strong>');
            	$('#div-newsletter-form').removeClass('loading');
            },
            error: function(jqXHR, textStatus, errorThrown) {
                //$('#div-newsletter-form').html('<strong style="color: #940F04">Ďakujeme za Váš odber noviniek ;)</strong>');
            	$('#div-newsletter-form').removeClass('loading');
            }
        });
        
        // doriesit remote psoap
        
        event.preventDefault();
    });